{"id":2306,"date":"2026-09-08T23:38:52","date_gmt":"2026-09-08T14:38:52","guid":{"rendered":"https:\/\/steelcrucian.com\/?p=2306"},"modified":"2026-09-09T13:47:00","modified_gmt":"2026-09-09T04:47:00","slug":"snells-law-guide","status":"publish","type":"post","link":"https:\/\/steelcrucian.com\/snells-law-guide\/","title":{"rendered":"\ud83d\udcd0 \uc2a4\ub12c\uc758 \ubc95\uce59 \uc644\ubcbd\uc815\ub9ac \u2013 \ube5b\uc740 \uc65c \uaebe\uc77c\uae4c?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\ubb3c\ucef5\uc5d0 \ub2f4\uae34 \ube68\ub300\uac00 \uaebe\uc5ec \ubcf4\uc774\ub294 \ud604\uc0c1, \ud55c \ubc88\ucbe4 \ubcf4\uc168\uc744 \uac81\ub2c8\ub2e4. \ubb3c\uc18d\uc5d0 \uc788\ub294 \ubb3c\uccb4\uac00 \uc2e4\uc81c\ubcf4\ub2e4 \uc595\uc740 \uacf3\uc5d0 \uc788\ub294 \uac83\ucc98\ub7fc \ubcf4\uc774\uae30\ub3c4 \ud558\uc8e0.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ubaa8\ub4e0 \ud604\uc0c1\uc740 \ud558\ub098\uc758 \uc6d0\ub9ac\ub85c \uc124\uba85\ub429\ub2c8\ub2e4. <strong>\ube5b\uc774 \uc11c\ub85c \ub2e4\ub978 \ub9e4\uc9c8\uc758 \uacbd\uacc4\ub97c \uc9c0\ub0a0 \ub54c \uc9c4\ud589 \ubc29\ud5a5\uc774 \uaebe\uc774\ub294 \uac83<\/strong>, \uc989 \uad74\uc808\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uad74\uc808\uc774 \uc5bc\ub9c8\ub098 \uc77c\uc5b4\ub098\ub294\uc9c0\ub97c \uc815\ud655\ud55c \uc218\uc2dd\uc73c\ub85c \uc54c\ub824\uc8fc\ub294 \uac83\uc774 <strong>\uc2a4\ub12c\uc758 \ubc95\uce59(Snell&#8217;s Law)<\/strong> \uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc800\ub294 \uc870\uba85 \uc124\uacc4 \uc5c5\ubb34\ub97c \ud558\uba74\uc11c \uc774 \ubc95\uce59\uc744 \uac70\uc758 \ub9e4\uc77c \ub9c8\uc8fc\uce69\ub2c8\ub2e4. \ud655\uc0b0\ud310\uc744 \uc5b4\ub5a4 \uc7ac\uc9c8\ub85c \uc4f8\uc9c0, \ub3c4\uad11\ud310\uc5d0\uc11c \ube5b\uc774 \uc5b4\ub5bb\uac8c \uac07\ud788\ub294\uc9c0, \ub80c\uc988\uac00 \ube5b\uc744 \uc5b4\ub514\ub85c \ubaa8\uc73c\ub294\uc9c0 \u2014 \uc804\ubd80 \uc2a4\ub12c\uc758 \ubc95\uce59\uc5d0\uc11c \ucd9c\ubc1c\ud569\ub2c8\ub2e4. \uacf5\uc2dd \uc790\uccb4\ub294 \ud55c \uc904\uc774\uc9c0\ub9cc, \uc2e4\ubb34\uc5d0\uc11c\uc758 \ud30c\uae09\ub825\uc740 \uc0c1\ub2f9\ud788 \ud07d\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubc88 \uae00\uc5d0\uc11c\ub294 <strong>\uacf5\uc2dd\uc758 \uc758\ubbf8\ubd80\ud130 \uacc4\uc0b0 \uc608\uc81c, \uadf8\ub9ac\uace0 \uc2e4\ubb34\uc5d0\uc11c \uc65c \uc911\uc694\ud55c\uc9c0\uae4c\uc9c0<\/strong> \uadf8\ub9bc\uacfc \ud568\uaed8 \uc815\ub9ac\ud574\ub4dc\ub9ac\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1004\" src=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/snell_law_diagram-1024x1004.png\" alt=\"\" class=\"wp-image-2307\" srcset=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/snell_law_diagram-1024x1004.png 1024w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/snell_law_diagram-300x294.png 300w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/snell_law_diagram-767x752.png 767w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/snell_law_diagram-624x612.png 624w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/snell_law_diagram.png 1305w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2a4\ub12c\uc758 \ubc95\uce59 \ub3c4\ud574 \u2014 \uacf5\uae30\uc5d0\uc11c \uc720\ub9ac\ub85c \uc785\uc0ac\ud55c \ube5b\uc758 \uc785\uc0ac\uac01 30\ub3c4\uc640 \uad74\uc808\uac01 19.5\ub3c4<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_87_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\ubaa9\ucc28 \ud1a0\uae00\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/steelcrucian.com\/snells-law-guide\/#%F0%9F%94%8D_1_%EC%8A%A4%EB%84%AC%EC%9D%98_%EB%B2%95%EC%B9%99%EC%9D%B4%EB%9E%80\" >\ud83d\udd0d 1. \uc2a4\ub12c\uc758 \ubc95\uce59\uc774\ub780?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/steelcrucian.com\/snells-law-guide\/#%F0%9F%92%A1_2_%EA%B5%B4%EC%A0%88%EB%A5%A0n%EC%9D%B4%EB%9E%80_%EB%AC%B4%EC%97%87%EC%9D%B8%EA%B0%80\" >\ud83d\udca1 2. \uad74\uc808\ub960(n)\uc774\ub780 \ubb34\uc5c7\uc778\uac00?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/steelcrucian.com\/snells-law-guide\/#%F0%9F%A7%AE_3_%EA%B3%84%EC%82%B0_%EC%98%88%EC%A0%9C%EB%A1%9C_%EC%9D%B4%ED%95%B4%ED%95%98%EA%B8%B0\" >\ud83e\uddee 3. \uacc4\uc0b0 \uc608\uc81c\ub85c \uc774\ud574\ud558\uae30<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/steelcrucian.com\/snells-law-guide\/#%EC%98%88%EC%A0%9C_1_%EA%B3%B5%EA%B8%B0_%E2%86%92_%EC%9C%A0%EB%A6%AC\" >\uc608\uc81c 1) \uacf5\uae30 \u2192 \uc720\ub9ac<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/steelcrucian.com\/snells-law-guide\/#%EC%98%88%EC%A0%9C_2_%EA%B3%B5%EA%B8%B0_%E2%86%92_%EB%AC%BC\" >\uc608\uc81c 2) \uacf5\uae30 \u2192 \ubb3c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/steelcrucian.com\/snells-law-guide\/#%EC%98%88%EC%A0%9C_3_%EC%9C%A0%EB%A6%AC_%E2%86%92_%EA%B3%B5%EA%B8%B0_%EB%B0%A9%ED%96%A5%EC%9D%84_%EB%B0%98%EB%8C%80%EB%A1%9C\" >\uc608\uc81c 3) \uc720\ub9ac \u2192 \uacf5\uae30 (\ubc29\ud5a5\uc744 \ubc18\ub300\ub85c)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/steelcrucian.com\/snells-law-guide\/#%E2%9A%A0%EF%B8%8F_4_%EC%9E%84%EA%B3%84%EA%B0%81%EA%B3%BC_%EC%A0%84%EB%B0%98%EC%82%AC_%E2%80%94_%EC%8A%A4%EB%84%AC%EC%9D%98_%EB%B2%95%EC%B9%99%EC%9D%B4_%EA%B9%A8%EC%A7%80%EB%8A%94_%EC%88%9C%EA%B0%84\" >\u26a0\ufe0f 4. \uc784\uacc4\uac01\uacfc \uc804\ubc18\uc0ac \u2014 \uc2a4\ub12c\uc758 \ubc95\uce59\uc774 \uae68\uc9c0\ub294 \uc21c\uac04<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/steelcrucian.com\/snells-law-guide\/#%F0%9F%94%A7_5_%EC%8B%A4%EB%AC%B4%EC%97%90%EC%84%9C_%EC%8A%A4%EB%84%AC%EC%9D%98_%EB%B2%95%EC%B9%99%EC%9D%B4_%EC%93%B0%EC%9D%B4%EB%8A%94_%EA%B3%B3\" >\ud83d\udd27 5. \uc2e4\ubb34\uc5d0\uc11c \uc2a4\ub12c\uc758 \ubc95\uce59\uc774 \uc4f0\uc774\ub294 \uacf3<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/steelcrucian.com\/snells-law-guide\/#%E2%91%A0_%EB%8F%84%EA%B4%91%ED%8C%90LGP_%E2%80%94_%EC%A0%84%EB%B0%98%EC%82%AC%EB%A1%9C_%EB%B9%9B%EC%9D%84_%EA%B0%80%EB%91%94%EB%8B%A4\" >\u2460 \ub3c4\uad11\ud310(LGP) \u2014 \uc804\ubc18\uc0ac\ub85c \ube5b\uc744 \uac00\ub454\ub2e4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/steelcrucian.com\/snells-law-guide\/#%E2%91%A1_%ED%99%95%EC%82%B0%ED%8C%90_%EC%9E%AC%EC%A7%88_%EC%84%A0%EC%A0%95\" >\u2461 \ud655\uc0b0\ud310 \uc7ac\uc9c8 \uc120\uc815<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/steelcrucian.com\/snells-law-guide\/#%E2%91%A2_%EB%A0%8C%EC%A6%88_%EC%84%A4%EA%B3%84\" >\u2462 \ub80c\uc988 \uc124\uacc4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/steelcrucian.com\/snells-law-guide\/#%E2%91%A3_%EA%B4%91%EC%84%AC%EC%9C%A0\" >\u2463 \uad11\uc12c\uc720<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/steelcrucian.com\/snells-law-guide\/#%E2%9D%93_6_%EC%9E%90%EC%A3%BC_%EB%AC%BB%EB%8A%94_%EC%A7%88%EB%AC%B8\" >\u2753 6. \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/steelcrucian.com\/snells-law-guide\/#%F0%9F%A7%AD_7_%ED%95%B5%EC%8B%AC_%EC%9A%94%EC%95%BD\" >\ud83e\udded 7. \ud575\uc2ec \uc694\uc57d<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%94%8D_1_%EC%8A%A4%EB%84%AC%EC%9D%98_%EB%B2%95%EC%B9%99%EC%9D%B4%EB%9E%80\"><\/span>\ud83d\udd0d 1. \uc2a4\ub12c\uc758 \ubc95\uce59\uc774\ub780?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2a4\ub12c\uc758 \ubc95\uce59\uc740 \ube5b\uc774 \ub9e4\uc9c8\uc758 \uacbd\uacc4\ub97c \uc9c0\ub0a0 \ub54c, <strong>\uc785\uc0ac\uac01\uacfc \uad74\uc808\uac01\uc758 \uad00\uacc4\ub97c \uad74\uc808\ub960\ub85c \uc5f0\uacb0\ud55c \uc2dd<\/strong>\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<div style=\"background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:24px;text-align:center;margin:20px 0;\">\n  <strong style=\"font-size:1.35em;color:#0f172a;\">n\u2081 \u00b7 sin \u03b8\u2081 = n\u2082 \u00b7 sin \u03b8\u2082<\/strong><br><br>\n  <span style=\"color:#64748b;font-size:0.95em;\">\n    n\u2081, n\u2082 = \uac01 \ub9e4\uc9c8\uc758 \uad74\uc808\ub960 &nbsp;\u00b7&nbsp; \u03b8\u2081 = \uc785\uc0ac\uac01 &nbsp;\u00b7&nbsp; \u03b8\u2082 = \uad74\uc808\uac01<br>\n    \u203b \uac01\ub3c4\ub294 \uacbd\uacc4\uba74\uc774 \uc544\ub2c8\ub77c <strong>\ubc95\uc120(\uacbd\uacc4\uba74\uc5d0 \uc218\uc9c1\uc778 \uc120)<\/strong> \uae30\uc900\uc73c\ub85c \uce21\uc815\ud569\ub2c8\ub2e4\n  <\/span>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c \ucd08\ubcf4\uc790\uac00 \uac00\uc7a5 \ub9ce\uc774 \ud2c0\ub9ac\ub294 \ubd80\ubd84\uc774 <strong>\uac01\ub3c4\uc758 \uae30\uc900<\/strong>\uc785\ub2c8\ub2e4. \uc785\uc0ac\uac01\uacfc \uad74\uc808\uac01\uc740 \uacbd\uacc4\uba74\uc5d0\uc11c \uc7b0 \uac01\ub3c4\uac00 \uc544\ub2c8\ub77c, <strong>\uacbd\uacc4\uba74\uc5d0 \uc218\uc9c1\uc778 \ubc95\uc120\uc5d0\uc11c \uc7b0 \uac01\ub3c4<\/strong>\uc785\ub2c8\ub2e4. \uc704 \uadf8\ub9bc\uc758 \ud68c\uc0c9 \uc810\uc120\uc774 \ubc95\uc120\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc95\uc120\uc744 \uae30\uc900\uc73c\ub85c \uc7a1\uc73c\uba74 \uaddc\uce59\uc774 \ub2e8\uc21c\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uad74\uc808\ub960\uc774 \ub0ae\uc740 \uacf3 \u2192 \ub192\uc740 \uacf3<\/strong>\uc73c\ub85c \uac08 \ub54c: \ube5b\uc774 <strong>\ubc95\uc120 \ucabd\uc73c\ub85c<\/strong> \uaebe\uc785\ub2c8\ub2e4 (\uad74\uc808\uac01\uc774 \uc791\uc544\uc9d0)<\/li>\n\n\n\n<li><strong>\uad74\uc808\ub960\uc774 \ub192\uc740 \uacf3 \u2192 \ub0ae\uc740 \uacf3<\/strong>\uc73c\ub85c \uac08 \ub54c: \ube5b\uc774 <strong>\ubc95\uc120\uc5d0\uc11c \uba40\uc5b4\uc9c0\uac8c<\/strong> \uaebe\uc785\ub2c8\ub2e4 (\uad74\uc808\uac01\uc774 \ucee4\uc9d0)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%92%A1_2_%EA%B5%B4%EC%A0%88%EB%A5%A0n%EC%9D%B4%EB%9E%80_%EB%AC%B4%EC%97%87%EC%9D%B8%EA%B0%80\"><\/span>\ud83d\udca1 2. \uad74\uc808\ub960(n)\uc774\ub780 \ubb34\uc5c7\uc778\uac00?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uad74\uc808\ub960\uc740 <strong>\uc9c4\uacf5\uc5d0\uc11c\uc758 \ube5b\uc758 \uc18d\ub3c4\ub97c \uadf8 \ub9e4\uc9c8\uc5d0\uc11c\uc758 \ube5b\uc758 \uc18d\ub3c4\ub85c \ub098\ub208 \uac12<\/strong>\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>n = c \/ v     (c = \uc9c4\uacf5\uc5d0\uc11c\uc758 \uad11\uc18d, v = \ub9e4\uc9c8\uc5d0\uc11c\uc758 \uad11\uc18d)\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ube5b\uc774 \ub9e4\uc9c8 \uc548\uc5d0\uc11c \ub290\ub824\uc9c8\uc218\ub85d \uad74\uc808\ub960\uc774 \ucee4\uc9d1\ub2c8\ub2e4. \uc9c4\uacf5\uc758 \uad74\uc808\ub960\uc774 1.0\uc778 \uc774\uc720\ub3c4 \uc5ec\uae30 \uc788\uc2b5\ub2c8\ub2e4. \uc9c4\uacf5\uc5d0\uc11c\ub294 \ube5b\uc774 \uac00\uc7a5 \ube60\ub974\ub2c8\uae4c\uc694.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/refractive_index_comparison-1024x576.png\" alt=\"\" class=\"wp-image-2337\" srcset=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/refractive_index_comparison-1024x576-1.png 1024w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/refractive_index_comparison-300x169.png 300w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/refractive_index_comparison-768x432.png 768w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/refractive_index_comparison-1536x864.png 1536w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/refractive_index_comparison.png 1692w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc7ac\uc9c8\ubcc4 \uad74\uc808\ub960 \ube44\uad50 \u2014 \uacf5\uae30 1.00, \ubb3c 1.333, PMMA 1.49, \uc720\ub9ac 1.517, PC 1.585, \ub2e4\uc774\uc544\ubaac\ub4dc 2.417<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc7ac\uc9c8<\/th><th>\uad74\uc808\ub960 (n)<\/th><th>\ube44\uace0<\/th><\/tr><\/thead><tbody><tr><td>\uc9c4\uacf5 \/ \uacf5\uae30<\/td><td>1.000<\/td><td>\uacf5\uae30\ub294 \uc815\ud655\ud788\ub294 1.0003<\/td><\/tr><tr><td>\ubb3c<\/td><td>1.333<\/td><td><\/td><\/tr><tr><td>PMMA (\uc544\ud06c\ub9b4)<\/td><td>1.490<\/td><td>\ub3c4\uad11\ud310\u00b7\ud655\uc0b0\ud310\uc5d0 \ub110\ub9ac \uc0ac\uc6a9<\/td><\/tr><tr><td>\uc720\ub9ac (BK7)<\/td><td>1.517<\/td><td>\uad11\ud559 \uc720\ub9ac \ud45c\uc900<\/td><\/tr><tr><td>PC (\ud3f4\ub9ac\uce74\ubcf4\ub124\uc774\ud2b8)<\/td><td>1.585<\/td><td>\ub0b4\ucda9\uaca9\uc131 \ud544\uc694\ud560 \ub54c<\/td><\/tr><tr><td>\ub2e4\uc774\uc544\ubaac\ub4dc<\/td><td>2.417<\/td><td>\uad74\uc808\ub960\uc774 \ub9e4\uc6b0 \ub192\uc74c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u203b \uac00\uc2dc\uad11 \uae30\uc900 \ub300\ud45c\uac12\uc785\ub2c8\ub2e4. \uad74\uc808\ub960\uc740 \ud30c\uc7a5\u00b7\uc628\ub3c4\u00b7\uc7ac\ub8cc \ub4f1\uae09\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\ubbc0\ub85c, \uc815\ubc00 \uc124\uacc4 \uc2dc\uc5d0\ub294 \uc0ac\uc6a9\ud558\uc2dc\ub294 \uc790\uc7ac\uc758 \ub370\uc774\ud130\uc2dc\ud2b8\ub97c \ud655\uc778\ud558\uc154\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<div style=\"border-left:4px solid #7c3aed;background:#f5f3ff;padding:16px 20px;border-radius:8px;margin:20px 0;\">\n<strong>\ud83d\udc8e \ub2e4\uc774\uc544\ubaac\ub4dc\uac00 \uc720\ub3c5 \ubc18\uc9dd\uc774\ub294 \uc774\uc720<\/strong><br>\n\uad74\uc808\ub960\uc774 2.417\ub85c \ub9e4\uc6b0 \ub192\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uad74\uc808\ub960\uc774 \ub192\uc744\uc218\ub85d \uc784\uacc4\uac01\uc774 \uc791\uc544\uc9c0\uace0(\ub4a4\uc5d0\uc11c \uc124\uba85), \ub0b4\ubd80\ub85c \ub4e4\uc5b4\uc628 \ube5b\uc774 \uc27d\uac8c \ube60\uc838\ub098\uac00\uc9c0 \ubabb\ud55c \ucc44 \uc5ec\ub7ec \ubc88 \ubc18\uc0ac\ub418\ub2e4\uac00 \ud2b9\uc815 \ubc29\ud5a5\uc73c\ub85c \ubab0\ub824 \ub098\uc635\ub2c8\ub2e4.\n\uadf8 \uacb0\uacfc\uac00 \uc6b0\ub9ac\uac00 \ubcf4\ub294 \uac15\ub82c\ud55c \uad11\ucc44\uc785\ub2c8\ub2e4.\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%A7%AE_3_%EA%B3%84%EC%82%B0_%EC%98%88%EC%A0%9C%EB%A1%9C_%EC%9D%B4%ED%95%B4%ED%95%98%EA%B8%B0\"><\/span>\ud83e\uddee 3. \uacc4\uc0b0 \uc608\uc81c\ub85c \uc774\ud574\ud558\uae30<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%88%EC%A0%9C_1_%EA%B3%B5%EA%B8%B0_%E2%86%92_%EC%9C%A0%EB%A6%AC\"><\/span>\uc608\uc81c 1) \uacf5\uae30 \u2192 \uc720\ub9ac<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uacf5\uae30(n\u2081 = 1.00)\uc5d0\uc11c \uc720\ub9ac(n\u2082 = 1.50)\ub85c \ube5b\uc774 <strong>30\u00b0<\/strong> \ub85c \uc785\uc0ac\ud560 \ub54c, \uad74\uc808\uac01\uc740?<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1.00 \u00d7 sin(30\u00b0) = 1.50 \u00d7 sin(\u03b8\u2082)\n1.00 \u00d7 0.5000   = 1.50 \u00d7 sin(\u03b8\u2082)\nsin(\u03b8\u2082) = 0.5000 \/ 1.50 = 0.3333\n\u03b8\u2082 = arcsin(0.3333) \u2248 19.5\u00b0\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2192 \uad74\uc808\uac01 \uc57d 19.5\u00b0.<\/strong> \uad74\uc808\ub960\uc774 \ub192\uc740 \ucabd\uc73c\ub85c \ub4e4\uc5b4\uac14\uc73c\ubbc0\ub85c \ubc95\uc120 \ucabd\uc73c\ub85c \uaebe\uc5ec \uac01\ub3c4\uac00 \uc791\uc544\uc84c\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%88%EC%A0%9C_2_%EA%B3%B5%EA%B8%B0_%E2%86%92_%EB%AC%BC\"><\/span>\uc608\uc81c 2) \uacf5\uae30 \u2192 \ubb3c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uacf5\uae30\uc5d0\uc11c \ubb3c(n\u2082 = 1.333)\ub85c <strong>45\u00b0<\/strong> \uc785\uc0ac\ud560 \ub54c\ub294?<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sin(\u03b8\u2082) = sin(45\u00b0) \/ 1.333 = 0.7071 \/ 1.333 = 0.5305\n\u03b8\u2082 \u2248 32.0\u00b0\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2192 \uad74\uc808\uac01 \uc57d 32.0\u00b0.<\/strong> \ube68\ub300\uac00 \uaebe\uc5ec \ubcf4\uc774\ub294 \uc774\uc720\uac00 \ubc14\ub85c \uc774 \uac01\ub3c4 \ucc28\uc774\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%88%EC%A0%9C_3_%EC%9C%A0%EB%A6%AC_%E2%86%92_%EA%B3%B5%EA%B8%B0_%EB%B0%A9%ED%96%A5%EC%9D%84_%EB%B0%98%EB%8C%80%EB%A1%9C\"><\/span>\uc608\uc81c 3) \uc720\ub9ac \u2192 \uacf5\uae30 (\ubc29\ud5a5\uc744 \ubc18\ub300\ub85c)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubc88\uc5d0\ub294 \uc720\ub9ac(n\u2081 = 1.50)\uc5d0\uc11c \uacf5\uae30(n\u2082 = 1.00)\ub85c <strong>30\u00b0<\/strong> \uc785\uc0ac\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1.50 \u00d7 sin(30\u00b0) = 1.00 \u00d7 sin(\u03b8\u2082)\nsin(\u03b8\u2082) = 1.50 \u00d7 0.5000 = 0.7500\n\u03b8\u2082 \u2248 48.6\u00b0\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2192 \uad74\uc808\uac01 \uc57d 48.6\u00b0.<\/strong> \uc774\ubc88\uc5d4 \uac01\ub3c4\uac00 \ucee4\uc84c\uc2b5\ub2c8\ub2e4. \uad74\uc808\ub960\uc774 \ub0ae\uc740 \ucabd\uc73c\ub85c \ub098\uac14\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub7f0\ub370 \uc5ec\uae30\uc11c \uc790\uc5f0\uc2a4\ub7ec\uc6b4 \uc9c8\ubb38\uc774 \ud558\ub098 \uc0dd\uae41\ub2c8\ub2e4. <strong>\uc785\uc0ac\uac01\uc744 \uacc4\uc18d \ud0a4\uc6b0\uba74 \uc5b4\ub5bb\uac8c \ub420\uae4c\uc694?<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%9A%A0%EF%B8%8F_4_%EC%9E%84%EA%B3%84%EA%B0%81%EA%B3%BC_%EC%A0%84%EB%B0%98%EC%82%AC_%E2%80%94_%EC%8A%A4%EB%84%AC%EC%9D%98_%EB%B2%95%EC%B9%99%EC%9D%B4_%EA%B9%A8%EC%A7%80%EB%8A%94_%EC%88%9C%EA%B0%84\"><\/span>\u26a0\ufe0f 4. \uc784\uacc4\uac01\uacfc \uc804\ubc18\uc0ac \u2014 \uc2a4\ub12c\uc758 \ubc95\uce59\uc774 \uae68\uc9c0\ub294 \uc21c\uac04<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\uc81c 3\uc5d0\uc11c \uc785\uc0ac\uac01\uc744 45\u00b0\ub85c \uc62c\ub824\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sin(\u03b8\u2082) = 1.50 \u00d7 sin(45\u00b0) = 1.50 \u00d7 0.7071 = 1.0607\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>sin \uac12\uc774 1\uc744 \ub118\uc5c8\uc2b5\ub2c8\ub2e4.<\/strong> sin \ud568\uc218\ub294 \uc808\ub300 1\uc744 \ub118\uc744 \uc218 \uc5c6\uc73c\ubbc0\ub85c, \uc774 \ubc29\uc815\uc2dd\uc5d0\ub294 <strong>\ud574\uac00 \uc5c6\uc2b5\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc218\ud559\uc801\uc73c\ub85c \ud574\uac00 \uc5c6\ub2e4\ub294 \uac74 \ubb3c\ub9ac\uc801\uc73c\ub85c \uc774\ub7f0 \ub73b\uc785\ub2c8\ub2e4. <strong>\ube5b\uc774 \ubc16\uc73c\ub85c \ub098\uac08 \uc218 \uc5c6\ub2e4.<\/strong> \uad74\uc808\uad11\uc774 \uc544\uc608 \uc0ac\ub77c\uc9c0\uace0, \uc785\uc0ac\ud55c \ube5b\uc774 \uc804\ubd80 \ub0b4\ubd80\ub85c \ubc18\uc0ac\ub429\ub2c8\ub2e4. \uc774 \ud604\uc0c1\uc744 <strong>\uc804\ubc18\uc0ac(TIR, Total Internal Reflection)<\/strong> \ub77c\uace0 \ubd80\ub985\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub9ac\uace0 \uad74\uc808\uac01\uc774 \uc815\ud655\ud788 90\u00b0\uac00 \ub418\ub294 \uc21c\uac04\uc758 \uc785\uc0ac\uac01\uc744 <strong>\uc784\uacc4\uac01(Critical Angle)<\/strong> \uc774\ub77c\uace0 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<div style=\"background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:24px;text-align:center;margin:20px 0;\">\n  <strong style=\"font-size:1.25em;color:#0f172a;\">\u03b8<sub>c<\/sub> = arcsin ( n\u2082 \/ n\u2081 )<\/strong><br><br>\n  <span style=\"color:#64748b;font-size:0.95em;\">\n    \ub2e8, n\u2081 &gt; n\u2082 \uc77c \ub54c\ub9cc \uc131\ub9bd\ud569\ub2c8\ub2e4<br>\n    (\uad74\uc808\ub960\uc774 \ub192\uc740 \ub9e4\uc9c8\uc5d0\uc11c \ub0ae\uc740 \ub9e4\uc9c8\ub85c \ub098\uac08 \ub54c\ub9cc \uc804\ubc18\uc0ac\uac00 \uc77c\uc5b4\ub0a9\ub2c8\ub2e4)\n  <\/span>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"447\" src=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/critical_angle_tir-1024x447.png\" alt=\"\" class=\"wp-image-2338\" srcset=\"https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/critical_angle_tir-1024x447.png 1024w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/critical_angle_tir-300x131.png 300w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/critical_angle_tir-768x335.png 768w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/critical_angle_tir-1536x670.png 1536w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/critical_angle_tir-2048x894.png 2048w, https:\/\/steelcrucian.com\/wp-content\/uploads\/2026\/09\/critical_angle_tir-1022x446.png 1022w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc784\uacc4\uac01 \uc804\ud6c4\uc758 \ube5b\uc758 \uac70\ub3d9 \u2014 \uc784\uacc4\uac01\ubcf4\ub2e4 \uc791\uc744 \ub54c, \uac19\uc744 \ub54c, \ud074 \ub54c\uc758 \uc138 \uac00\uc9c0 \uacbd\uc6b0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc138 \uac00\uc9c0 \uacbd\uc6b0\ub97c \uc815\ub9ac\ud558\uba74 \uc774\ub807\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc785\uc0ac\uac01 &lt; \uc784\uacc4\uac01<\/strong> \u2192 \ub300\ubd80\ubd84\uc758 \ube5b\uc774 \ubc16\uc73c\ub85c \ube60\uc838\ub098\uac11\ub2c8\ub2e4 (\uc57d\ud55c \ubc18\uc0ac\uad11\uc740 \ud56d\uc0c1 \uc874\uc7ac)<\/li>\n\n\n\n<li><strong>\uc785\uc0ac\uac01 = \uc784\uacc4\uac01<\/strong> \u2192 \uad74\uc808\uad11\uc774 \uacbd\uacc4\uba74\uc744 \ub530\ub77c \uc2a4\uce69\ub2c8\ub2e4 (\uad74\uc808\uac01 90\u00b0)<\/li>\n\n\n\n<li><strong>\uc785\uc0ac\uac01 &gt; \uc784\uacc4\uac01<\/strong> \u2192 \uad74\uc808\uad11\uc774 \uc0ac\ub77c\uc9c0\uace0 <strong>\uc804\ubd80 \ub0b4\ubd80\ub85c \ubc18\uc0ac<\/strong>\ub429\ub2c8\ub2e4<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc7ac\uc9c8\ubcc4 \uc784\uacc4\uac01 (\uacf5\uae30\ub85c \ub098\uac08 \ub54c)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc7ac\uc9c8<\/th><th>\uad74\uc808\ub960<\/th><th>\uc784\uacc4\uac01<\/th><\/tr><\/thead><tbody><tr><td>\ubb3c<\/td><td>1.333<\/td><td>\uc57d 48.6\u00b0<\/td><\/tr><tr><td>PMMA (\uc544\ud06c\ub9b4)<\/td><td>1.490<\/td><td>\uc57d 42.2\u00b0<\/td><\/tr><tr><td>\uc720\ub9ac (BK7)<\/td><td>1.517<\/td><td>\uc57d 41.2\u00b0<\/td><\/tr><tr><td>PC (\ud3f4\ub9ac\uce74\ubcf4\ub124\uc774\ud2b8)<\/td><td>1.585<\/td><td>\uc57d 39.1\u00b0<\/td><\/tr><tr><td>\ub2e4\uc774\uc544\ubaac\ub4dc<\/td><td>2.417<\/td><td>\uc57d 24.4\u00b0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uad74\uc808\ub960\uc774 \ub192\uc744\uc218\ub85d \uc784\uacc4\uac01\uc774 \uc791\uc544\uc9d1\ub2c8\ub2e4.<\/strong> \uc989 \ube5b\uc774 \ub354 \uc27d\uac8c \uac07\ud799\ub2c8\ub2e4. \ub2e4\uc774\uc544\ubaac\ub4dc\uac00 24.4\u00b0\ub85c \uc720\ub3c5 \uc791\uc8e0. \uc55e\uc11c \ub2e4\uc774\uc544\ubaac\ub4dc\uac00 \ubc18\uc9dd\uc774\ub294 \uc774\uc720\uac00 \uc5ec\uae30\uc11c \uc22b\uc790\ub85c \ud655\uc778\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%94%A7_5_%EC%8B%A4%EB%AC%B4%EC%97%90%EC%84%9C_%EC%8A%A4%EB%84%AC%EC%9D%98_%EB%B2%95%EC%B9%99%EC%9D%B4_%EC%93%B0%EC%9D%B4%EB%8A%94_%EA%B3%B3\"><\/span>\ud83d\udd27 5. \uc2e4\ubb34\uc5d0\uc11c \uc2a4\ub12c\uc758 \ubc95\uce59\uc774 \uc4f0\uc774\ub294 \uacf3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%91%A0_%EB%8F%84%EA%B4%91%ED%8C%90LGP_%E2%80%94_%EC%A0%84%EB%B0%98%EC%82%AC%EB%A1%9C_%EB%B9%9B%EC%9D%84_%EA%B0%80%EB%91%94%EB%8B%A4\"><\/span>\u2460 \ub3c4\uad11\ud310(LGP) \u2014 \uc804\ubc18\uc0ac\ub85c \ube5b\uc744 \uac00\ub454\ub2e4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uce21\uba74\uc5d0\uc11c LED \ube5b\uc744 \ub123\uace0 \uc587\uc740 \ud310 \uc804\uccb4\ub97c \uace0\ub974\uac8c \ube5b\ub098\uac8c \ub9cc\ub4dc\ub294 \ubd80\ud488\uc785\ub2c8\ub2e4. \uc6d0\ub9ac\uc758 \ud575\uc2ec\uc774 \uc804\ubc18\uc0ac\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PMMA \ub3c4\uad11\ud310\uc758 \uc784\uacc4\uac01\uc740 \uc57d 42.2\u00b0\uc785\ub2c8\ub2e4. \uc774\ubcf4\ub2e4 \ud070 \uac01\ub3c4\ub85c \ub4e4\uc5b4\uc628 \ube5b\uc740 \ud310 \ubc16\uc73c\ub85c \ub098\uac00\uc9c0 \ubabb\ud558\uace0 \ub0b4\ubd80\uc5d0\uc11c \uacc4\uc18d \ubc18\uc0ac\ub418\uba70 \uba40\ub9ac\uae4c\uc9c0 \uc804\ub2ec\ub429\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \ud310 \ub4b7\uba74\uc5d0 \uc0c8\uaca8\uc9c4 \ud328\ud134\uc774 \ube5b\uc758 \uc785\uc0ac\uac01\uc744 \uc784\uacc4\uac01 \uc544\ub798\ub85c \ud2c0\uc5b4\uc8fc\uba74, \uadf8 \uc9c0\uc810\uc5d0\uc11c \ube5b\uc774 \ubc16\uc73c\ub85c \ube60\uc838\ub098\uc635\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud328\ud134 \ubc00\ub3c4\ub97c \uc870\uc808\ud574 \ube5b\uc774 \ub098\uc624\ub294 \uc591\uc744 \uc704\uce58\ubcc4\ub85c \uc81c\uc5b4\ud558\ub294 \uac83<\/strong>\uc774 \ub3c4\uad11\ud310 \uc124\uacc4\uc758 \ud575\uc2ec\uc785\ub2c8\ub2e4. \uc2a4\ub12c\uc758 \ubc95\uce59 \uc5c6\uc774\ub294 \uc124\uacc4\uac00 \ubd88\uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%91%A1_%ED%99%95%EC%82%B0%ED%8C%90_%EC%9E%AC%EC%A7%88_%EC%84%A0%EC%A0%95\"><\/span>\u2461 \ud655\uc0b0\ud310 \uc7ac\uc9c8 \uc120\uc815<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PMMA(1.49)\uc640 PC(1.585)\ub294 \uad74\uc808\ub960\uc774 \ub2e4\ub985\ub2c8\ub2e4. \uac19\uc740 \ub450\uaed8, \uac19\uc740 \uad6c\uc870\uc5ec\ub3c4 \ube5b\uc774 \uaebe\uc774\ub294 \uac01\ub3c4\uc640 \ud45c\uba74 \ubc18\uc0ac\ub7c9\uc774 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc7ac\uc9c8\uc744 \ubc14\uafb8\uba74 \uad11\ud559 \uc131\ub2a5\ub3c4 \ud568\uaed8 \ubc14\ub010\ub2e4\ub294 \ub73b\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%91%A2_%EB%A0%8C%EC%A6%88_%EC%84%A4%EA%B3%84\"><\/span>\u2462 \ub80c\uc988 \uc124\uacc4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub80c\uc988\uac00 \ube5b\uc744 \ubaa8\uc73c\uace0 \ud37c\ub728\ub9ac\ub294 \uac83 \uc790\uccb4\uac00 \uace1\uba74\uc5d0\uc11c \uc77c\uc5b4\ub098\ub294 \uad74\uc808\uc785\ub2c8\ub2e4. \uace1\ub960\uacfc \uad74\uc808\ub960\uc758 \uc870\ud569\uc73c\ub85c \ucd08\uc810 \uac70\ub9ac\uac00 \uacb0\uc815\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%91%A3_%EA%B4%91%EC%84%AC%EC%9C%A0\"><\/span>\u2463 \uad11\uc12c\uc720<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\ubc18\uc0ac\ub97c \uc774\uc6a9\ud574 \ube5b\uc744 \uc190\uc2e4 \uc5c6\uc774 \uba40\ub9ac \ubcf4\ub0c5\ub2c8\ub2e4. \ucf54\uc5b4\uc758 \uad74\uc808\ub960\uc744 \ud074\ub798\ub529\ubcf4\ub2e4 \ub192\uac8c \ub9cc\ub4e4\uc5b4, \ube5b\uc774 \ucf54\uc5b4 \uc548\uc5d0 \uac07\ud78c \ucc44 \uc9c4\ud589\ud558\ub3c4\ub85d \uc124\uacc4\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%9D%93_6_%EC%9E%90%EC%A3%BC_%EB%AC%BB%EB%8A%94_%EC%A7%88%EB%AC%B8\"><\/span>\u2753 6. \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:22px;margin:20px 0;\">\n\n<p style=\"margin-top:0;\"><strong>Q. \uc785\uc0ac\uac01\uc740 \uacbd\uacc4\uba74\uc5d0\uc11c \uc7ac\ub294 \uac74\uac00\uc694?<\/strong><br>\n\uc544\ub2d9\ub2c8\ub2e4. \uacbd\uacc4\uba74\uc5d0 \uc218\uc9c1\uc778 <strong>\ubc95\uc120<\/strong>\uc744 \uae30\uc900\uc73c\ub85c \uc7bd\ub2c8\ub2e4. \ucd08\ubcf4\uc790\uac00 \uac00\uc7a5 \ub9ce\uc774 \ud2c0\ub9ac\ub294 \ubd80\ubd84\uc785\ub2c8\ub2e4. \uacbd\uacc4\uba74 \uae30\uc900\uc73c\ub85c \uc7ac\uba74 90\u00b0\uc5d0\uc11c \ube80 \uac12\uc774 \ub418\ubbc0\ub85c \uacc4\uc0b0 \uacb0\uacfc\uac00 \uc644\uc804\ud788 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n\n<p><strong>Q. \uad74\uc808\ub960\uc740 \ud56d\uc0c1 1\ubcf4\ub2e4 \ud070\uac00\uc694?<\/strong><br>\n\uc77c\ubc18\uc801\uc778 \uad11\ud559 \uc7ac\ub8cc\uc5d0\uc11c\ub294 \uadf8\ub807\uc2b5\ub2c8\ub2e4. \ub2e4\ub9cc X\uc120 \uc601\uc5ed\uc774\ub098 \uc778\uacf5\uc801\uc73c\ub85c \ub9cc\ub4e0 \uba54\ud0c0\ubb3c\uc9c8\uc5d0\uc11c\ub294 1\ubcf4\ub2e4 \uc791\uac70\ub098 \uc74c\uc218\uc778 \uacbd\uc6b0\ub3c4 \ubcf4\uace0\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc870\uba85\u00b7\uad11\ud559 \uc124\uacc4 \uc2e4\ubb34 \ubc94\uc704\uc5d0\uc11c\ub294 1\ubcf4\ub2e4 \ud06c\ub2e4\uace0 \ubcf4\uc154\ub3c4 \ubb34\ubc29\ud569\ub2c8\ub2e4.<\/p>\n\n<p><strong>Q. \uc65c \ud504\ub9ac\uc998\uc5d0\uc11c\ub294 \ubb34\uc9c0\uac1c\uac00 \uc0dd\uae30\ub098\uc694?<\/strong><br>\n\uad74\uc808\ub960\uc774 \ud30c\uc7a5\uc5d0 \ub530\ub77c \uc870\uae08\uc529 \ub2e4\ub974\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uc774\ub97c \ubd84\uc0b0(Dispersion)\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4. \uc9e7\uc740 \ud30c\uc7a5(\ud30c\ub791)\uc774 \uae34 \ud30c\uc7a5(\ube68\uac15)\ubcf4\ub2e4 \ub354 \ud06c\uac8c \uaebe\uc5ec\uc11c \uc0c9\uc774 \ubd84\ub9ac\ub429\ub2c8\ub2e4.<\/p>\n\n<p><strong>Q. \uc804\ubc18\uc0ac\ub294 \uc5b4\ub290 \ubc29\ud5a5\uc73c\ub85c\ub4e0 \uc77c\uc5b4\ub098\ub098\uc694?<\/strong><br>\n\uc544\ub2d9\ub2c8\ub2e4. <strong>\uad74\uc808\ub960\uc774 \ub192\uc740 \ub9e4\uc9c8\uc5d0\uc11c \ub0ae\uc740 \ub9e4\uc9c8\ub85c \ub098\uac08 \ub54c\ub9cc<\/strong> \uc77c\uc5b4\ub0a9\ub2c8\ub2e4. \uacf5\uae30\uc5d0\uc11c \uc720\ub9ac\ub85c \ub4e4\uc5b4\uac08 \ub54c\ub294 \uc544\ubb34\ub9ac \uac01\ub3c4\ub97c \ud0a4\uc6cc\ub3c4 \uc804\ubc18\uc0ac\uac00 \uc0dd\uae30\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n<p style=\"margin-bottom:0;\"><strong>Q. \uc784\uacc4\uac01\ubcf4\ub2e4 \uc791\uc73c\uba74 \ubc18\uc0ac\ub294 \uc804\ud600 \uc5c6\ub098\uc694?<\/strong><br>\n\uc544\ub2d9\ub2c8\ub2e4. \uc784\uacc4\uac01\ubcf4\ub2e4 \uc791\uc544\ub3c4 \uc77c\ubd80\ub294 \ud56d\uc0c1 \ubc18\uc0ac\ub429\ub2c8\ub2e4. \uc774 \ubc18\uc0ac\ub7c9\uc744 \uacc4\uc0b0\ud558\ub294 \uac83\uc774 \ud504\ub808\ub12c \ubc29\uc815\uc2dd\uc785\ub2c8\ub2e4. \uc804\ubc18\uc0ac\ub294 &#8220;\ubc18\uc0ac\uac00 \uc2dc\uc791\ub418\ub294 \uc9c0\uc810&#8221;\uc774 \uc544\ub2c8\ub77c &#8220;\ubc18\uc0ac\uc728\uc774 100%\uac00 \ub418\ub294 \uc9c0\uc810&#8221;\uc785\ub2c8\ub2e4.<\/p>\n\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%F0%9F%A7%AD_7_%ED%95%B5%EC%8B%AC_%EC%9A%94%EC%95%BD\"><\/span>\ud83e\udded 7. \ud575\uc2ec \uc694\uc57d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc2a4\ub12c\uc758 \ubc95\uce59\uc740 <strong>n\u2081 sin \u03b8\u2081 = n\u2082 sin \u03b8\u2082<\/strong> \ub85c, \uad74\uc808 \uc815\ub3c4\ub97c \uad74\uc808\ub960\ub85c \uc5f0\uacb0\ud55c \uc2dd\uc785\ub2c8\ub2e4<\/li>\n\n\n\n<li>\uac01\ub3c4\ub294 \ubc18\ub4dc\uc2dc <strong>\ubc95\uc120 \uae30\uc900<\/strong>\uc73c\ub85c \uce21\uc815\ud569\ub2c8\ub2e4<\/li>\n\n\n\n<li>\uad74\uc808\ub960\uc774 <strong>\ub0ae\uc740 \uacf3 \u2192 \ub192\uc740 \uacf3<\/strong>\uc774\uba74 \ubc95\uc120 \ucabd\uc73c\ub85c, <strong>\ub192\uc740 \uacf3 \u2192 \ub0ae\uc740 \uacf3<\/strong>\uc774\uba74 \ubc95\uc120\uc5d0\uc11c \uba40\uc5b4\uc9c0\uac8c \uaebe\uc785\ub2c8\ub2e4<\/li>\n\n\n\n<li>\uad74\uc808\ub960\uc774 \ub192\uc740 \ub9e4\uc9c8\uc5d0\uc11c \ub098\uac08 \ub54c, \uc785\uc0ac\uac01\uc774 <strong>\uc784\uacc4\uac01<\/strong>\uc744 \ub118\uc73c\uba74 <strong>\uc804\ubc18\uc0ac(TIR)<\/strong> \uac00 \uc77c\uc5b4\ub0a9\ub2c8\ub2e4<\/li>\n\n\n\n<li>\uc784\uacc4\uac01\uc740 <strong>\u03b8c = arcsin(n\u2082\/n\u2081)<\/strong> \uc774\uba70, \uad74\uc808\ub960\uc774 \ub192\uc744\uc218\ub85d \uc791\uc544\uc9d1\ub2c8\ub2e4<\/li>\n\n\n\n<li>\ub3c4\uad11\ud310, \ud655\uc0b0\ud310, \ub80c\uc988, \uad11\uc12c\uc720 \u2014 \uad11\ud559 \ubd80\ud488 \uc124\uacc4\uc758 \ucd9c\ubc1c\uc810\uc774 \uc774 \ud55c \uc904\uc758 \uacf5\uc2dd\uc785\ub2c8\ub2e4<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uacf5\uc2dd \uc790\uccb4\ub294 \ub2e8\uc21c\ud558\uc9c0\ub9cc, \uc5ec\uae30\uc11c \ud30c\uc0dd\ub418\ub294 \uc774\uc57c\uae30\ub294 \uc0c1\ub2f9\ud788 \uae4a\uc2b5\ub2c8\ub2e4. \ud2b9\ud788 \uc804\ubc18\uc0ac\ub294 \ub3c4\uad11\ud310\uc774\ub098 \uad11\uc12c\uc720 \uac19\uc740 \uc2e4\uc81c \ubd80\ud488\uc758 \ub3d9\uc791 \uc6d0\ub9ac\ub97c \uadf8\ub300\ub85c \uc124\uba85\ud574\uc8fc\uae30 \ub54c\ubb38\uc5d0, \uad11\ud559 \uc124\uacc4\ub97c \ud558\uc2e0\ub2e4\uba74 \ubc18\ub4dc\uc2dc \ubab8\uc5d0 \uc775\ud600\ub450\uc2e4 \ub9cc\ud55c \uac1c\ub150\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"background:#f1f5f9;border-radius:10px;padding:18px 22px;margin:24px 0;\">\n  <strong>\ud83d\udcda \ud568\uaed8 \ubcf4\uba74 \uc88b\uc740 \uae00<\/strong>\n  <ul style=\"margin:10px 0 0;\">\n    <li style=\"margin-bottom:6px;\"><a href=\"https:\/\/steelcrucian.com\/inverse-square-cosine-law-lighting\/\">\ucf54\uc0ac\uc778 \ubc95\uce59 \/ \uc5ed\uc81c\uacf1 \ubc95\uce59\uc73c\ub85c \ubcf4\ub294 \uc870\ub3c4 \uacc4\uc0b0<\/a><\/li>\n    <li style=\"margin-bottom:6px;\"><a href=\"https:\/\/steelcrucian.com\/led-light-uniformity-calculation-guide\/\">\uc870\uba85 \uade0\uc77c\ub3c4 \uacc4\uc0b0 3\uac00\uc9c0 \uc644\ubcbd\uc815\ub9ac + \ubb34\ub8cc \uacc4\uc0b0\uae30<\/a><\/li>\n    <li><a href=\"https:\/\/steelcrucian.com\/led-illuminance-cov-analysis\/\">\ubcc0\ub3d9\uacc4\uc218(CV)\ub780? \u2013 \uc870\uba85 \uade0\uc77c\ub3c4\ub97c \uc22b\uc790\ub85c \ud310\ub2e8\ud558\ub294 \ubc95<\/a><\/li>\n  <\/ul>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ubb3c\ucef5\uc5d0 \ub2f4\uae34 \ube68\ub300\uac00 \uaebe\uc5ec \ubcf4\uc774\ub294 \ud604\uc0c1, \ud55c \ubc88\ucbe4 \ubcf4\uc168\uc744 \uac81\ub2c8\ub2e4. \ubb3c\uc18d\uc5d0 \uc788\ub294 \ubb3c\uccb4\uac00 \uc2e4\uc81c\ubcf4\ub2e4 \uc595\uc740 \uacf3\uc5d0 \uc788\ub294 \uac83\ucc98\ub7fc \ubcf4\uc774\uae30\ub3c4 \ud558\uc8e0. \uc774 \ubaa8\ub4e0 \ud604\uc0c1\uc740 \ud558\ub098\uc758 \uc6d0\ub9ac\ub85c \uc124\uba85\ub429\ub2c8\ub2e4. \ube5b\uc774 \uc11c\ub85c \ub2e4\ub978 \ub9e4\uc9c8\uc758 \uacbd\uacc4\ub97c \uc9c0\ub0a0 \ub54c \uc9c4\ud589 \ubc29\ud5a5\uc774 \uaebe\uc774\ub294 \uac83, \uc989 \uad74\uc808\uc785\ub2c8\ub2e4. \uc774 \uad74\uc808\uc774 \uc5bc\ub9c8\ub098 \uc77c\uc5b4\ub098\ub294\uc9c0\ub97c \uc815\ud655\ud55c \uc218\uc2dd\uc73c\ub85c \uc54c\ub824\uc8fc\ub294 \uac83\uc774 \uc2a4\ub12c\uc758 \ubc95\uce59(Snell&#8217;s Law) \uc785\ub2c8\ub2e4. \uc800\ub294 \uc870\uba85 \uc124\uacc4 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