{"id":208701,"date":"2024-03-21T14:06:52","date_gmt":"2024-03-21T14:06:52","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ea%b4%91%ec%84%ac%ec%9c%a0-%ec%88%98%ec%b9%98-%ec%a1%b0%eb%a6%ac%ea%b0%9c-%eb%b0%a9%ec%a0%95%ec%8b%9d-%ec%a0%95%ec%9d%98-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ec%9d%91%ec%9a%a9\/"},"modified":"2024-05-15T11:31:39","modified_gmt":"2024-05-15T11:31:39","slug":"%ea%b4%91%ec%84%ac%ec%9c%a0-%ec%88%98%ec%b9%98-%ec%a1%b0%eb%a6%ac%ea%b0%9c-%eb%b0%a9%ec%a0%95%ec%8b%9d-%ec%a0%95%ec%9d%98-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ec%9d%91%ec%9a%a9","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ea%b4%91%ec%84%ac%ec%9c%a0-%ec%88%98%ec%b9%98-%ec%a1%b0%eb%a6%ac%ea%b0%9c-%eb%b0%a9%ec%a0%95%ec%8b%9d-%ec%a0%95%ec%9d%98-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ec%9d%91%ec%9a%a9\/","title":{"rendered":"\uad11\uc12c\uc720 \uc218\uce58 \uc870\ub9ac\uac1c \ubc29\uc815\uc2dd | \uc815\uc758, \uacc4\uc0b0 \ubc0f \uc751\uc6a9"},"content":{"rendered":"

\uc218\uce58 \uc870\ub9ac\uac1c \ubc29\uc815\uc2dd\uc740 \uad11\uc12c\uc720\uc758 \ube5b \uc218\uc9d1 \ubc0f \uc804\ub2ec \ub2a5\ub825\uc744 \ub098\ud0c0\ub0b4\ub294 \uc911\uc694\ud55c \uc9c0\ud45c\ub85c, \uad11\ud1b5\uc2e0 \ubc0f \uad11\ud559 \uc124\uacc4\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n

\uad11\uc12c\uc720 \uc218\uce58 \uc870\ub9ac\uac1c \ubc29\uc815\uc2dd\uc774\ub780?<\/h2>\n

\uad11\uc12c\uc720 \uae30\uc220\uc740 \uad11\ud559\uacfc \uc804\uc790\uacf5\ud559\uc758 \uc911\uc694\ud55c \uad50\ucc28\uc810\uc5d0 \uc704\uce58\ud558\uba70, \uc774 \uacf3\uc5d0\uc11c \uc218\uce58 \uc870\ub9ac\uac1c \ubc29\uc815\uc2dd(Numerical Aperture, NA)\uc774 \ud070 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc218\uce58 \uc870\ub9ac\uac1c\ub294 \uad11\uc12c\uc720\uac00 \ud6a8\uc728\uc801\uc73c\ub85c \ube5b\uc744 \uc218\uc9d1\ud558\uace0 \uc804\ub2ec\ud558\ub294 \ub2a5\ub825\uc744 \ub098\ud0c0\ub0b4\ub294 \uc9c0\ud45c\uc785\ub2c8\ub2e4. \uc774 \ubc29\uc815\uc2dd\uc740 \uad11\uc12c\uc720\uc758 \uc124\uacc4 \ubc0f \uc131\ub2a5 \ud3c9\uac00\uc5d0 \ud544\uc218\uc801\uc774\uba70, \uad11\ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc758 \uc804\ubc18\uc801\uc778 \ud6a8\uc728\uc131\uc744 \uc774\ud574\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n

\uc218\uce58 \uc870\ub9ac\uac1c \ubc29\uc815\uc2dd\uc758 \uc815\uc758<\/h2>\n

\uc218\uce58 \uc870\ub9ac\uac1c(NA)\ub294 \uad11\uc12c\uc720\uc758 \uc785\ub825\uacfc \ucd9c\ub825 \uba74\uc5d0\uc11c \ube5b\uc774 \uad11\uc12c\uc720 \ub0b4\ub97c \uc804\ud30c\ud560 \uc218 \uc788\ub294 \uac01\ub3c4\uc758 \ubc94\uc704\ub97c \uc815\uc758\ud569\ub2c8\ub2e4. \uc774\ub294 \uad11\uc12c\uc720\uac00 \uc5bc\ub9c8\ub098 \ub9ce\uc740 \ube5b\uc744 “\uc7a1\uc544\ucc4c” \uc218 \uc788\ub294\uc9c0\ub97c \ub098\ud0c0\ub0b4\uba70, \ub2e4\uc74c\uacfc \uac19\uc740 \ubc29\uc815\uc2dd\uc73c\ub85c \ud45c\ud604\ub429\ub2c8\ub2e4.<\/p>\n

\\[ NA = n \\sin(\\theta) \\]<\/p>\n

\uc5ec\uae30\uc11c n<\/i>\uc740 \uad11\uc12c\uc720\uc758 \uc8fc\ubcc0 \ub9e4\uc9c8(\ub300\ubd80\ubd84 \uacf5\uae30)\uc758 \uad74\uc808\ub960\uc744 \ub098\ud0c0\ub0b4\uace0, \\( \\theta \\)\ub294 \uad11\uc12c\uc720\uc5d0 \uc785\uc0ac\ud558\ub294 \ube5b\uc758 \ucd5c\ub300 \uac01\ub3c4(\uc785\uc0ac\uac01)\uc785\ub2c8\ub2e4.<\/p>\n

\uacc4\uc0b0 \ubc29\ubc95<\/h2>\n

\uc218\uce58 \uc870\ub9ac\uac1c\ub97c \uacc4\uc0b0\ud558\uae30 \uc704\ud574\uc11c\ub294 \uba3c\uc800 \uad11\uc12c\uc720\uc640 \uadf8 \uc8fc\ubcc0 \ub9e4\uc9c8\uc758 \uad74\uc808\ub960\uc744 \uc54c\uc544\uc57c \ud569\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uacbd\uc6b0, \uad11\uc12c\uc720 \uc8fc\ubcc0 \ub9e4\uc9c8\uc740 \uacf5\uae30\uc774\ubbc0\ub85c \uad74\uc808\ub960\uc740 \uc57d 1\uc785\ub2c8\ub2e4. \uad11\uc12c\uc720 \uc790\uccb4\uc758 \uad74\uc808\ub960\uc740 \uc77c\ubc18\uc801\uc73c\ub85c 1.45 \uc815\ub3c4\uc785\ub2c8\ub2e4. \uc774 \uc815\ubcf4\uc640 \ube5b\uc774 \uc785\uc0ac\ud560 \ub54c\uc758 \ucd5c\ub300 \uac01\ub3c4\ub97c \uc774\uc6a9\ud558\uc5ec NA\ub97c \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\\[ NA = n_{\\text{air}} \\sin(\\theta_{\\text{max}}), \\text{\uc5ec\uae30\uc11c } n_{\\text{air}} \\approx 1 \\]<\/p>\n

\uad11\uc12c\uc720\uc5d0 \ub300\ud55c \ud2b9\uc815 \uc815\ubcf4\uac00 \uc5c6\ub294 \uacbd\uc6b0, \uc785\uc0ac\uac01 \\(\\theta_{\\text{max}}\\)\ub97c 90\ub3c4\ub85c \uac00\uc815\ud558\uc5ec \uc0ac\uc6a9\ud558\uae30\ub3c4 \ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc815\ud655\ud55c \uacc4\uc0b0\uc744 \uc704\ud574\uc11c\ub294 \uc81c\uc870\uc0ac\uc758 \ub370\uc774\ud130\uc2dc\ud2b8\ub97c \ucc38\uc870\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc751\uc6a9<\/h2>\n

\uc218\uce58 \uc870\ub9ac\uac1c\uc758 \uac1c\ub150\uc740 \uad11\ud1b5\uc2e0 \uc678\uc5d0\ub3c4 \uc5ec\ub7ec \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud558\uac8c \ud65c\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc758\ub8cc \ubd84\uc57c\uc5d0\uc11c\ub294 \uad11\uc12c\uc720\ub97c \uc774\uc6a9\ud558\uc5ec \uc2e0\uccb4 \ub0b4\ubd80\uc758 \uc774\ubbf8\uc9c0\ub97c \uc5bb\uac70\ub098 \uce58\ub8cc\ub97c \ud560 \ub54c \ub192\uc740 NA \uac12\uc774 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ube5b\uc774 \uc798 \uc218\uc9d1\ub418\uace0 \uc9d1\uc911\ub418\uc5b4\uc57c\ub9cc \ub354 \uc120\uba85\ud55c \uc774\ubbf8\uc9c0\ub97c \uc5bb\uac70\ub098 \ud6a8\uacfc\uc801\uc778 \uce58\ub8cc\uac00 \uac00\ub2a5\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n

\ub610\ud55c, \uad11\ud559 \uc5f0\uad6c\uc5d0\uc11c\ub3c4 \uc774 \ubc29\uc815\uc2dd\uc740 \ub9e4\uc6b0 \uc720\uc6a9\ud558\uac8c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uad11\uc12c\uc720\ub97c \uc774\uc6a9\ud55c \uc2e4\ud5d8\uc5d0\uc11c \uc815\ud655\ud55c \ube5b\uc758 \uc81c\uc5b4\uac00 \ud544\uc694\ud55c \uacbd\uc6b0, NA \uac12\uc744 \uc870\uc808\ud568\uc73c\ub85c\uc368 \uc2e4\ud5d8\uc758 \uc815\ubc00\ub3c4\ub97c \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc774\ucc98\ub7fc \uad11\uc12c\uc720\uc758 \uc218\uce58 \uc870\ub9ac\uac1c \ubc29\uc815\uc2dd\uc740 \ub2e4\uc591\ud55c \uacfc\ud559\uc801 \ubc0f \uacf5\ud559\uc801 \uc751\uc6a9\uc5d0 \ub9e4\uc6b0 \uc911\uc694\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4. \uc774\ub97c \uc774\ud574\ud558\uace0 \uacc4\uc0b0\ud560 \uc218 \uc788\ub2e4\uba74, \ub354 \ud6a8\uacfc\uc801\uc774\uace0 \ud6a8\uc728\uc801\uc778 \uad11\ud559 \ubc0f \uc804\uc790\uae30\ud559\uc801 \uc124\uacc4\uac00 \uac00\ub2a5\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n

\uacb0\ub860<\/h2>\n

\uad11\uc12c\uc720\uc758 \uc218\uce58 \uc870\ub9ac\uac1c \ubc29\uc815\uc2dd\uc740 \uad11\ud559 \ubc0f \uc804\uc790\uacf5\ud559\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc774 \ubc29\uc815\uc2dd\uc744 \ud1b5\ud574 \uad11\uc12c\uc720\uc758 \uc131\ub2a5\uc744 \uc774\ud574\ud558\uace0 \ucd5c\uc801\ud654\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub294 \uad11\ud1b5\uc2e0, \uc758\ub8cc \uc601\uc0c1, \uad11\ud559 \uc5f0\uad6c \ub4f1 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \uad11\uc12c\uc720\ub97c \ub354\uc6b1 \ud6a8\uacfc\uc801\uc73c\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc788\uac8c \ud569\ub2c8\ub2e4. \uc218\uce58 \uc870\ub9ac\uac1c\ub97c \uc815\ud655\ud558\uac8c \uacc4\uc0b0\ud558\uace0 \uc801\uc6a9\ud558\ub294 \uac83\uc740 \uae30\uc220\uc758 \uc9c4\ubcf4\uc5d0 \uae30\uc5ec\ud558\uba70, \ubcf5\uc7a1\ud55c \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

\uc218\uce58 \uc870\ub9ac\uac1c \ubc29\uc815\uc2dd\uc740 \uad11\uc12c\uc720\uc758 \ube5b \uc218\uc9d1 \ubc0f \uc804\ub2ec \ub2a5\ub825\uc744 \ub098\ud0c0\ub0b4\ub294 \uc911\uc694\ud55c \uc9c0\ud45c\ub85c, \uad11\ud1b5\uc2e0 \ubc0f \uad11\ud559 \uc124\uacc4\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[94],"tags":[95],"class_list":["post-208701","post","type-post","status-publish","format-standard","hentry","category-94","tag-95","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"\n\uad11\uc12c\uc720 \uc218\uce58 \uc870\ub9ac\uac1c \ubc29\uc815\uc2dd | \uc815\uc758, \uacc4\uc0b0 \ubc0f \uc751\uc6a9<\/title>\n<meta name=\"description\" content=\"\uc218\uce58 \uc870\ub9ac\uac1c \ubc29\uc815\uc2dd\uc740 \uad11\uc12c\uc720\uc758 \ube5b \uc218\uc9d1 \ubc0f \uc804\ub2ec \ub2a5\ub825\uc744 \ub098\ud0c0\ub0b4\ub294 \uc911\uc694\ud55c \uc9c0\ud45c\ub85c, \uad11\ud1b5\uc2e0 \ubc0f \uad11\ud559 \uc124\uacc4\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.electricity-magnetism.org\/ko\/%ea%b4%91%ec%84%ac%ec%9c%a0-%ec%88%98%ec%b9%98-%ec%a1%b0%eb%a6%ac%ea%b0%9c-%eb%b0%a9%ec%a0%95%ec%8b%9d-%ec%a0%95%ec%9d%98-%ea%b3%84%ec%82%b0-%eb%b0%8f-%ec%9d%91%ec%9a%a9\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\uad11\uc12c\uc720 \uc218\uce58 \uc870\ub9ac\uac1c \ubc29\uc815\uc2dd | \uc815\uc758, \uacc4\uc0b0 \ubc0f \uc751\uc6a9\" \/>\n<meta property=\"og:description\" content=\"\uc218\uce58 \uc870\ub9ac\uac1c \ubc29\uc815\uc2dd\uc740 \uad11\uc12c\uc720\uc758 \ube5b 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