{"id":4157,"date":"2026-01-24T14:16:50","date_gmt":"2026-01-24T06:16:50","guid":{"rendered":"https:\/\/laserdiode-ld.com\/?p=4157"},"modified":"2026-01-15T14:17:39","modified_gmt":"2026-01-15T06:17:39","slug":"%ea%b3%a0%ec%82%ac%ec%96%91-638nm-785nm-%ed%98%91%ec%84%a0%ed%8f%ad-%eb%a0%88%ec%9d%b4%ec%a0%80-%ec%a0%9c%ec%a1%b0","status":"publish","type":"post","link":"https:\/\/laserdiode-ld.com\/ko\/%ea%b3%a0%ec%82%ac%ec%96%91-638nm-785nm-%ec%a2%81%ec%9d%80-%ec%84%a0%ed%8f%ad-%eb%a0%88%ec%9d%b4%ec%a0%80-%ec%a0%9c%ec%a1%b0-html","title":{"rendered":"\uace0\uc0ac\uc591 638nm\/785nm \ud611\uc120\ud3ed \ub808\uc774\uc800 \uc81c\uc870"},"content":{"rendered":"

\uc2a4\ud399\ud2b8\ub7fc \uc120\ud3ed\uc758 \uc591\uc790 \uc5f4\uc5ed\ud559<\/h3>\n\n\n\n

\uadf9\ub3c4\uc758 \uc77c\uad00\uc131\uc744 \ucd94\uad6c\ud558\uae30 \uc704\ud574\uc11c\ub294 \uc881\uc740 \uc120\ud3ed \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \ub294 \uc2a4\ud399\ud2b8\ub7fc \ud3ed\uc744 \uad11\ud559 \uce90\ube44\ud2f0 \ub0b4\uc758 \uad11\uc790 \ubc00\ub3c4\uc640 \uc5f0\uad00\uc2dc\ud0a4\ub294 \uc204\ub85c\uc6b0-\ud0c0\uc6b4\uc2a4 \uc815\ub9ac\uc640 \uad11\ud559 \uce90\ube44\ud2f0 \ub0b4\uc758 \uad11\uc790 \ubc00\ub3c4\uc640 \uc5f0\uad00\uc2dc\ud0a4\ub294 \uc204\ub85c\uc6b0-\ud0c0\uc6b4\uc2a4 \uc815\ub9ac\uc5d0 \uc758\ud574 \uacb0\uc815\ub429\ub2c8\ub2e4. \uc790\ubc1c\uc801 \ubc29\ucd9c\ub960<\/strong>. \ud45c\uc900 \ud30c\ube0c\ub9ac-\ud398\ub85c(FP) \ub808\uc774\uc800\uc758 \uacbd\uc6b0 \uc120\ud3ed\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc218\ubc31 \uae30\uac00\ud5e4\ub974\uce20 \ubc94\uc704\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uac04\uc12d\uacc4 \ub610\ub294 \uace0\ud574\uc0c1\ub3c4 \ubd84\uad11\ubc95\uacfc \uac19\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uacbd\uc6b0 \uc774 \ud3ed\uc744 \uba87 \ubc30\ub85c \uc5b5\uc81c\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc11c\ube0c \uba54\uac00\ud5e4\ub974\uce20 \uc120\ud3ed\uc744 \ub2ec\uc131\ud558\ub824\uba74 \ub2e8\uc21c\ud55c \ubc18\ub3c4\uccb4 \uc811\ud569\uc5d0\uc11c \ubc97\uc5b4\ub09c \uc544\ud0a4\ud14d\ucc98\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ubb3c\ub9ac\ud559\uc740 \uacf5\uc9c4\uae30 \ub0b4\uc758 \uad11\uc790 \uc218\uba85($\\tau_p$)\uc744 \ub298\ub9ac\ub294 \uac83\uc744 \uc911\uc2ec\uc73c\ub85c \uc804\uac1c\ub429\ub2c8\ub2e4. \uc774\ub294 \ubc18\ub3c4\uccb4 \uce69 \uc790\uccb4 \ub108\uba38\ub85c \uce90\ube44\ud2f0\ub97c \ud655\uc7a5\ud568\uc73c\ub85c\uc368 \ub2ec\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc678\ubd80 \uacf5\ub3d9 \ub2e4\uc774\uc624\ub4dc \ub808\uc774\uc800<\/a> (ECDL)<\/strong> \uad6c\uc131. \uc81c\uc870\uc5c5\uccb4\ub294 \ubcfc\ub968 \ube0c\ub798\uadf8 \uaca9\uc790(VBG) \ub610\ub294 \ud68c\uc808 \uaca9\uc790\uc640 \uac19\uc740 \uc8fc\ud30c\uc218 \uc120\ud0dd \uc694\uc18c\ub97c \ub3c4\uc785\ud558\uc5ec \ub808\uc774\uc800\uac00 \ub2e8\uc77c \uc885\ubc29\ud5a5 \ubaa8\ub4dc\uc5d0\uc11c \uc9c4\ub3d9\ud558\ub3c4\ub85d \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc8fc\ud30c\uc218 \uc120\ud0dd\uc758 \uc815\ubc00\ub3c4\ub294 \uc77c\ubc18 \uad11\uc6d0\uc5d0\uc11c \uacfc\ud559\uc6a9 \uae30\uae30\ub85c\uc758 \uc804\ud658\uc744 \uc815\uc758\ud558\ub294 \uc694\uc18c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc7ac\ub8cc \uc5ed\ud559: 638nm AlGaInP \ub300 785nm AlGaAs<\/h3>\n\n\n\n

\uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 638nm \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/a><\/strong> \uadf8\ub9ac\uace0 785nm \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \ub294 \uc18c\uc7ac\uc758 \uc131\ub2a5 \uc800\ud558\uc640 \uc5f4\uc801 \ubd88\uc548\uc815\uc131\uc5d0 \ub300\ud55c \ub450 \uac00\uc9c0 \ub69c\ub837\ud55c \uc2f8\uc6c0\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. 638nm\uc5d0\uc11c AlGaInP \uc7ac\ub8cc \uc2dc\uc2a4\ud15c\uc740 \ub0ae\uc740 \uce90\ub9ac\uc5b4 \uad6c\uc18d\uc73c\ub85c \uc778\ud574 \uc5b4\ub824\uc6c0\uc744 \uacaa\uc2b5\ub2c8\ub2e4. \uc591\uc790 \uc6b0\ubb3c\uacfc p-\ud074\ub798\ub529 \uc0ac\uc774\uc758 \ubc34\ub4dc \uc624\ud504\uc14b\uc774 \uc0c1\ub300\uc801\uc73c\ub85c \uc791\uae30 \ub54c\ubb38\uc5d0 \uc628\ub3c4\uac00 \uc0c1\uc2b9\ud568\uc5d0 \ub530\ub77c \uc804\uc790\uac00 \ud65c\uc131 \uc601\uc5ed\uc5d0\uc11c \uc27d\uac8c \ube60\uc838\ub098\uac11\ub2c8\ub2e4. \uc774\ub7ec\ud55c \u201c\uce90\ub9ac\uc5b4 \uc624\ubc84\ud50c\ub85c\u201d\ub85c \uc778\ud574 \uc790\ubc1c\uc801 \ubc29\ucd9c\ub960<\/strong> \uac00 \uc6d0\ud558\ub294 \ubaa8\ub4dc\ub97c \ubc97\uc5b4\ub098\uba74 \uc2a4\ud399\ud2b8\ub7fc \ub178\uc774\uc988 \uc99d\uac00\ub85c \ub098\ud0c0\ub0a9\ub2c8\ub2e4.<\/p>\n\n\n\n

\ubc18\uba74\uc5d0 785nm \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong>, \ub294 \uace0\uc774\ub4dd \uc18c\uc790\uc774\uc9c0\ub9cc \ud328\uc2ef\uc758 \ud45c\uba74 \uc7ac\uacb0\ud569 \uc18d\ub3c4\uac00 \ube60\ub974\ub2e4\ub294 \ub2e8\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ub54c\ubb38\uc5d0 \ub192\uc740 \uc804\ub825 \ub808\ubca8\ub85c \ubc00\uc5b4\ubd99\uc77c \uacbd\uc6b0 \ud2b9\ud788 \uce58\uba85\uc801\uc778 \uad11\ud559 \uc190\uc0c1(COD)\uc5d0 \ucde8\uc57d\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud68c\uc808 \uc81c\ud55c \ub808\uc774\uc800<\/a><\/strong> 785nm\uc5d0\uc11c \ucd9c\ub825\ud558\ub824\uba74 \uc5d0\ud53c\ud0dd\uc15c \uad6c\uc870\uc5d0 \u201c\ub4f1\uae09 \uc778\ub371\uc2a4 \ubd84\ub9ac \uac10\uae08 \uc774\uc885 \uad6c\uc870\u201d(GRINSCH)\uac00 \ud3ec\ud568\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uc124\uacc4\ub294 \uad11\ud559\uc7a5\uc774 \uc218\uc9c1\uc73c\ub85c \ud37c\uc838 \ud328\uc2ef\uc758 \uac15\ub3c4\ub97c \uc904\uc774\uba74\uc11c \uc774\ub4dd \ub9e4\uccb4\uc640\uc758 \ub192\uc740 \uc911\ucca9\uc744 \uc720\uc9c0\ud558\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc774 \uc778\ud130\ud398\uc774\uc2a4\uc758 \uc548\uc815\uc131\uc740 \ub77c\ub9cc \ubd84\uad11\ud559 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc7a5\uae30\uc801\uc778 \uc2e0\ub8b0\uc131\uc758 \uc8fc\uc694 \uc6d0\ub3d9\ub825\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud68c\uc808 \ud55c\uacc4 \ub2ec\uc131: \ub3c4\ud30c\uad00 \uc9c0\uc624\uba54\ud2b8\ub9ac\uc758 \uc5ed\ud560<\/h3>\n\n\n\n

A \ud68c\uc808 \uc81c\ud55c \ub808\uc774\uc800<\/strong> \ub294 1.0\uc5d0 \uadfc\uc811\ud558\ub294 $M^2$ \uacc4\uc218\uac00 \ud2b9\uc9d5\uc774\uba70, \uc774\ub294 \ube54\uc774 \uc774\uc0c1\uc801\uc778 \uac00\uc6b0\uc2a4 \uc804\ud30c \ubc95\uce59\uc744 \ub530\ub978\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4. \uc5d0\uc11c \ubc18\ub3c4\uccb4 \ub808\uc774\uc800<\/a>, \ube54 \ud488\uc9c8\uc740 \u201c\ub9bf\uc9c0 \ub3c4\ud30c\uad00\u201d(RWG) \uc9c0\uc624\uba54\ud2b8\ub9ac\uc5d0 \uc758\ud574 \uacb0\uc815\ub429\ub2c8\ub2e4. \ub9ac\uc9c0\ub294 \uae30\ubcf8 \ud6a1\ubc29\ud5a5 \ubaa8\ub4dc\ub9cc \uc9c4\ub3d9\ud560 \uc218 \uc788\uc744 \uc815\ub3c4\ub85c \ucda9\ubd84\ud788 \uc881\uc544\uc57c \ud569\ub2c8\ub2e4(\uc77c\ubc18\uc801\uc73c\ub85c 2.0 $\\mu m$\uc5d0\uc11c 3.5 $\\mu m$ \uc0ac\uc774).<\/p>\n\n\n\n

\uadf8\ub7ec\ub098 \ub9bf\uc9c0 \ud3ed\uc774 \uc904\uc5b4\ub4e4\uba74 \ud68c\uc808 \uc81c\ud55c \ub808\uc774\uc800<\/strong> \ud504\ub85c\ud544\uc5d0 \uc5f4\uc800\ud56d ($R_{th}$)<\/strong> \uac00 \uc99d\uac00\ud569\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \uc811\ud569\ubd80\uc5d0 \uad6d\ubd80\uc801\uc778 \u201c\uc5f4\uc12c\u201d\uc774 \uc0dd\uc131\ub429\ub2c8\ub2e4. \uc774 \uc5f4\uc740 \uc5f4 \ub80c\uc988\ub2dd\uc73c\ub85c \uc54c\ub824\uc9c4 \uad74\uc808\ub960 \uad6c\ubc30\ub97c \uc720\ub3c4\ud558\uc5ec \ud30c\uba74\uc774 \uc65c\uace1\ub418\uace0 \ube54\uc774 \ud68c\uc808 \ud55c\uacc4\uc5d0\uc11c \ubc97\uc5b4\ub0a0 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc81c\uc870 \uacf5\uc815\uc5d0\uc11c\ub294 \u201c\uc11c\ube0c \ub9c8\uc774\ud06c\ub860 \ub9ac\uc18c\uadf8\ub798\ud53c\u201d\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub9ac\uc9c0 \ubcbd\uc774 \uc644\ubcbd\ud558\uac8c \uc218\uc9c1\uc774\uace0 \ub9e4\ub044\ub7ec\uc6b4\uc9c0 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4. \ub9ac\uc9c0 \uce21\ubcbd\uc758 \uac70\uce60\uae30\ub294 \uc0b0\ub780 \uc911\uc2ec \uc5ed\ud560\uc744 \ud558\uc5ec \ub0b4\ubd80 \uc190\uc2e4\uc744 \uc99d\uac00\uc2dc\ud0a4\uace0 \uc120\ud3ed\uc744 \ub113\ud799\ub2c8\ub2e4.<\/p>\n\n\n\n

\ubc84\ud130\ud50c\ub77c\uc774 \ud328\ud0a4\uc9c0: \uc5f4\uc801 \ubc0f \uae30\uacc4\uc801 \uc548\uc815\uc131\uc758 \uc548\uc2dd\ucc98<\/h3>\n\n\n\n

\ubaa8\ub4e0 \uace0\uc815\ubc00 OEM \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uacbd\uc6b0 \ubc84\ud130\ud50c\ub77c\uc774 \ud328\ud0a4\uc9c0 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/a><\/strong> \uac00 \uc5c5\uacc4 \ud45c\uc900\uc778 \ub370\uc5d0\ub294 \uc774\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4. 14\ud540 \ubc84\ud130\ud50c\ub77c\uc774 \ubaa8\ub4c8\uc740 TO-\uce94 \ud328\ud0a4\uc9c0\uc640 \ub2ec\ub9ac \ub808\uc774\uc800 \uce69\uc744 \ud63c\ub780\uc2a4\ub7ec\uc6b4 \uc678\ubd80 \ud658\uacbd\uc73c\ub85c\ubd80\ud130 \uaca9\ub9ac\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \uc808\uc5f0\uc758 \ud575\uc2ec\uc740 \ub0b4\ubd80 \uc5f4\uc804 \ub0c9\uac01\uae30(TEC)\uc640 \uace0\uac10\ub3c4 NTC \uc11c\ubbf8\uc2a4\ud130\ub97c \ud1b5\ud569\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uadf8 \uc5f4\uc800\ud56d ($R_{th}$)<\/strong> \uc5d0\uc11c \ucf00\uc774\uc2a4\uae4c\uc9c0 \uac00\uc7a5 \uc911\uc694\ud55c \ub9e4\uac1c\ubcc0\uc218\uc785\ub2c8\ub2e4. \ubc84\ud130\ud50c\ub77c\uc774 \ud328\ud0a4\uc9c0 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong>. \uc5f4 \uc804\ub3c4\uc131\uc774 \ub192\uace0 \ub808\uc774\uc800 \uce69\uacfc \uc5f4\ud33d\ucc3d \uacc4\uc218(CTE)\uac00 \uc77c\uce58\ud558\ub294 \uc9c8\ud654 \uc54c\ub8e8\ubbf8\ub284(AlN) \uc11c\ube0c\ub9c8\uc6b4\ud2b8\uc5d0 \ub808\uc774\uc800 \ub2e4\uc774\ub97c \uc7a5\ucc29\ud568\uc73c\ub85c\uc368 \uc81c\uc870\uc5c5\uccb4\ub294 \ud65c\uc131 \uc601\uc5ed\uc5d0\uc11c \uc5f4\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \u201c\ubc30\ucd9c'\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub610\ud55c \ubc84\ud130\ud50c\ub77c\uc774 \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\uba74 \uc601\uad6c\uc801\uc778 \uc678\ubd80 \uce90\ube44\ud2f0 \ub2e4\uc774\uc624\ub4dc \ub808\uc774\uc800(ECDL)<\/strong> \uc124\uc815\ud569\ub2c8\ub2e4. \uc774 \uaca9\uc790\ub294 \ub808\uc774\uc800 \ud328\uc2ef\uc5d0\uc11c \ubd88\uacfc \uba87 \ubbf8\ud06c\ub860 \ub5a8\uc5b4\uc9c4 \ubc00\ud3d0 \ubc00\ubd09 \ub0b4\uc5d0 \uc704\uce58\ud569\ub2c8\ub2e4. VBG\ub294 \ub808\uc774\uc800 \uce69\uacfc \ub3d9\uc77c\ud55c TEC\uc5d0 \uc5f4\uc801\uc73c\ub85c \uace0\uc815\ub418\uc5b4 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc804\uccb4 \uc2a4\ud399\ud2b8\ub7fc \ucd9c\ub825\uc740 \uc8fc\ubcc0 \uc628\ub3c4 \ubcc0\ub3d9\uc5d0 \uc601\ud5a5\uc744 \ubc1b\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud1b5\ud569 \uc218\uc900 \ub355\ubd84\uc5d0 785nm \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \uc218\ucc9c \uc2dc\uac04 \ub3d9\uc548 \uc791\ub3d9\ud574\ub3c4 \uc8fc\ud30c\uc218\ub97c 0.005nm \uc774\ub0b4\ub85c \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub370\uc774\ud130 \ubd84\uc11d: \ud328\ud0a4\uc9c0 \uc544\ud0a4\ud14d\ucc98 \ubc0f \uc2a4\ud399\ud2b8\ub7fc \uc131\ub2a5<\/h3>\n\n\n\n

\ub2e4\uc74c \ud45c\uc5d0\ub294 \uc801\uc0c9 \ubc0f \uadfc\uc801\uc678\uc120 \ub2e4\uc774\uc624\ub4dc\uc5d0 \ub300\ud55c \ub2e4\uc591\ud55c \ud328\ud0a4\uc9d5 \ubc0f \uc548\uc815\ud654 \uc804\ub7b5 \uac04\uc758 \uc131\ub2a5 \ucc28\uc774\uac00 \uc694\uc57d\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ub370\uc774\ud130\ub294 \u201c\ucd1d \uc2dc\uc2a4\ud15c \ube44\uc6a9\u201d\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \u201c\uad6c\uc131 \uc694\uc18c \ud488\uc9c8\u201d \uba54\ud2b8\ub9ad\uc744 \uac15\uc870\ud569\ub2c8\ub2e4.\u201d<\/p>\n\n\n\n

\ub9e4\uac1c\ubcc0\uc218<\/strong><\/td>638nm FP(TO-Can)<\/strong><\/td>638nm VBG(\ubc84\ud130\ud50c\ub77c\uc774)<\/strong><\/td>785nm FP(TO-Can)<\/strong><\/td>785nm VBG(\ubc84\ud130\ud50c\ub77c\uc774)<\/strong><\/td><\/tr><\/thead>
\uc120\ud3ed(FWHM)<\/strong><\/td>~2.0nm<\/td>< 0.1nm<\/td>~1.5nm<\/td>< 0.05nm<\/td><\/tr>
SMSR(dB)<\/strong><\/td>N\/A<\/td>> 40<\/td>N\/A<\/td>> 45<\/td><\/tr>
\ube54 \ud488\uc9c8($M^2$)<\/strong><\/td>1.3 – 1.5<\/td>< 1.1<\/td>1.2 – 1.4<\/td>< 1.1<\/td><\/tr>
$R_{th}$ (K\/W)<\/strong><\/td>25 – 40<\/td>2 – 5<\/td>15 – 30<\/td>1 – 3<\/td><\/tr>
\ud30c\uc7a5 \ub4dc\ub9ac\ud504\ud2b8<\/strong><\/td>0.2nm\/K<\/td>< 0.01nm\/K<\/td>0.3nm\/K<\/td>< 0.007nm\/K<\/td><\/tr>
\ud3ec\uc778\ud305 \uc548\uc815\uc131<\/strong><\/td>Poor<\/td>< 5 $\\mu rad\/K$<\/td>\ubcf4\ud1b5<\/td>< 5 $\\mu rad\/K$<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\uc0ac\ub840 \uc5f0\uad6c: \ubc18\ub3c4\uccb4 \uacc4\uce21\uc744 \uc704\ud55c \uc11c\ube0c\ub098\ub178\ubbf8\ud130 \uac04\uc12d\uacc4\uce21\ubc95<\/h3>\n\n\n\n

\uace0\uac1d \ubc30\uacbd:<\/p>\n\n\n\n

\ud55c \uc120\ub3c4\uc801\uc778 \ub9ac\uc18c\uadf8\ub798\ud53c \uac80\uc0ac \ub3c4\uad6c \uc81c\uc870\uc5c5\uccb4\ub294 \ubcc0\uc704 \uce21\uc815 \uac04\uc12d\uacc4\ub97c \uc704\ud574 \ub9e4\uc6b0 \uc548\uc815\uc801\uc778 638nm \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc\uac00 \ud544\uc694\ud588\uc2b5\ub2c8\ub2e4. \uc774 \uc2dc\uc2a4\ud15c\uc740 0.5\ub098\ub178\ubbf8\ud130\uc758 \ubd84\ud574\ub2a5\uc73c\ub85c \uc6e8\uc774\ud37c \uc2a4\ud14c\uc774\uc9c0\uc758 \uc704\uce58\ub97c \uce21\uc815\ud574\uc57c \ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uae30\uc220\uc801 \uacfc\uc81c:<\/p>\n\n\n\n

\uace0\uac1d\uc758 \uc774\uc804 638nm \uc18c\uc2a4\ub294 \uac70\ub9ac \uce21\uc815\uc5d0\uc11c \uc9c0\ud130\ub85c \ud574\uc11d\ub418\ub294 \ub192\uc740 \u201c\uc704\uc0c1 \ub178\uc774\uc988\u201d\ub97c \ub098\ud0c0\ub0c8\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ube54\uc758 \ud68c\uc808\uc774 \uc644\ubcbd\ud558\uac8c \uc81c\ud55c\ub418\uc9c0 \uc54a\uc544 \ube54\uc774 \uc7a5\uacbd\ub85c \uac04\uc12d\uacc4 \uc554\uc744 \ud1b5\uacfc\ud560 \ub54c \ud30c\uba74 \uc65c\uace1\uc774 \ubc1c\uc0dd\ud588\uc2b5\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \uc804\uccb4 \uacc4\uce21 \ud234\uc744 \uc790\uc8fc \uc7ac\ubcf4\uc815\ud574\uc57c \ud588\uace0, \ucd5c\uc885 \uc0ac\uc6a9\uc790\ub294 \uc218\ucc9c \ub2ec\ub7ec\uc758 \uac00\ub3d9 \uc911\ub2e8 \ube44\uc6a9\uc744 \uc9c0\ubd88\ud574\uc57c \ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uae30\uc220 \ub9e4\uac1c\ubcc0\uc218 \ubc0f \uc124\uc815:<\/strong><\/p>\n\n\n\n