{"id":4145,"date":"2026-01-21T14:09:43","date_gmt":"2026-01-21T06:09:43","guid":{"rendered":"https:\/\/laserdiode-ld.com\/?p=4145"},"modified":"2026-01-23T14:12:40","modified_gmt":"2026-01-23T06:12:40","slug":"%ea%b3%b5%ec%a7%84-%ea%b3%b5%eb%8f%99%ec%9d%84-%ec%a0%95%ec%9d%98%ed%95%98%eb%8a%94-%ec%9d%bc%ea%b4%80%ec%84%b1%ec%9d%98-%ec%95%84%ed%82%a4%ed%85%8d%ec%b2%98","status":"publish","type":"post","link":"https:\/\/laserdiode-ld.com\/ko\/%ea%b3%b5%eb%aa%85-%ea%b3%b5%eb%8f%99%ec%9d%84-%ec%a0%95%ec%9d%98%ed%95%98%eb%8a%94-%ec%9d%bc%ea%b4%80%ec%84%b1%ec%9d%98-%ec%95%84%ed%82%a4%ed%85%8d%ec%b2%98-html","title":{"rendered":"\uc77c\uad00\uc131\uc758 \uc544\ud0a4\ud14d\ucc98: \uacf5\uba85 \uacf5\uac04 \uc815\uc758\ud558\uae30"},"content":{"rendered":"

\ubc18\ub3c4\uccb4 \ud3ec\ud1a0\ub2c9\uc2a4\uc758 \uc9c4\ud654\ub294 \ub2e8\uc21c\ud55c \uad11 \ubc29\ucd9c\uc5d0\uc11c \uc2a4\ud399\ud2b8\ub7fc \ubc00\ub3c4\uc758 \uc815\ubc00\ud55c \uc870\uc791\uc73c\ub85c \uc804\ud658\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uae30\uc220 \ud3c9\uac00\uc790\uc758 \uacbd\uc6b0, \ub2e4\uc74c \uc911 \ud558\ub098\ub97c \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4. DFB \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \ubc0f FP \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \ub294 \ub2e8\uc21c\ud788 \ube44\uc6a9\uc758 \ubb38\uc81c\uac00 \uc544\ub2c8\ub77c \uacf5\uc9c4 \uacf5\ub3d9\uc758 \uadfc\ubcf8\uc801\uc778 \ubb3c\ub9ac\ud559\uc5d0 \ubfcc\ub9ac\ub97c \ub454 \uacb0\uc815\uc785\ub2c8\ub2e4. \ub450 \ub514\ubc14\uc774\uc2a4 \ubaa8\ub450 \uc591\uc790 \uc6b0\ubb3c(QW) \ud65c\uc131 \uc601\uc5ed\uc5d0 \uce90\ub9ac\uc5b4 \uc8fc\uc785\uc744 \ud1b5\ud574 \uc791\ub3d9\ud558\uc9c0\ub9cc, \uad11\ud559 \ud53c\ub4dc\ubc31\uc744 \ub2ec\uc131\ud558\ub294 \uba54\ucee4\ub2c8\uc998\uc5d0 \ub530\ub77c \uac00\uc2a4 \uac10\uc9c0, \uad11\uc12c\uc720 \ud1b5\uc2e0 \ubc0f \uc758\ub8cc \uc9c4\ub2e8\uacfc \uac19\uc774 \uc704\ud5d8\ub3c4\uac00 \ub192\uc740 \ud658\uacbd\uc5d0\uc11c \uc131\ub2a5\uc774 \uacb0\uc815\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud30c\ube0c\ub9ac-\ud398\ub85c(FP) \uc544\ud0a4\ud14d\ucc98\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uae30\ubcf8 \uc124\uacc4\ub97c \uae30\ubc18\uc73c\ub85c \ud569\ub2c8\ub2e4. \ubc18\ub3c4\uccb4 \ub808\uc774\uc800<\/a>. \uc774 \uae30\uc220\uc740 \ubc18\ub3c4\uccb4 \uacb0\uc815\uc758 \uc808\ub2e8\uba74(\uc77c\ubc18\uc801\uc73c\ub85c GaAs \ub610\ub294 InP \uae30\ubc18 \uc18c\uc7ac)\uc744 \ubd80\ubd84 \ubc18\uc0ac \uac70\uc6b8\ub85c \ud65c\uc6a9\ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \ube5b\uc774 \uc55e\ub4a4\ub85c \uc774\ub3d9\ud558\uba74\uc11c \uc790\uadf9 \ubc29\ucd9c\uc744 \ud1b5\ud574 \uc774\ub4dd\uc744 \uc5bb\ub294 \ub2e8\uc21c\ud55c \uacf5\uc9c4 \uce90\ube44\ud2f0\uac00 \uc0dd\uc131\ub429\ub2c8\ub2e4. \uadf8\ub7ec\ub098 FP \uce90\ube44\ud2f0\ub294 \ubcf8\uc9c8\uc801\uc73c\ub85c \ub2e4\uc911 \ubaa8\ub4dc\uc785\ub2c8\ub2e4. \uacf5\uba85 \uc870\uac74 $m\\lambda = 2nL$\ub97c \ub9cc\uc871\ud558\ub294 \ubaa8\ub4e0 \ud30c\uc7a5\uc744 \uc9c0\uc6d0\ud558\uba70, \uc5ec\uae30\uc11c $m$\ub294 \uc815\uc218, $n$\ub294 \uad74\uc808\ub960, $L$\ub294 \uce90\ube44\ud2f0 \uae38\uc774\uc785\ub2c8\ub2e4. \uacb0\uacfc\uc801\uc73c\ub85c FP \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/a><\/strong> \ub294 \uc885\uc885 \uc5ec\ub7ec \uc138\ub85c \ubaa8\ub4dc\ub97c \ud3ec\ud568\ud558\ub294 \ub113\uc740 \uc2a4\ud399\ud2b8\ub7fc \uc5d4\ubca8\ub85c\ud504\ub97c \ub098\ud0c0\ub0b4\ubbc0\ub85c \uc815\ubc00 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc0c1\ub2f9\ud55c \uc0c9\ucc44 \ubd84\uc0b0\uacfc \ub178\uc774\uc988\ub97c \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774\ub7ec\ud55c \uc81c\ud55c \uc0ac\ud56d\uc744 \ud574\uacb0\ud558\uae30 \uc704\ud574 DFB \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/a><\/strong> (\ubd84\uc0b0 \ud53c\ub4dc\ubc31)\uc740 \ubc18\ub3c4\uccb4\uc758 \ud65c\uc131 \uc601\uc5ed\uc5d0 \ud68c\uc808 \uaca9\uc790\ub97c \uc9c1\uc811 \ud1b5\ud569\ud569\ub2c8\ub2e4. \ud53c\ub4dc\ubc31\uc744 \uc704\ud574 \ud328\uc2ef\uc5d0 \uc758\uc874\ud558\ub294 \ub300\uc2e0 DFB \uad6c\uc870\ub294 \uc8fc\ub984\uc9c4 \uaca9\uc790\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc8fc\ud30c\uc218 \uc120\ud0dd\uc801 \ud53c\ub4dc\ubc31\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub514\ubc14\uc774\uc2a4\ub294 \ub2e8\uc77c \uc885\ub2e8 \ubaa8\ub4dc \ub808\uc774\uc800<\/a><\/strong>, \uac70\uc758 \ubaa8\ub4e0 \uad11 \ud30c\uc6cc\ub97c \ud558\ub098\uc758 \uc881\uc740 \uc2a4\ud399\ud2b8\ub7fc \ub77c\uc778\uc5d0 \uc9d1\uc911\uc2dc\ud0b5\ub2c8\ub2e4. OEM \uc81c\uc870\uc5c5\uccb4\uc5d0\uac8c FP\uc5d0\uc11c DFB\ub85c\uc758 \uc804\ud658\uc740 \u201c\ucda9\ubd84\ud55c \uc870\uba85\u201d\uc5d0\uc11c \u201c\uc2a4\ud399\ud2b8\ub7fc\uc758 \ud655\uc2e4\uc131\u201d\uc73c\ub85c\uc758 \uc804\ud658\uc785\ub2c8\ub2e4.\u201d<\/p>\n\n\n\n

\ud30c\ube0c\ub9ac-\ud398\ub85c(FP) \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc\uc758 \ubc18\ub3c4\uccb4 \ubb3c\ub9ac\ud559<\/h2>\n\n\n\n

\uadf8 FP \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \ub294 \uc2a4\ud399\ud2b8\ub7fc \ud3ed\uc774 \uc804\ub825 \ubc00\ub3c4 \ubc0f \ube44\uc6a9 \ud6a8\uc728\uc131\uc5d0 \ube44\ud574 \ubd80\ucc28\uc801\uc778 \uc694\uc18c\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc8fc\ub825 \uc81c\ud488\uc73c\ub85c \ub0a8\uc544 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\uacfc \uac19\uc740 \ub9e5\ub77d\uc5d0\uc11c 635nm \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/a><\/strong>, \ud65c\uc131\uce35\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc54c\ub8e8\ubbf8\ub284 \uac08\ub968 \uc778\ud654 \uc778\ub4d0(AlGaInP) \uc774\uc885 \uad6c\uc870\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. \ud074\ub9ac\ube0c\ub4dc \ud328\uc2ef \uce90\ube44\ud2f0(CFC) \uc124\uacc4\ub294 \uacac\uace0\ud558\uc9c0\ub9cc \u201c\ubaa8\ub4dc \ud638\ud551\u201d\uc5d0 \ucde8\uc57d\ud569\ub2c8\ub2e4.\u201d<\/p>\n\n\n\n

\uc8fc\uc785 \uc804\ub958 \ub610\ub294 \uc8fc\ubcc0 \uc628\ub3c4\uac00 \ubcc0\ud568\uc5d0 \ub530\ub77c \ubc18\ub3c4\uccb4\uc758 \uad74\uc808\ub960 $n$\uac00 \uc774\ub3d9\ud569\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \uc7ac\ub8cc\uc758 \uc774\ub4dd \ud53c\ud06c\uac00 \uce90\ube44\ud2f0\uc758 \uc885\ubc29\ud5a5 \ubaa8\ub4dc\uc640 \ub2e4\ub978 \uc18d\ub3c4\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4. \ubcf4\uc870 \ubaa8\ub4dc\uac00 1\ucc28 \ubaa8\ub4dc\ubcf4\ub2e4 \ud6a8\uc728\uc774 \ub192\uc544\uc9c0\uba74 \ub808\uc774\uc800\ub294 \ub2e4\ub978 \ud30c\uc7a5\uc73c\ub85c \u201c\ud649\u201d\ud569\ub2c8\ub2e4. \uc2dc\uac01\uc801 \uc815\ub82c\uc774\ub098 \uae30\ubcf8 \uc870\uba85\uc5d0\uc11c\ub294 \ubb34\uc2dc\ud560 \uc218 \uc788\ub294 \uc218\uc900\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc815\ubc00 \uacc4\uce21\uc5d0\uc11c \ubaa8\ub4dc \ud649\uc740 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc758 \uce58\uba85\uc801\uc778 \uc190\uc2e4\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

FP \ub808\uc774\uc800\uc758 \uc2a4\ud399\ud2b8\ub7fc \ud3ed\uc740 \uc77c\ubc18\uc801\uc73c\ub85c 1nm ~ 3nm \ubc94\uc704\uc785\ub2c8\ub2e4. \uc774 \ud3ed\uc740 \ubc18\ub3c4\uccb4\uc758 \u201c\uac8c\uc778 \ud504\ub85c\ud30c\uc77c'\uc774 \uc5ec\ub7ec \uc885\ubc29\ud5a5 \ubaa8\ub4dc\ub97c \ub3d9\uc2dc\uc5d0 \uc9c0\uc6d0\ud560 \uc218 \uc788\uc744 \ub9cc\ud07c \ucda9\ubd84\ud788 \ub113\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ucd1d \ucd9c\ub825\uc740 \uc548\uc815\uc801\uc77c \uc218 \uc788\uc9c0\ub9cc \uc774\ub7ec\ud55c \ubaa8\ub4dc \uac04\uc758 \uc804\ub825 \ubd84\ubc30\ub294 \uc9c0\uc18d\uc801\uc73c\ub85c \ubcc0\ub3d9\ud558\ub294\ub370, \uc774\ub97c \ubaa8\ub4dc \ud30c\ud2f0\uc158 \ub178\uc774\uc988(MPN)\ub77c\uace0 \ud569\ub2c8\ub2e4. \uc2dc\uc2a4\ud15c \uc124\uacc4\uc790\uc5d0\uac8c FP \ub2e4\uc774\uc624\ub4dc\ub294 \ub192\uc740 \ubcbd\uba74 \ud50c\ub7ec\uadf8 \ud6a8\uc728(WPE)\uacfc \uc2a4\ud399\ud2b8\ub7fc \ubd88\uc548\uc815\uc131\uc758 \uade0\ud615\uc744 \ub9de\ucd94\ub294 \ub370 \uc5b4\ub824\uc6c0\uc744 \uacaa\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ubd84\uc0b0 \ud53c\ub4dc\ubc31(DFB) \uba54\ucee4\ub2c8\uc998: \ub2e8\uc77c \ubaa8\ub4dc \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1<\/h2>\n\n\n\n

\uadf8 DFB \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \ub294 \uc561\ud2f0\ube0c \ub3c4\ud30c\uad00\uc758 \uae38\uc774\ub97c \ub530\ub77c \ube0c\ub798\uadf8 \uaca9\uc790\ub97c \ub3c4\uc785\ud558\uc5ec \ubaa8\ub4dc \ubd84\ud560 \ubb38\uc81c\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4. \uaca9\uc790 \uc8fc\uae30 $\\Lambda$\ub294 \ube0c\ub798\uadf8 \uc870\uac74\uc5d0 \uc758\ud574 \uc815\uc758\ub41c \ud2b9\uc815 \ud30c\uc7a5\ub9cc \ubc18\uc0ac\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n

$$\\lambda_B = 2 n_{eff} \\\ub78c\ub2e4$$<\/p>\n\n\n\n

\uc5ec\uae30\uc11c $n_{eff}$\ub294 \ub3c4\ud30c\uad00\uc758 \uc720\ud6a8 \uad74\uc808\ub960\uc785\ub2c8\ub2e4. \ud53c\ub4dc\ubc31\uc774 \uc774\ub4dd \ub9e4\uccb4 \uc804\uccb4\uc5d0 \ubd84\uc0b0\ub418\uae30 \ub54c\ubb38\uc5d0 DFB \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \ub294 \ub2e4\ub978 \ubaa8\ub4e0 \uc138\ub85c \ubaa8\ub4dc\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \uc5b5\uc81c\ud569\ub2c8\ub2e4. \uadf8 \uacb0\uacfc \ub2e8\uc77c \uc885\ub2e8 \ubaa8\ub4dc \ub808\uc774\uc800<\/strong> \uce21\uba74 \ubaa8\ub4dc \uc5b5\uc81c \ube44\uc728(SMSR)\uc774 35dB~45dB\ub97c \ucd08\uacfc\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uace0\ud488\uc9c8 DFB \ub514\ubc14\uc774\uc2a4\uc5d0\uc11c\ub294 \uaca9\uc790 \uc911\uc559\uc5d0 $\\\ub78c\ub2e4\/4$ \uc704\uc0c1 \uc804\ud658\uc774 \ub3c4\uc785\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uc774 \uc704\uc0c1 \ud3b8\uc774\ub294 \ube0c\ub798\uadf8 \ubaa8\ub4dc\uc758 \ud1f4\ud654\ub97c \ucc28\ub2e8\ud558\uc5ec \ub808\uc774\uc800\uac00 \uc815\uc9c0 \ub300\uc5ed\uc758 \ub450 \uac00\uc7a5\uc790\ub9ac\uac00 \uc544\ub2cc \ube0c\ub798\uadf8 \ud30c\uc7a5\uc5d0\uc11c \uc815\ud655\ud558\uac8c \uc9c4\ub3d9\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc81c\uc870 \uad00\uc810\uc5d0\uc11c \ubcf4\uba74, \uc774\ub97c \uc704\ud574\uc11c\ub294 \ub098\ub178\ubbf8\ud130 \uc218\uc900\uc758 \uc815\ubc00\ub3c4\ub97c \uac16\ucd98 \uc804\uc790\ube54(E-beam) \ub9ac\uc18c\uadf8\ub798\ud53c \ub610\ub294 \ud640\ub85c\uadf8\ub7a8 \uac04\uc12d \ub9ac\uc18c\uadf8\ub798\ud53c\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. DFB \ub808\uc774\uc800\uc758 \ube44\uc6a9\uc740 \uc774\ub7ec\ud55c \uc5d0\ud53c\ud0dd\uc15c \ubcf5\uc7a1\uc131\uacfc \uc5c4\uaca9\ud55c \uaca9\uc790 \uacf5\ucc28\uc640 \uad00\ub828\ub41c \ub0ae\uc740 \uc218\uc728\ub85c \uc778\ud574 FP \ub808\uc774\uc800\ubcf4\ub2e4 \ud6e8\uc52c \ub192\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

635nm \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc: AlGaInP \uc18c\uc7ac \uc2dc\uc2a4\ud15c\uc758 \ub3c4\uc804 \uacfc\uc81c<\/h2>\n\n\n\n

\uc6b4\uc601 \uc7a5\uc18c 635nm<\/strong> \ub294 \ud1b5\uc2e0 \ud30c\uc7a5(1310nm\/1550nm)\uc5d0 \ube44\ud574 \ub3c5\ud2b9\ud55c \uc18c\uc7ac \ubb38\uc81c\ub97c \uc548\uace0 \uc788\uc2b5\ub2c8\ub2e4. AlGaInP \uc18c\uc7ac \uc2dc\uc2a4\ud15c\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. 635nm \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \uc0dd\uc0b0\uc740 \uc804\ub3c4 \ub300\uc5ed \uc624\ud504\uc14b\uc774 \uc0c1\ub300\uc801\uc73c\ub85c \uc791\uc2b5\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \uce90\ub9ac\uc5b4 \ub204\ucd9c(\uc804\uc790\uac00 \ubcf5\uc0ac\uc801\uc73c\ub85c \uc7ac\uacb0\ud569\ud558\uae30 \ud6e8\uc52c \uc804\uc5d0 \uc591\uc790\uc5d0\uc11c \ube60\uc838\ub098\uac00\ub294 \ud604\uc0c1)\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uce90\ub9ac\uc5b4 \ub204\ucd9c\uc740 \uc628\ub3c4\uc5d0 \ub530\ub77c \ud06c\uac8c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc628\ub3c4\uac00 \uc0c1\uc2b9\ud568\uc5d0 \ub530\ub77c \ub204\ucd9c\uc774 \uc99d\uac00\ud558\uc5ec \uc5ed\uc804\ub958<\/strong> ($I_{th}$)\uc640 \uacbd\uc0ac \ud6a8\uc728\uc774 \uac10\uc18c\ud569\ub2c8\ub2e4. \uc758 \uacbd\uc6b0 635nm \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong>, \ub97c \uc720\uc9c0\ud558\uc5ec \ub2e8\uc77c \uc885\ub2e8 \ubaa8\ub4dc \ub808\uc774\uc800<\/strong> \ucd9c\ub825\uc5d0\ub294 \ud0c1\uc6d4\ud55c \uc5f4 \uad00\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc811\ud569\ubd80\uc5d0\uc11c \uc5f4\uc774 \ud6a8\uc728\uc801\uc73c\ub85c \uc81c\uac70\ub418\uc9c0 \uc54a\uc73c\uba74 DFB \uaca9\uc790\uc758 \ube0c\ub798\uadf8 \ud30c\uc7a5\uc774 \ub4dc\ub9ac\ud504\ud2b8(\uc77c\ubc18\uc801\uc73c\ub85c 0.06nm\/\u00b0C\uc758 \uc18d\ub3c4\ub85c)\ub418\uace0, \uc5f4 \uc751\ub825\uc73c\ub85c \uc778\ud574 \ub9bf\uc9c0 \ub3c4\ud30c\uad00\uc758 \uad6c\uc870\uc801 \ubcc0\ud615\uc774 \ubc1c\uc0dd\ud558\uba74 \ub514\ubc14\uc774\uc2a4\uac00 \ub2e8\uc77c \ubaa8\ub4dc \ud2b9\uc131\uc744 \uc783\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc0ac\ub78c\uc758 \ub208\uc740 635nm \ube5b\uc5d0 \uac70\uc758 \ub450 \ubc30 \uac00\uae4c\uc774 \ubbfc\uac10\ud558\uae30 \ub54c\ubb38\uc5d0 \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c\ub294 650nm\ubcf4\ub2e4 635nm\uac00 \uc120\ud638\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc548\uc815\uc131\uc774 \ub192\uc740 \uc81c\ud488\uc744 \uc0dd\uc0b0\ud558\uae30 \uc704\ud55c \uae30\uc220\uc801 \uc5b4\ub824\uc6c0\uc774 \uc788\uc2b5\ub2c8\ub2e4. DFB \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \uc774 \uc9e7\uc740 \ud30c\uc7a5\uc5d0\uc11c\ub294 \ud6e8\uc52c \ub354 \ub192\uae30 \ub54c\ubb38\uc5d0 \ub354 \ub192\uc740 \uad11\uc790 \uc5d0\ub108\uc9c0\uc5d0\uc11c \uce58\uba85\uc801\uc778 \uad11\ud559 \uc190\uc0c1(COD)\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ub354 \uc9c4\ubcf4\ub41c \ud328\uc2ef \ud328\uc2dc\ubca0\uc774\uc158\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uad6c\uc131 \uc694\uc18c \ubb34\uacb0\uc131\uc5d0\uc11c \ucd1d \uc2dc\uc2a4\ud15c \ube44\uc6a9\uae4c\uc9c0: OEM \ub17c\ub9ac<\/h2>\n\n\n\n

DFB \ub610\ub294 FP \ub808\uc774\uc800 \uc870\ub2ec\uc744 \uacb0\uc815\ud560 \ub54c\ub294 \u201c\uc2dc\uc2a4\ud15c \uc624\ub958 \uc608\uc0b0\u201d\uc774\ub77c\ub294 \ub80c\uc988\ub97c \ud1b5\ud574 \ubc14\ub77c\ubd10\uc57c \ud569\ub2c8\ub2e4. OEM\uc774 635nm \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \ub97c \uc758\ub8cc\uc6a9 \ud608\uc561 \ubd84\uc11d\uae30\ub098 \uace0\uc815\ubc00 \uac04\uc12d\uacc4\uc5d0 \ub3c4\uc785\ud558\uba74 \ub2e4\uc774\uc624\ub4dc \ube44\uc6a9\uc774 \uc2dc\uc2a4\ud15c \uad11\ud559 \ubca4\uce58 \ube44\uc6a9\uc758 \uc77c\ubd80\uc5d0 \ubd88\uacfc\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

FP \ubaa8\ub4dc \ud30c\ud2f0\uc158 \ub178\uc774\uc988\uc758 \uc228\uaca8\uc9c4 \ube44\uc6a9<\/h3>\n\n\n\n

\uc5d4\uc9c0\ub2c8\uc5b4\uac00 \ub354 \uc800\ub834\ud55c \ube44\uc6a9\uc744 \uc120\ud0dd\ud558\ub294 \uacbd\uc6b0 FP \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \uc2a4\ud399\ud2b8\ub7fc \uc548\uc815\uc131\uc774 \ud544\uc694\ud55c \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 \ud30c\uc7a5 \ub4dc\ub9ac\ud504\ud2b8\uc640 \uac15\ub3c4 \ubcc0\ub3d9\uc744 \uace0\ub824\ud558\uae30 \uc704\ud574 \uc678\ubd80 \ud544\ud130 \ub610\ub294 \ubcf5\uc7a1\ud55c \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc54c\uace0\ub9ac\uc998\uc73c\ub85c \ubcf4\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc678\ubd80 \uad6c\uc131 \uc694\uc18c\ub294 \uc790\uc7ac \uba85\uc138\uc11c(BOM)\ub97c \ucd94\uac00\ud558\uace0 \ub514\ubc14\uc774\uc2a4\uc758 \ubb3c\ub9ac\uc801 \uc124\uce58 \uacf5\uac04\uc744 \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4. \ub610\ud55c FP \ubaa8\ub4dc \ud638\ud551\uc73c\ub85c \uc778\ud55c \u201c\ub178\uc774\uc988 \ud50c\ub85c\uc5b4'\uc758 \uc99d\uac00\ub294 \uc804\uccb4 \uacc4\uce21\uae30\uc758 \uac10\ub3c4\ub97c \uac10\uc18c\uc2dc\ucf1c \uc7a0\uc7ac\uc801\uc73c\ub85c \ubd80\uc815\ud655\ud55c \uc9c4\ub2e8 \uacb0\uacfc\ub97c \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc7a5\uae30 \uc720\uc9c0\ubcf4\uc218 \uc2dc DFB\uc758 \uc774\uc810<\/h3>\n\n\n\n

A \ub2e8\uc77c \uc885\ub2e8 \ubaa8\ub4dc \ub808\uc774\uc800<\/strong> \ub294 \u201c\uc608\uce21 \uac00\ub2a5\ud55c\u201d \uad11\uc6d0\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ud30c\uc7a5\uc774 \ubb3c\ub9ac\uc801 \uaca9\uc790\uc5d0 \uc758\ud574 \uace0\uc815\ub418\uae30 \ub54c\ubb38\uc5d0 \ub2e4\uc774\uc624\ub4dc\uc758 \ub178\ud654(\uc77c\ubc18\uc801\uc73c\ub85c \uc784\uacc4 \uc804\ub958\uc758 \uc99d\uac00\ub85c \ub098\ud0c0\ub0a8)\ub294 FP \ub808\uc774\uc800\uc5d0\uc11c \ubcfc \uc218 \uc788\ub294 \uae09\uaca9\ud55c \uc2a4\ud399\ud2b8\ub7fc \ubcc0\ud654\ub97c \uc77c\uc73c\ud0a4\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc989, \ub2e4\uc774\uc624\ub4dc\ub97c \uc0ac\uc6a9\ud558\ub294 \uae30\uae30\ub294 DFB \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \ub294 \uc218\uba85 \uae30\uac04 \ub3d9\uc548 \ubcf4\uc815 \ud69f\uc218\uac00 \uc904\uc5b4\ub4e4\uc5b4 \ucd5c\uc885 \uc0ac\uc6a9\uc790\uc758 \u201c\ucd1d \uc18c\uc720 \ube44\uc6a9'\uc744 \ud06c\uac8c \uc808\uac10\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\uacfc \uac19\uc740 \uc81c\uc870\uc5c5\uccb4\uc5d0 \ub300\ud55c \uc2e0\ub8b0 laserdiode-ld.com<\/code> \uad6c\uc131 \uc694\uc18c\uc758 \ub2e8\uac00\ub294 \uae30\uacc4\uc758 \uc7a5\uae30\uc801\uc778 \uc2e0\ub8b0\uc131\uc5d0 \ub300\ud55c \ud22c\uc790\ub77c\ub294 \uc774\ud574\ub97c \ubc14\ud0d5\uc73c\ub85c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uae30\uc220 \ube44\uad50: DFB\uc640 FP \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/h2>\n\n\n\n

\ub2e4\uc74c \ud45c\ub294 OEM \ud1b5\ud569\uc5d0 \uc911\uc694\ud55c \uc131\ub2a5 \uba54\ud2b8\ub9ad\uc744 \uc804\ubb38\uac00 \uc218\uc900\uc73c\ub85c \ube44\uad50\ud55c \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uae30\uc220 \ub9e4\uac1c\ubcc0\uc218<\/strong><\/td>FP \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc(\ud45c\uc900)<\/strong><\/td>DFB \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc(\uc815\ubc00)<\/strong><\/td>OEM \uc124\uacc4\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5<\/strong><\/td><\/tr><\/thead>
\uc2a4\ud399\ud2b8\ub7fc \uc120\ud3ed<\/strong><\/td>1.0nm - 3.0nm<\/td>< 0.001nm(MHz \ubc94\uc704)<\/td>\ubd84\uad11\ud559\uc5d0\uc11c \ud574\uc0c1\ub3c4\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/td><\/tr>
\uc138\ub85c \ubaa8\ub4dc<\/strong><\/td>\ub2e4\uc911(\uba40\ud2f0 \ubaa8\ub4dc)<\/td>\uc2f1\uae00(SLM)<\/td>\ubd84\uc0b0 \ubc0f \ub178\uc774\uc988 \ud50c\ub85c\uc5b4\uc5d0 \uc601\ud5a5\uc744 \uc90d\ub2c8\ub2e4.<\/td><\/tr>
\uc0ac\uc774\ub4dc \ubaa8\ub4dc \uc5b5\uc81c \ube44\uc728<\/strong><\/td>N\/A(<5dB)<\/td>35dB - 50dB<\/td>\uc2e0\ud638 \ub300 \uc7a1\uc74c\ube44\uc5d0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/td><\/tr>
\ud30c\uc7a5 \ud29c\ub2dd(\uc628\ub3c4)<\/strong><\/td>0.2 - 0.3nm\/\u00b0C<\/td>0.06 - 0.08nm\/\u00b0C<\/td>DFB\ub294 \uc5f4\uc801\uc73c\ub85c 4\ubc30 \ub354 \uc548\uc815\uc801\uc785\ub2c8\ub2e4.<\/td><\/tr>
\ubaa8\ub4dc \ud638\ud551<\/strong><\/td>\uc790\uc8fc<\/td>\uc874\uc7ac\ud558\uc9c0 \uc54a\uc74c(\ubc94\uc704 \ub0b4)<\/td>\ub370\uc774\ud130 \uc5f0\uc18d\uc131\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4.<\/td><\/tr>
\uc77c\ubc18\uc801\uc778 SMSR<\/strong><\/td>\ubb34\uc2dc\ud560 \uc218 \uc788\uc74c<\/td>> 40dB<\/td>\uac04\uc12d\uc744 \ud53c\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/td><\/tr>
\uc0c1\ub300 \uac15\ub3c4 \ub178\uc774\uc988<\/strong><\/td>\ub192\uc74c(-130dB\/Hz)<\/td>\ub0ae\uc74c(-155dB\/Hz)<\/td>\ud0d0\uc9c0 \ud55c\ub3c4\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\uae30\uc220 \ubc94\uc704 \ud655\uc7a5: \ud2b8\ub798\ud53d\uc774 \ub9ce\uc740 \uc2dc\ub9e8\ud2f1 \ub4dc\ub77c\uc774\ubc84<\/h2>\n\n\n\n

\ub808\uc774\uc800 \uae30\ubc18 \uc2dc\uc2a4\ud15c\uc744 \uc644\uc804\ud788 \ucd5c\uc801\ud654\ud558\ub824\uba74 \ud575\uc2ec \ud0a4\uc6cc\ub4dc\ub97c \ub118\uc5b4 \ub808\uc774\uc800 \uc131\ub2a5\uc758 \uc138 \uac00\uc9c0 \ucd95\uc744 \uc774\ud574\ud574\uc57c \ud569\ub2c8\ub2e4:<\/p>\n\n\n\n

    \n
  1. \uc0ac\uc774\ub4dc \ubaa8\ub4dc \uc5b5\uc81c \ube44\uc728(SMSR):<\/strong> \uc774\uac83\uc740 \uae30\ubcf8 \uc138\ub85c \ubaa8\ub4dc\uc758 \uc804\ub825\uacfc \uac00\uc7a5 \uac15\ud55c \uce21\uba74 \ubaa8\ub4dc\uc758 \uc804\ub825\uc758 \ube44\uc728\uc785\ub2c8\ub2e4. \uc5d0\uc11c DFB \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong>, \ub192\uc740 SMSR\uc740 \uaca9\uc790\ubb34\ub2ac\uc758 \ud488\uc9c8\uc744 \ub098\ud0c0\ub0b4\ub294 \uc8fc\uc694 \uc9c0\ud45c\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n
  2. \uc784\uacc4 \uc804\ub958 \ubc00\ub3c4($J_{th}$):<\/strong> \uc774\ub294 \uc591\uc790 \uc6b0\ubb3c \uad6c\uc870\uc758 \ud6a8\uc728\uc744 \uce21\uc815\ud569\ub2c8\ub2e4. $J_{th}$\uac00 \ub0ae\uc744\uc218\ub85d 635nm \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> \ub294 \uc6b0\uc218\ud55c \uc5d0\ud53c\ud0dd\uc15c \uc131\uc7a5\uacfc \ube44\ubc29\uc0ac\uc120 \uc7ac\uacb0\ud569 \uc13c\ud130\uc758 \uc218\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n\n\n\n
  3. \uc5f4 \ud29c\ub2dd \uacc4\uc218:<\/strong> \ub808\uc774\uc800 \ud30c\uc7a5\uc758 \u201c\ud29c\ub2dd'\uc5d0 \uc758\uc874\ud558\ub294 \uc13c\uc11c(\uc608: TDLAS)\uc758 \uacbd\uc6b0 \uc628\ub3c4\uc5d0 \ub530\ub77c \ud30c\uc7a5\uc774 \uc5b4\ub5bb\uac8c \uc6c0\uc9c1\uc774\ub294\uc9c0\uc5d0 \ub300\ud55c \uc608\uce21 \uac00\ub2a5\uc131\uc774 \uac00\uc7a5 \uc911\uc694\ud569\ub2c8\ub2e4. DFB \ub808\uc774\uc800\ub294 \uc120\ud615\uc801\uc774\uace0 \uc608\uce21 \uac00\ub2a5\ud55c \ud29c\ub2dd \uace1\uc120\uc744 \uc81c\uacf5\ud558\ub294 \ubc18\uba74, FP \ub808\uc774\uc800\ub294 \uc608\uce21\ud560 \uc218 \uc5c6\ub294 \ub2e8\uacc4\ub85c \uc6c0\uc9c1\uc785\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n

    \uc0ac\ub840 \uc5f0\uad6c: \uacf5\ucd08\uc810 \ub808\uc774\uc800 \uc8fc\uc0ac \ud604\ubbf8\uacbd(CLSM)\uc758 635nm DFB \ub808\uc774\uc800<\/h2>\n\n\n\n

    \ud074\ub77c\uc774\uc5b8\ud2b8 \ubc30\uacbd<\/h3>\n\n\n\n

    \uc138\ud3ec \uc774\ubbf8\uc9d5\uc6a9 \uace0\ud574\uc0c1\ub3c4 \uacf5\ucd08\uc810 \ud604\ubbf8\uacbd \uc81c\uc870\uc5c5\uccb4\ub294 \ud45c\uc900\uc744 \uc0ac\uc6a9\ud558\uace0 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. 635nm \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/strong> (FP \uc720\ud615)\uc744 \ud615\uad11 \uc5fc\ub8cc\uc758 \uc5ec\uae30 \uc18c\uc2a4\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

    \uae30\uc220\uc801 \uacfc\uc81c<\/h3>\n\n\n\n

    \uc774 \uace0\uac1d\uc740 \ub450 \uac00\uc9c0 \uc8fc\uc694 \ubb38\uc81c\uc5d0 \uc9c1\uba74\ud588\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n