{"id":4189,"date":"2026-02-07T15:05:46","date_gmt":"2026-02-07T07:05:46","guid":{"rendered":"https:\/\/laserdiode-ld.com\/?p=4189"},"modified":"2026-01-26T13:21:29","modified_gmt":"2026-01-26T05:21:29","slug":"1550nm-%ea%b4%91%ec%84%ac%ec%9c%a0-%ea%b2%b0%ed%95%a9%ed%98%95-%ea%b4%91-%ec%88%98%ec%8b%a0%ea%b8%b0-%eb%b0%8f-%ed%94%bc%ea%b7%b8%ed%85%8c%ec%9d%bc-led-%ec%97%94%ec%a7%80%eb%8b%88%ec%96%b4%eb%a7%81","status":"publish","type":"post","link":"https:\/\/laserdiode-ld.com\/ko\/1550nm-%ea%b4%91%ec%84%ac%ec%9c%a0-%ea%b2%b0%ed%95%a9-%ea%b4%91-%ec%88%98%ec%8b%a0%ea%b8%b0-%eb%b0%8f-%ed%94%bc%ea%b7%b8%ed%85%8c%ec%9d%bc-led-%ec%97%94%ec%a7%80%eb%8b%88%ec%96%b4%eb%a7%81-%ec%84%a4","title":{"rendered":"1550nm \uad11\uc12c\uc720 \uacb0\ud569 \uad11 \uc218\uc2e0\uae30 \ubc0f \ud53c\uadf8\ud14c\uc77c LED \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc124\uacc4"},"content":{"rendered":"

1550nm \ud1b5\uc2e0 \ucc3d: \uc800\uc190\uc2e4 \uc804\uc1a1\uc758 \ubb3c\ub9ac\uc801 \ud1a0\ub300<\/h2>\n\n\n\n

\ud3ec\ud1a0\ub2c9\uc2a4\uc758 \uc2a4\ud399\ud2b8\ub7fc \ud658\uacbd\uc5d0\uc11c 1550nm \ud30c\uc7a5\uc740 \uc7a5\uac70\ub9ac \ubc0f \uace0\uc815\ubc00 \uad11\ud559 \uc2dc\uc2a4\ud15c\uc744 \uc704\ud55c \u201c\uace8\ub4e0 \uc708\ub3c4\uc6b0'\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc120\ud638\ub3c4\ub294 \uc790\uc758\uc801\uc778 \uac83\uc774 \uc544\ub2c8\ub77c \uc2e4\ub9ac\uce74 \uae30\ubc18 \uc720\ub9ac\uc758 \uae30\ubcf8\uc801\uc778 \ubb3c\ub9ac\uc801 \ud2b9\uc131\uc5d0 \uc758\ud574 \uacb0\uc815\ub429\ub2c8\ub2e4. \ub0b4\uc5d0\uc11c 1550nm \uad11\ucf00\uc774\ube14<\/strong> \uc0dd\ud0dc\uacc4\uc5d0\uc11c \uac10\uc1e0\ub294 \ud30c\uc7a5\uc758 4\uc81c\uacf1\uc5d0 \ub530\ub77c \uac10\uc18c\ud558\ub294 \ub77c\uc77c\ub9ac \uc0b0\ub780\uacfc \ubd84\uc790 \uc9c4\ub3d9\uc73c\ub85c \uc778\ud55c \uc801\uc678\uc120 \ud761\uc218 \uc0ac\uc774\uc758 \uade0\ud615\uc73c\ub85c \uc778\ud574 \uc774\ub860\uc0c1 \ucd5c\uc18c\uce58\uc778 \uc57d 0.2dB\/km\uc5d0 \ub3c4\ub2ec\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uace0\uae09 \uac10\uc9c0 \ub610\ub294 \ud1b5\uc2e0 \ud558\ub4dc\uc6e8\uc5b4\ub97c \uac1c\ubc1c\ud558\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\uc758 \uacbd\uc6b0, \ub354 \uc9e7\uc740 \ud30c\uc7a5(\uc608: 850nm \ub610\ub294 1310nm)\uc5d0\uc11c \ub2e4\uc74c\uacfc \uac19\uc774 \uc804\ud658\ud574\uc57c \ud569\ub2c8\ub2e4. 1550nm \uad11\ucf00\uc774\ube14<\/a><\/strong> \uc2dc\uc2a4\ud15c\uc758 \uc6d0\ub3d9\ub825\uc740 \ub2e8\uc21c\ud788 \uc190\uc2e4\uc774 \uc801\ub2e4\ub294 \uac83 \uc774\uc0c1\uc785\ub2c8\ub2e4. 1550nm\uc5d0\uc11c\ub294 \ube5b\uc774 \ub9dd\ub9c9\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc804\uc5d0 \uc548\uad6c\uc561\uc774 \uc5d0\ub108\uc9c0\ub97c \ud761\uc218\ud558\uae30 \ub54c\ubb38\uc5d0 \uac00\uc2dc\uad11\uc120 \uc2a4\ud399\ud2b8\ub7fc\uc5d0 \ube44\ud574 \ud6e8\uc52c \ub192\uc740 \ucd9c\ub825 \uc218\uc900\uc5d0\uc11c \u201c\ub208\uc5d0 \uc548\uc804'\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c LIDAR \ubc0f \uc6d0\uaca9 \uac10\uc9c0 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ub354 \ub192\uc740 \ucd9c\ub825\uc744 \ubc29\ucd9c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 1550nm\ub85c \uc774\ub3d9\ud558\ub824\uba74 \uc2e4\ub9ac\ucf58 \uae30\ubc18 \uac80\ucd9c\uae30\uc5d0\uc11c \uc778\ub4d0 \uac08\ub968 \ube44\uc18c(InGaAs)\ub85c \uc804\ud658\ud558\ub294 \uc7ac\ub8cc \uacfc\ud559\uc758 \uc644\uc804\ud55c \uc804\ud658\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uad11\uc12c\uc720 \uacb0\ud569\ud615 \uad11 \uc218\uc2e0\uae30<\/a><\/strong>, \ubc0f \uad11\uc6d0\uc744 \uc704\ud55c \ubcf5\uc7a1\ud55c \uc0bc\uc6d0 \ub610\ub294 \uc0ac\uc6d0 \ubc18\ub3c4\uccb4 \ud569\uae08\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

\uac10\uc9c0\uc758 \ubb3c\ub9ac\ud559: \uad11\uc12c\uc720 \uacb0\ud569 \uad11 \uc218\uc2e0\uae30<\/h2>\n\n\n\n

C-\ubc34\ub4dc\uc758 \ubaa8\ub4e0 \uc2e0\ud638 \ubcf5\uad6c \uc2dc\uc2a4\ud15c\uc758 \ud575\uc2ec\uc740 \uad11\uc12c\uc720 \uacb0\ud569\ud615 \uad11 \uc218\uc2e0\uae30<\/strong>. \ubc8c\ud06c \uad11\ud559 \uac10\uc9c0\uae30\uc640\ub294 \ub2ec\ub9ac \uad11\ucf00\uc774\ube14 \uacb0\ud569 \ubaa8\ub4c8\uc740 \ub2e8\uc77c \ubaa8\ub4dc \uad11\ucf00\uc774\ube14\uc758 10\ub9c8\uc774\ud06c\ub85c\ubbf8\ud130 \ubbf8\ub9cc \ucf54\uc5b4\uc640 \ubc18\ub3c4\uccb4 \ud65c\uc131 \uc601\uc5ed\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \uc778\ud130\ud398\uc774\uc2a4\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \uc778\ud130\ud398\uc774\uc2a4\ub294 \uac00\uc7a5 \uc911\uc694\ud55c \uc2e0\ud638 \ub300 \uc7a1\uc74c\ube44(SNR) \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud558\ub294 \uacf3\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

InGaAs\uc758 \uc591\uc790 \ud6a8\uc728 \ubc0f \uc751\ub2f5\uc131<\/h3>\n\n\n\n

InGaAs PIN \uad11 \ub2e4\uc774\uc624\ub4dc\uc758 \uac10\uc9c0 \uba54\ucee4\ub2c8\uc998\uc740 \ub0b4\ubd80 \uad11\uc804 \ud6a8\uacfc\uc5d0 \uc758\uc874\ud569\ub2c8\ub2e4. \uc5d0\ub108\uc9c0 $E = h\\nu$\ub97c \uac00\uc9c4 \uad11\uc790\uac00 \ubc18\ub3c4\uccb4\uc758 \uace0\uc720 \uc601\uc5ed\uc5d0 \ubd80\ub52a\ud790 \ub54c, \ubc34\ub4dc\uac2d $E_g$\ub97c \uc5f0\uacb0\ud558\uae30\uc5d0 \ucda9\ubd84\ud55c \uc5d0\ub108\uc9c0\ub97c \uac00\uc838\uc57c \ud569\ub2c8\ub2e4. InGaAs\uc758 \uacbd\uc6b0 \uc774 \ubc34\ub4dc\uac2d\uc740 \uc57d 0.75eV\ub85c \uc124\uacc4\ub418\uc5b4 1.0~1.7\ub9c8\uc774\ud06c\ub85c\ubbf8\ud130 \ubc94\uc704\uc5d0\uc11c \ub9e4\uc6b0 \ubbfc\uac10\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc218\uc2e0\uae30\uc758 \uc751\ub2f5\uc131 $R$\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ub418\ub294 \uc911\uc694\ud55c \uba54\ud2b8\ub9ad\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n

$$R = \\frac{\\eta q}{h \\nu} = \\frac{\\eta \\lambda}{1.24}$$<\/p>\n\n\n\n

\uc5ec\uae30\uc11c $\\eta$\ub294 \uc591\uc790 \ud6a8\uc728, $q$\ub294 \uc804\uc790 \uc804\ud558, $\\lambda$\ub294 \ub9c8\uc774\ud06c\ub85c\ubbf8\ud130 \ub2e8\uc704\uc758 \ud30c\uc7a5\uc785\ub2c8\ub2e4. \uace0\ud488\uc9c8 \uad11\uc12c\uc720 \uacb0\ud569 \uad11 \uc218\uc2e0\uae30\uc5d0\uc11c \uc591\uc790 \ud6a8\uc728\uc740 \uc885\uc885 80%\ub97c \ucd08\uacfc\ud558\uc5ec 1550nm\uc5d0\uc11c 0.9 A\/W \uc774\uc0c1\uc758 \uc751\ub2f5\uc131 \uac12\uc73c\ub85c \uc774\uc5b4\uc9d1\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ub178\uc774\uc988 \ud50c\ub85c\uc5b4\uac00 \ub108\ubb34 \ub192\uc73c\uba74 \ub192\uc740 \uc751\ub2f5\uc131\uc740 \uc4f8\ubaa8\uac00 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc554\uc804\ub958 \ubc0f \uae30\uc0dd \ucee4\ud328\uc2dc\ud134\uc2a4\uc758 \uc601\ud5a5<\/h3>\n\n\n\n

\ubd80\ud488 \ud488\uc9c8 \uad00\uc810\uc5d0\uc11c \u201c\uc554\uc804\ub958\u201d($I_d$)\ub294 \uc815\ubc00\ub3c4\uc758 \uac00\uc7a5 \ud070 \uc801\uc785\ub2c8\ub2e4. \uc554\uc804\ub958\ub294 \uc644\uc804\ud55c \uc5b4\ub460 \uc18d\uc5d0\uc11c\ub3c4 \uc218\uc2e0\uae30\ub97c \ud1b5\ud574 \ud750\ub974\ub294 \uc794\ub958 \uc804\ub958\uc785\ub2c8\ub2e4. \uc554\uc804\ub958\ub294 \ubc18\ub3c4\uccb4 \uc131\uc7a5 \ud488\uc9c8\uc758 \ud568\uc218\uc774\uba70, InGaAs \uaca9\uc790\uc758 \uacb0\ud568\uc740 \uce90\ub9ac\uc5b4\uc758 \uc5f4 \uc0dd\uc131\uc744 \ucd09\uc9c4\ud558\ub294 \uc911\uac04 \uc5d0\ub108\uc9c0 \uc0c1\ud0dc\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub610\ud55c \uc218\uc2e0\uae30\uc758 \u201c\ud65c\uc131 \uc601\uc5ed\u201d \ud06c\uae30\uc5d0\ub294 \uc0c1\ucda9 \uad00\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ud65c\uc131 \uc601\uc5ed\uc774 \ud074\uc218\ub85d(\uc608: 500\ub9c8\uc774\ud06c\ub85c\ubbf8\ud130) \uad11\ucf00\uc774\ube14 \uc815\ub82c\uc774 \ub354 \uc26c\uc6cc\uc9c0\uc9c0\ub9cc \uae30\uc0dd \ucee4\ud328\uc2dc\ud134\uc2a4\uac00 \uc99d\uac00\ud569\ub2c8\ub2e4. \ub192\uc740 \ucee4\ud328\uc2dc\ud134\uc2a4\ub294 \uc800\uc5ed \ud1b5\uacfc \ud544\ud130\ub85c \uc791\uc6a9\ud558\uc5ec \uc2dc\uc2a4\ud15c\uc758 \ub300\uc5ed\ud3ed\uc744 \uc2ec\uac01\ud558\uac8c \uc81c\ud55c\ud569\ub2c8\ub2e4. \uace0\uc18d 1550nm \uad11\ucf00\uc774\ube14 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \uad11\ucf00\uc774\ube14\uc758 \ubc1c\uc0b0 \ucd9c\ub825\uc744 \uc548\uc815\uc801\uc73c\ub85c \ucea1\ucc98\ud560 \uc218 \uc788\ub294 \uac00\ub2a5\ud55c \uac00\uc7a5 \uc791\uc740 \ud65c\uc131 \uc601\uc5ed\uc744 \uac00\uc9c4 \uc218\uc2e0\uae30\ub97c \uc120\ud0dd\ud574\uc57c \ud558\uba70, \uc77c\ubc18\uc801\uc73c\ub85c \uc218\uc2e0\uae30 \ud328\ud0a4\uc9c0 \ub0b4\ubd80\uc5d0 \uc815\ubc00 \ube44\uad6c\uba74 \ub80c\uc988\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ubc29\ucd9c \uc6d0\ub9ac: \uad11\uc12c\uc720 \ud53c\uadf8\ud14c\uc77c LED\uc758 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1<\/h2>\n\n\n\n

\ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc\ub294 \ub192\uc740 \ucd9c\ub825\uacfc \uc77c\uad00\uc131\uc744 \uc81c\uacf5\ud558\uc9c0\ub9cc, \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc\ub294 \ud30c\uc774\ubc84 \ud53c\uadf8\ud14c\uc77c LED<\/a><\/strong> \ub294 \uad11\uac04\uc12d \ub2e8\uce35 \ucd2c\uc601(OCT) \ub610\ub294 \ud2b9\uc815 \uc720\ud615\uc758 \uad11\uc12c\uc720 \uc790\uc774\ub85c\uc2a4\ucf54\ud504\uc640 \uac19\uc774 \ub0ae\uc740 \uc2dc\uac04\uc801 \uc77c\uad00\uc131\uacfc \ub192\uc740 \uc548\uc815\uc131\uc774 \ud544\uc694\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc5c6\uc5b4\uc11c\ub294 \uc548 \ub420 \ud544\uc218 \uc694\uc18c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

LED \ucee4\ud50c\ub9c1\uc758 \uc5d0\ud150\ub4c0 \uacfc\uc81c<\/h3>\n\n\n\n

\uc8fc\uc694 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc7a5\uc560\ubb3c \ud30c\uc774\ubc84 \ud53c\uadf8\ud14c\uc77c LED<\/strong> \ub294 \u201c\uc5d0\ud150\ub4c0\u201d \ub610\ub294 \u201c\uba74\uc801-\uc2e4\uac01 \uacf1\u201d\uc758 \ubcf4\uc874\uc785\ub2c8\ub2e4. LED\ub294 \ub7a8\ubc84\uc2dc\uc548 \ubc1c\uad11\uccb4\ub85c\uc11c 180\ub3c4 \ub113\uc740 \ubc18\uad6c\uc5d0 \uac78\uccd0 \ube5b\uc744 \ubc29\ucd9c\ud569\ub2c8\ub2e4. \uc774 \ud655\uc0b0\uad11\uc744 \ub2e8\uc77c \ubaa8\ub4dc\ub85c \uacb0\ud569\ud558\uba74 1550nm \uad11\ucf00\uc774\ube14<\/a><\/strong> \uc758 \uc218\uce58 \uc870\ub9ac\uac1c(NA)\uac00 \uc57d 0.14\uc778 \uac83\uc740 \ubcf8\uc9c8\uc801\uc73c\ub85c \ube44\ud6a8\uc728\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774\ub97c \uadf9\ubcf5\ud558\uae30 \uc704\ud574 \uc81c\uc870\uc5c5\uccb4\ub294 \u201c\uc5d0\uc9c0 \ubc1c\uad11 LED(ELED)\u201d \ub610\ub294 \u201c\uc288\ud37c \ubc1c\uad11 LED(SLED)\u201d \uc544\ud0a4\ud14d\ucc98\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ud45c\uc900 \ud45c\uba74 \ubc1c\uad11 LED\uc640 \ub2ec\ub9ac ELED\ub294 \ube5b\uc744 \uc881\uc740 \uc811\ud569\uce35\uc73c\ub85c \uc81c\ud55c\ud569\ub2c8\ub2e4. \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc<\/a> \ud558\uc9c0\ub9cc \uad11\ud559 \ud53c\ub4dc\ubc31 \ubbf8\ub7ec\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. \uadf8 \uacb0\uacfc \ub9c8\uc774\ud06c\ub85c \uad11\ud559\uc73c\ub85c \ucea1\ucc98\ud558\uc5ec \uad11\uc12c\uc720 \ud53c\uadf8\ud14c\uc77c\ub85c \ubc1c\uc0ac\ud560 \uc218 \uc788\ub294 \ub354 \ub9ce\uc740 \ubc29\ud5a5\uc131 \ube54\uc774 \uc0dd\uc131\ub429\ub2c8\ub2e4. \ud488\uc9c8\uc740 \ud30c\uc774\ubc84 \ud53c\uadf8\ud14c\uc77c LED<\/strong> \ub294 \ucd1d \uad11\uc18d\uc774 \uc544\ub2cc \u201c\uacb0\ud569\ub41c \uad11\uc18d'\uc73c\ub85c \ud310\ub2e8\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc2a4\ud399\ud2b8\ub7fc \ud3ed \ubc0f \uc0c9 \ubd84\uc0b0<\/h3>\n\n\n\n

\uc758 \ub69c\ub837\ud55c \uc7a5\uc810 \uc911 \ud558\ub098\ub294 \ud30c\uc774\ubc84 \ud53c\uadf8\ud14c\uc77c LED<\/strong> \ub294 1550nm\uc758 \ub113\uc740 \uc2a4\ud399\ud2b8\ub7fc \ud3ed(\uc77c\ubc18\uc801\uc73c\ub85c 30nm~100nm)\uc744 \uc790\ub791\ud569\ub2c8\ub2e4. \uac10\uc9c0 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc774 \ub113\uc740 \uc2a4\ud399\ud2b8\ub7fc\uc740 \u201c\uc5bc\ub8e9 \ub178\uc774\uc988'\uc640 \uac04\uc12d \uc544\ud2f0\ud329\ud2b8\ub97c \uc904\uc5ec\uc90d\ub2c8\ub2e4. \uadf8\ub7ec\ub098 1550nm \uad11\ucf00\uc774\ube14<\/strong> \uc804\uc1a1\uc758 \uacbd\uc6b0, \uc774 \ub113\uc740 \ubc94\uc704\ub294 \uc0c1\ub2f9\ud55c \uc0c9 \ubd84\uc0b0\uc73c\ub85c \uc774\uc5b4\uc9d1\ub2c8\ub2e4. LED \uc2a4\ud399\ud2b8\ub7fc \ub0b4\uc758 \uc11c\ub85c \ub2e4\ub978 \ud30c\uc7a5\uc774 \uad11\uc12c\uc720\ub97c \ud1b5\ud574 \uc11c\ub85c \ub2e4\ub978 \uc18d\ub3c4\ub85c \uc774\ub3d9\ud558\uc5ec \ud384\uc2a4 \ud655\uc7a5\uc744 \uc77c\uc73c\ud0b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc774\uc720\ub85c \ud53c\uadf8\ud14c\uc77c LED\ub294 \uc7a5\uac70\ub9ac \ud1b5\uc2e0\ubcf4\ub2e4\ub294 \ub2e8-\uc911\uac70\ub9ac \uac10\uc9c0\uc6a9\uc73c\ub85c \uc120\ud638\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uad6c\uc131 \uc694\uc18c \ud488\uc9c8\uc5d0\uc11c \ucd1d \uc2dc\uc2a4\ud15c \ube44\uc6a9\uae4c\uc9c0: \u201c\uc2e0\ub8b0\uc131 \uc6b0\uc120\u201d \uad00\uc810<\/h2>\n\n\n\n

\ub2e4\uc74c\uacfc \uac19\uc740 \ucef4\ud3ec\ub10c\ud2b8\ub97c \uc18c\uc2f1\ud560 \ub54c \uad11\uc12c\uc720 \uacb0\ud569\ud615 \uad11 \uc218\uc2e0\uae30<\/strong> \ub610\ub294 \ud30c\uc774\ubc84 \ud53c\uadf8\ud14c\uc77c LED<\/strong>, \uad6c\ub9e4\uc790\ub294 \uc885\uc885 \u201cmW\ub2f9 \uac00\uaca9\u201d \ub610\ub294 \u201c\ub2e8\uc704\ub2f9 \uac00\uaca9\u201d\uc5d0 \uc9d1\uc911\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc0b0\uc5c5 \ubc0f \uc758\ub8cc \ubd84\uc57c\uc5d0\uc11c\ub294 \u201c\uc2e4\ud328 \ube44\uc6a9\u201d\uc5d0 \ub530\ub77c \uc2e4\uc81c \ube44\uc6a9\uc774 \uacb0\uc815\ub429\ub2c8\ub2e4.\u201d<\/p>\n\n\n\n

\ud488\uc9c8\uc774 \ub0ae\uc740 \ud30c\uc774\ubc84 \uacb0\ud569 \ubaa8\ub4c8\uc740 \uc885\uc885 \uc5d0\ud3ed\uc2dc \uae30\ubc18 \uc815\ub82c\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \uc5f4 \uc21c\ud658\uc73c\ub85c \uc778\ud574 \uc5d0\ud3ed\uc2dc\uac00 \ud33d\ucc3d \ubc0f \uc218\ucd95\ud558\uc5ec \u201c\uc815\ub82c \ub4dc\ub9ac\ud504\ud2b8\u201d\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uac10\uc9c0\uae30\ub97c \uae30\uc900\uc73c\ub85c \uad11\ucf00\uc774\ube14 \uc704\uce58\uac00 2\ub9c8\uc774\ud06c\ub85c\ubbf8\ud130\ub9cc \uc774\ub3d9\ud574\ub3c4 \uc2e0\ud638\uac00 3dB(50%) \uc190\uc2e4\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9e4\ub9bd\ud615 \uc778\ud504\ub77c \uc13c\uc11c \ub610\ub294 \uc218\uc220\uc6a9 \ub808\uc774\uc800 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc774\ub7ec\ud55c \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud558\uba74 \uc218\ub9ac \ub610\ub294 \uc7ac\ubcf4\uc815 \ube44\uc6a9\uc774 \ubd80\ud488\uc758 \ucd08\uae30 \uc808\uac10\uc561\uc744 \ud6e8\uc52c \ucd08\uacfc\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774\uc640 \ub300\uc870\uc801\uc73c\ub85c \uc804\ubb38\uac00\uae09 \ubaa8\ub4c8\uc740 \ub808\uc774\uc800 \uc6a9\uc811 \u201c\ubc84\ud130\ud50c\ub77c\uc774\u201d \ub610\ub294 \u201cTO-can\u201d \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ub808\uc774\uc800 \uc6a9\uc811\uc740 \uac00\uc2a4 \ubc30\ucd9c\uacfc \uc2b5\uae30 \uce68\ud22c\uc5d0 \uc601\ud5a5\uc744 \ubc1b\uc9c0 \uc54a\ub294 \uc601\uad6c\uc801\uc778 \ubb34\uae30 \uacb0\ud569\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c 1550nm \uad11\ucf00\uc774\ube14<\/strong> \uc778\ud130\ud398\uc774\uc2a4\ub294 \uc218\uc2ed \ub144 \ub3d9\uc548 \uc548\uc815\uc801\uc73c\ub85c \uc720\uc9c0\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc0ac\ub840 \uc5f0\uad6c: \uc0b0\uc5c5 \uc815\uc720 \uacf5\uc7a5\uc758 \uace0\uac10\ub3c4 \uba54\ud0c4 \uac10\uc9c0<\/h2>\n\n\n\n

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

\uc0b0\uc5c5\uc6a9 \uac00\uc2a4 \uc548\uc804 \uc2dc\uc2a4\ud15c \uc81c\uc870\uc5c5\uccb4\ub294 \uae30\uc874 1550nm \uad11\ucf00\uc774\ube14 \uc778\ud504\ub77c\ub97c \uc0ac\uc6a9\ud558\uc5ec 2km \uac70\ub9ac\uc5d0\uc11c \uba54\ud0c4 \ub204\ucd9c\uc744 \uac10\uc9c0\ud558\ub294 \uc6d0\uaca9 \uac10\uc9c0 \uc194\ub8e8\uc158\uc774 \ud544\uc694\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

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

\uba54\ud0c4\uc740 1650nm\uc5d0 \uac00\uae4c\uc6b4 \ud2b9\uc815 \ud761\uc218\uc120\uc744 \uac00\uc9c0\uace0 \uc788\uc9c0\ub9cc, \uc774 \uc2dc\uc2a4\ud15c\uc740 \ucc38\uc870\uc6a9\uc73c\ub85c 1550nm \u201c\uc0ac\uc774\ub4dc \ubc34\ub4dc\u201d\ub97c \uc0ac\uc6a9\ud588\uc2b5\ub2c8\ub2e4. \ubb38\uc81c\ub294 \uc6d0\uaca9 \uac00\uc2a4 \uc804\uc9c0\uc5d0\uc11c \ub098\uc624\ub294 \uadf9\ub3c4\ub85c \ub0ae\uc740 \ubc18\uc0ac \uc2e0\ud638\uc600\uc2b5\ub2c8\ub2e4. \uc2dc\uc2a4\ud15c\uc774 \ud544\uc694\ud588\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n

    \n
  • A \uad11\uc12c\uc720 \uacb0\ud569\ud615 \uad11 \uc218\uc2e0\uae30<\/strong> \ud53c\ucf54\uc640\ud2b8 \uc218\uc900\uc758 \uc2e0\ud638\ub97c \uac10\uc9c0\ud558\ub294 \ucd08\uc800\uc7a1\uc74c \ub4f1\uac00 \uc804\ub825(NEP)\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n
  • A \ud30c\uc774\ubc84 \ud53c\uadf8\ud14c\uc77c LED<\/strong> \ub97c \uc0ac\uc6a9\ud558\uc5ec \uae30\uc900 \uc2e0\ud638\uac00 \ub4dc\ub9ac\ud504\ud2b8\ud558\uc9c0 \uc54a\uace0 \uac00\uc2a4 \ud761\uc218 \ud53c\ud06c\ub97c \ubaa8\ubc29\ud558\uc9c0 \uc54a\ub3c4\ub85d \ub192\uc740 \uc2a4\ud399\ud2b8\ub7fc \uc548\uc815\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n
  • \uad11\ubc18\uc1a1\uc190\uc2e4(ORL)\uc744 \ucd5c\uc18c\ud654\ud558\uc5ec \uad11\ucf00\uc774\ube14 \ub8e8\ud504\uc5d0\uc11c \uace0\uc2a4\ud2b8 \uc2e0\ud638\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

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

      \n
    • Source:<\/strong> G.652.D \ub2e8\uc77c \ubaa8\ub4dc \uad11\ucf00\uc774\ube14\uc5d0 1550nm SLED(\ucd08\ubc1c\uad11 LED)\ub97c \ud53c\uadf8\ud14c\uc77c\ub85c \uc5f0\uacb0\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n
    • \uc218\uc2e0\uae30:<\/strong> InGaAs PIN-TIA(\ud2b8\ub79c\uc2a4 \uc784\ud53c\ub358\uc2a4 \uc99d\ud3ed\uae30) \ud1b5\ud569 \uc218\uc2e0\uae30.<\/li>\n\n\n\n
    • NEP:<\/strong> $5 \\times 10^{-15} \\\ud14d\uc2a4\ud2b8{ W\/Hz}^{1\/2}$.<\/li>\n\n\n\n
    • \ucee4\ud50c\ub9c1:<\/strong> 6\ucd95 \ub85c\ubd07 \uc2a4\ud14c\uc774\uc158\uc744 \ud1b5\ud55c \uc561\ud2f0\ube0c \uc5bc\ub77c\uc778\uba3c\ud2b8, Nd:YAG \ub808\uc774\uc800 \uc6a9\uc811\uc73c\ub85c \uace0\uc815.<\/li>\n<\/ul>\n\n\n\n

      \ud488\uc9c8 \uad00\ub9ac(QC) \uc194\ub8e8\uc158:<\/p>\n\n\n\n

      \ubaa8\ub4e0 \uad11\uc12c\uc720 \uacb0\ud569 \uad11 \uc218\uc2e0\uae30\ub97c -20\u00b0C\uc5d0\uc11c +70\u00b0C\uae4c\uc9c0 \u201c\uc554\uc804\ub958 \ub300 \uc628\ub3c4\u201d \uc2a4\uc715\uc744 \uc2e4\uc2dc\ud588\uc2b5\ub2c8\ub2e4. \uaca9\uc790 \ubd88\uc21c\ubb3c\uc744 \ub098\ud0c0\ub0b4\ub294 \uae30\ud558\uae09\uc218\uc801\uc778 \uc554\uc804\ub958 \uc99d\uac00\ub97c \ubcf4\uc774\ub294 \ubaa8\ub4c8\uc740 \ubd88\ud569\uaca9 \ucc98\ub9ac\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ud53c\uadf8\ud14c\uc77c LED\ub294 \uc2a4\ud399\ud2b8\ub7fc \ucd9c\ub825\uc744 \uc548\uc815\ud654\ud558\uae30 \uc704\ud574 \ucd5c\ub300 \uc815\uaca9 \uc804\ub958\uc5d0\uc11c 168\uc2dc\uac04\uc758 \u201c\uac00\uc18d \ub178\ud654\u201d \ud14c\uc2a4\ud2b8\ub97c \uac70\ucce4\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

      \uacb0\ub860:<\/p>\n\n\n\n

      \uc774 \uace0\uac1d\uc740 \uace0\uac10\ub3c4, \uc800\uc7a1\uc74c \uad11\uc12c\uc720 \uacb0\ud569\ud615 \uad11 \uc218\uc2e0\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec 2km\uc758 \uad11\uc12c\uc720\ub97c \ud1b5\ud574 \uba54\ud0c4\uc5d0 \ub300\ud574 50ppm(\ubc31\ub9cc \ubd84\uc758 1)\uc758 \uac10\uc9c0 \ud55c\ub3c4\ub97c \ub2ec\uc131\ud560 \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. \ub808\uc774\uc800 \uc6a9\uc811 \ud53c\uadf8\ud14c\uc77c\uc744 \uc0ac\uc6a9\ud55c \ub355\ubd84\uc5d0 \uc774 \uc2dc\uc2a4\ud15c\uc740 \ud718\ubc1c\uc131\uc774 \uac15\ud55c \uc815\uc720\uc18c \ud658\uacbd\uc5d0\uc11c \ucc98\uc74c 2\ub144 \ub3d9\uc548 \uc2e4\uc678\uc5d0 \uc124\uce58\ud55c \ud6c4 \uc7ac\ubcf4\uc815\uc774 \uc804\ud600 \ud544\uc694\ud558\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

      \uae30\uc220 \ube44\uad50: 1550nm \uc218\uc2e0\uae30 \uae30\uc220<\/h2>\n\n\n\n

      \ub2e4\uc74c \ud45c\uc5d0\ub294 \ub2e4\uc74c\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ud45c\uc900 \uc218\uc2e0\uae30 \uad6c\uc131 \uc694\uc18c\uc640 \uace0\uc131\ub2a5 \uc218\uc2e0\uae30 \uad6c\uc131 \uc694\uc18c\uc758 \uc131\ub2a5 \ucc28\uc774\uac00 \uc694\uc57d\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. 1550nm \uad11\ucf00\uc774\ube14<\/strong> \uc2dc\uc2a4\ud15c.<\/p>\n\n\n\n

      \uc0ac\uc591<\/strong><\/td>\ud45c\uc900 InGaAs PIN<\/strong><\/td>\uace0\uc18d PIN-TIA<\/strong><\/td>\uc560\ubc8c\ub79c\uce58 \ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc(APD)<\/strong><\/td><\/tr><\/thead>
      \uc2a4\ud399\ud2b8\ub7fc \ubc94\uc704<\/strong><\/td>1100 - 1700nm<\/td>1100 - 1650nm<\/td>1260 - 1620nm<\/td><\/tr>
      \uc751\ub2f5\uc131<\/strong><\/td>0.85 - 0.95 A\/W<\/td>0.90 A\/W<\/td>8 - 10 a\/w(m=10)<\/td><\/tr>
      \uc554\uc804\ub958<\/strong><\/td>0.5 - 2.0nA<\/td>1.0 - 5.0nA<\/td>10 - 50 nA<\/td><\/tr>
      \ub300\uc5ed\ud3ed<\/strong><\/td>100 - 500MHz<\/td>1 - 10GHz<\/td>1 - 2.5GHz<\/td><\/tr>
      NEP(\uc77c\ubc18)<\/strong><\/td>$10^{-14} \\\ud14d\uc2a4\ud2b8{ W\/Hz}^{1\/2}$<\/td>$10^{-13} \\\ud14d\uc2a4\ud2b8{ W\/Hz}^{1\/2}$<\/td>$10^{-15} \\\ud14d\uc2a4\ud2b8{ W\/Hz}^{1\/2}$<\/td><\/tr>
      \uacb0\ud569 \ubc29\uc2dd<\/strong><\/td>\uc12c\uc720 \ud53c\uadf8\ud14c\uc77c<\/td>\uc12c\uc720 \ud53c\uadf8\ud14c\uc77c<\/td>\ub9ac\uc149\ud130\ud074 \/ \ud53c\uadf8\ud14c\uc77c<\/td><\/tr>
      \uc77c\ubc18\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong><\/td>\uc804\ub825 \ubaa8\ub2c8\ud130\ub9c1<\/td>\ub370\uc774\ud130 \ud1b5\uc2e0<\/td>\uc7a5\uac70\ub9ac LIDAR<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      \uc804\ubb38\uac00 FAQ: 1550nm \uad11\ud559 \ubd80\ud488<\/h2>\n\n\n\n

      Q1: 1550nm \uc218\uc2e0\uae30\uc5d0 \uc2e4\ub9ac\ucf58 \ub300\uc2e0 InGaAs\ub97c \uc0ac\uc6a9\ud558\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/p>\n\n\n\n

      \uc2e4\ub9ac\ucf58\uc758 \ubc34\ub4dc\uac2d\uc740 \uc57d 1.1eV\ub85c, 1100nm\ubcf4\ub2e4 \uc9e7\uc740 \ud30c\uc7a5\uc758 \uad11\uc790\ub9cc \ud761\uc218\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 1550nm\uc5d0\uc11c \uc2e4\ub9ac\ucf58\uc740 \ud22c\uba85\ud569\ub2c8\ub2e4. InGaAs\ub294 \ubc34\ub4dc\uac2d\uc774 \ub354 \ub0ae\uc544(\uc57d 0.75eV) 1550nm \uad11\uc790\ub97c \uc804\uc790\ub85c \ud6a8\uc728\uc801\uc73c\ub85c \ubcc0\ud658\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

      Q2: \u201c\ud53c\uadf8\ud14c\uc77c\u201d \ubaa8\ub4c8\uacfc \u201c\ub9ac\uc149\ud130\ud074\u201d \ubaa8\ub4c8\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/p>\n\n\n\n

      \ud30c\uc774\ubc84 \ud53c\uadf8\ud14c\uc77c LED \ub610\ub294 \uc218\uc2e0\uae30\ub294 \ub0b4\ubd80 \uce69\uc5d0 \uc601\uad6c\uc801\uc73c\ub85c \ubd80\ucc29\ub418\uace0 \uc815\ub82c\ub41c \uae38\uc774\uc758 \uad11\uc12c\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uac00\uc7a5 \ub0ae\uc740 \uc0bd\uc785 \uc190\uc2e4\uacfc \ucd5c\uace0\uc758 \uc548\uc815\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ub9ac\uc149\ud130\ud074 \ubaa8\ub4c8\uc740 \ud558\uc6b0\uc9d5\uc5d0 \ucee4\ub125\ud130(\uc608: LC \ub610\ub294 FC)\uac00 \ub0b4\uc7a5\ub418\uc5b4 \uc788\uc5b4 \uc0ac\uc6a9\uc790\uac00 \uc9c1\uc811 \ucf00\uc774\ube14\uc744 \uc5f0\uacb0\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c \uc720\uc5f0\uc131\uc774 \ub192\uc9c0\ub9cc \uc624\uc5fc \ubc0f \uc190\uc2e4 \uac00\ub2a5\uc131\uc774 \ub354 \ub192\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

      Q3: \uc628\ub3c4\ub294 1550nm \uad11 \uc218\uc2e0\uae30\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce58\ub098\uc694?<\/p>\n\n\n\n

      \uc628\ub3c4\uac00 \uc0c1\uc2b9\ud558\uba74 \uc5f4 \uc5d0\ub108\uc9c0\ub85c \uc778\ud574 \ub354 \ub9ce\uc740 \uc804\uc790\uac00 \ube5b\uc758 \uc790\uadf9 \uc5c6\uc774 \ubc34\ub4dc\uac2d\uc744 \ub6f0\uc5b4\ub118\uc744 \uc218 \uc788\uc5b4 \u201c\uc554\uc804\ub958\u201d\uac00 \uc99d\uac00\ud569\ub2c8\ub2e4. \uc774\ub294 \uc2dc\uc2a4\ud15c\uc758 \ub178\uc774\uc988 \ud50c\ub85c\uc5b4\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \ub192\uc785\ub2c8\ub2e4. \uace0\uc131\ub2a5 \uad11\uc12c\uc720 \uacb0\ud569 \uad11 \uc218\uc2e0\uae30\uc5d0\ub294 \uc774 \ud6a8\uacfc\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud558\ub294 \ub0b4\ubd80 \uc11c\ubbf8\uc2a4\ud130 \ub610\ub294 \uc628\ub3c4\ub97c \uc548\uc815\ud654\ud558\uae30 \uc704\ud55c TEC\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

      Q4: \uace0\uc18d \ub370\uc774\ud130 \uc804\uc1a1\uc5d0 \uad11\uc12c\uc720 \ud53c\uadf8\ud14c\uc77c LED\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/p>\n\n\n\n

      \uc0c1\ub300\uc801\uc73c\ub85c \ub0ae\uc740 \uc18d\ub3c4(\uc77c\ubc18\uc801\uc73c\ub85c 622Mbps \ubbf8\ub9cc)\uc5d0\uc11c\ub9cc \uac00\ub2a5\ud569\ub2c8\ub2e4. LED\ub294 \uc2a4\ud399\ud2b8\ub7fc \ud3ed\uc774 \ub113\uae30 \ub54c\ubb38\uc5d0 1550nm \uad11\ucf00\uc774\ube14\uc758 \uc0c9 \ubd84\uc0b0\uc73c\ub85c \uc778\ud574 \uc2e0\ud638\uac00 \uc7a5\uac70\ub9ac\uc5d0 \uac78\uccd0 \ubc88\uc9d1\ub2c8\ub2e4. \uace0\uc18d \ub610\ub294 \uc7a5\uac70\ub9ac \ub370\uc774\ud130\uc758 \uacbd\uc6b0 \uc120\ud3ed\uc774 \uc881\uae30 \ub54c\ubb38\uc5d0 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc(LD)\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

      Q5: PIN \ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc\uc5d0\uc11c \u201cPIN\u201d\uc758 \uc758\ubbf8\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/p>\n\n\n\n

      PIN\uc740 P\ud615, \uace0\uc720\ud615, N\ud615\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \u201c\uace0\uc720\u201d \ub808\uc774\uc5b4\ub294 P \ub808\uc774\uc5b4\uc640 N \ub808\uc774\uc5b4 \uc0ac\uc774\uc5d0 \uc788\ub294 \ub3c4\ud551\ub418\uc9c0 \uc54a\uc740 \ub113\uc740 \uc601\uc5ed\uc785\ub2c8\ub2e4. \uc774\ub294 \uad11\uc790\ub97c \ud761\uc218\ud560 \uc218 \uc788\ub294 \ubd80\ud53c\ub97c \ub298\ub9ac\uace0 \uc811\ud569 \ucee4\ud328\uc2dc\ud134\uc2a4\ub97c \uc904\uc5ec \ud45c\uc900 PN \uc811\ud569\uc5d0 \ube44\ud574 \ub354 \ub192\uc740 \uac10\ub3c4\uc640 \ube60\ub978 \uc751\ub2f5 \uc2dc\uac04\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"

      1550nm \ud1b5\uc2e0\uc758 \ucc3d: \uc800\uc190\uc2e4 \uc804\uc1a1\uc758 \ubb3c\ub9ac\uc801 \uae30\ubc18 \ud3ec\ud1a0\ub2c9\uc2a4\uc758 \uc2a4\ud399\ud2b8\ub7fc \ud658\uacbd\uc5d0\uc11c 1550nm \ud30c\uc7a5\uc740 \uc7a5\uac70\ub9ac \ubc0f \uace0\uc815\ubc00 \uad11\ud559 \uc2dc\uc2a4\ud15c\uc744 \uc704\ud55c \u201c\ud669\uae08\uc758 \ucc3d'\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc120\ud638\ub3c4\ub294 \uc784\uc758\uc801\uc778 \uac83\uc774 \uc544\ub2c8\ub77c \uc2e4\ub9ac\uce74 \uae30\ubc18 \uc720\ub9ac\uc758 \uadfc\ubcf8\uc801\uc778 \ubb3c\ub9ac\uc801 \ud2b9\uc131\uc5d0 \uc758\ud574 \uacb0\uc815\ub429\ub2c8\ub2e4. 1550nm \uad11\uc12c\uc720 \uc0dd\ud0dc\uacc4 \ub0b4\uc5d0\uc11c \uac10\uc1e0\ub294 \uc774\ub860\uc801 \ucd5c\uc18c\uac12\uc5d0 \ub3c4\ub2ec\ud558\uba70 [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":false,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":false,"footnotes":"","_wpscp_schedule_draft_date":"","_wpscp_schedule_republish_date":"","_wpscppro_advance_schedule":false,"_wpscppro_advance_schedule_date":"","_wpscppro_dont_share_socialmedia":false,"_wpscppro_custom_social_share_image":0,"_facebook_share_type":"","_twitter_share_type":"","_linkedin_share_type":"","_pinterest_share_type":"","_linkedin_share_type_page":"","_instagram_share_type":"","_medium_share_type":"","_threads_share_type":"","_google_business_share_type":"","_selected_social_profile":[],"_wpsp_enable_custom_social_template":false,"_wpsp_social_scheduling":{"enabled":true,"datetime":"2026-02-07 07:05:46","platforms":[],"status":"pending_publication","dateOption":"today","timeOption":"now","customDays":"","customHours":"","customDate":"","customTime":"","schedulingType":"absolute"},"_wpsp_active_default_template":true},"categories":[1],"tags":[],"class_list":["post-4189","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"metadata":{"_edit_lock":["1768460813:1"],"wpil_sync_report3":["1"],"wpil_links_inbound_internal_count":["0"],"wpil_links_inbound_internal_count_data":["eJxLtDKwqq4FAAZPAf4="],"wpil_links_outbound_internal_count":["5"],"wpil_links_outbound_internal_count_data":["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"],"wpil_links_outbound_external_count":["0"],"wpil_links_outbound_external_count_data":["eJxLtDKwqq4FAAZPAf4="],"wpil_sync_report2_time":["2026-01-15T07:06:35+00:00"],"_edit_last":["1"],"_aioseo_title":["1550nm Fiber Coupled Optical Receiver & Pigtailed LED Guide"],"_aioseo_description":["Technical analysis of 1550nm fiber coupled optical receivers and pigtailed LEDs for sensing. 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