{"id":1400,"date":"2022-04-29T06:09:21","date_gmt":"2022-04-29T06:09:21","guid":{"rendered":"https:\/\/www.kr.civillaser.com\/news\/?p=1400"},"modified":"2022-04-29T06:09:22","modified_gmt":"2022-04-29T06:09:22","slug":"fp%ec%99%80-dfb-%eb%a0%88%ec%9d%b4%ec%a0%80%ec%9d%98-%ec%b0%a8%ec%9d%b4%ec%a0%90","status":"publish","type":"post","link":"https:\/\/www.kr.civillaser.com\/news\/1400","title":{"rendered":"FP\uc640 DFB \ub808\uc774\uc800\uc758 \ucc28\uc774\uc810"},"content":{"rendered":"\n<p>\ucd5c\uadfc\uc5d0 \ub9ce\uc740 \ub3d9\ub8cc\ub4e4\uc740 \uace0\uac1d\uc774 FP \ubc0f DFB \ub808\uc774\uc800\uc758 \uae30\uc220\uc801 \uc9c0\uc2dd\uacfc \uc774\ub4e4\uc758 \ucc28\uc774\uc810\uc5d0 \ub300\ud574 \ub354 \ub9ce\uc774 \uc54c\uc544\uc57c \ud55c\ub2e4\uace0 \ubcf4\uace0\ud588\uc2b5\ub2c8\ub2e4. \uace0\uac1d\uc5d0\uac8c \ud3b8\ub9ac\ud558\uac8c \uc124\uba85\ud558\uae30 \uc704\ud574 FP \ubc0f DFB \ub808\uc774\uc800\uc5d0 \ub300\ud55c \uc9c0\uc2dd\uc744 \uac04\ub7b5\ud558\uac8c \uc694\uc57d\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>FP \ub808\uc774\uc800<br>FP(Fabry-perot) \ub808\uc774\uc800\ub294 FP \uce90\ube44\ud2f0\ub97c \uacf5\uc9c4 \uce90\ube44\ud2f0\ub85c \ud558\uc5ec \ub2e4\uc911 \uc138\ub85c \ubaa8\ub4dc \uac04\uc12d\uad11\uc744 \ubc29\ucd9c\ud558\ub294 <a href=\"https:\/\/www.kr.civillaser.com\/index.php?main_page=index&amp;cPath=423_421\" target=\"_blank\" rel=\"noreferrer noopener\">\ubc18\ub3c4\uccb4 \ubc1c\uad11 \uc18c\uc790\uc785\ub2c8\ub2e4<\/a>. FP \ub808\uc774\uc800\ub294 \uc8fc\ub85c \uc800\uc18d \ubc0f \uadfc\uac70\ub9ac \uc804\uc1a1\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc804\uc1a1 \uac70\ub9ac\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 20km \uc774\ub0b4\uc774\uace0 \uc18d\ub3c4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 1.25G \uc774\ub0b4\uc785\ub2c8\ub2e4. FP\uc5d0\ub294 1310nm\/1550nm\uc758 \ub450 \uac00\uc9c0 \ud30c\uc7a5\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ub610\ud55c \uc2dc\uc7a5\uc5d0\ub294 \ube44\uc6a9\uc744 \uc904\uc774\uae30 \uc704\ud574 FP \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud558\uc5ec \uae30\uac00\ube44\ud2b8 40km \ubaa8\ub4c8\uc744 \ub9cc\ub4dc\ub294 \uc81c\uc870\uc5c5\uccb4\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc0c1\uc751\ud558\ub294 \uc804\uc1a1 \uac70\ub9ac\ub97c \ub2ec\uc131\ud558\uae30 \uc704\ud574\uc11c\ub294 \uc804\uc1a1\ub418\ub294 \uad11\ucd9c\ub825\uc744 \uc99d\uac00\uc2dc\ucf1c\uc57c \ud55c\ub2e4. \uc7a5\uae30\uac04\uc758 \uc791\uc5c5\uc740 \uc81c\ud488\uc758 \uc81c\ud488\uc744 \ubbf8\ub9ac \ub178\ud654\uc2dc\ud0a4\uace0 \uc0ac\uc6a9\uc744 \ub2e8\ucd95\uc2dc\ud0b5\ub2c8\ub2e4. \uc0b6. \uc5d4\uc9c0\ub2c8\uc5b4\uc758 \uc81c\uc548\uc5d0 \ub530\ub974\uba74 1.25G 40km \uc774\uc911 \uad11\uc12c\uc720 \ubaa8\ub4c8\uc740 DFB \uc7a5\uce58\ub97c \uc801\uc6a9\ud558\ub294 \uac83\uc774 \ub354 \uc548\uc804\ud569\ub2c8\ub2e4!<\/p>\n\n\n\n<p>FP \ub808\uc774\uc800 \uc131\ub2a5 \ub9e4\uac1c\ubcc0\uc218:<br>1) \uc791\ub3d9 \ud30c\uc7a5: \ub808\uc774\uc800\uc5d0\uc11c \ubc29\ucd9c\ub418\ub294 \uc2a4\ud399\ud2b8\ub7fc\uc758 \uc911\uc2ec \ud30c\uc7a5.<br>2) \uc2a4\ud399\ud2b8\ub7fc \ud3ed: \ub2e4\uc911 \uc138\ub85c \ubaa8\ub4dc \ub808\uc774\uc800\uc758 \uc81c\uacf1 \ud3c9\uade0 \uc81c\uacf1\uadfc \uc2a4\ud399\ud2b8\ub7fc \ud3ed.<br>3) \uc784\uacc4\uac12 \uc804\ub958: \uc7a5\uce58\uc758 \uc791\ub3d9 \uc804\ub958\uac00 \uc784\uacc4\uac12 \uc804\ub958\ub97c \ucd08\uacfc\ud560 \ub54c \ub808\uc774\uc800\ub294 \uac04\uc12d\uc131\uc774 \uc88b\uc740 \ub808\uc774\uc800\ub97c \ubc29\ucd9c\ud569\ub2c8\ub2e4.<br>4) <a href=\"https:\/\/www.kr.civillaser.com\/index.php?main_page=index&amp;cPath=423_400\" target=\"_blank\" rel=\"noreferrer noopener\">\ucd9c\ub825 \uad11\ucd9c\ub825<\/a>: \ub808\uc774\uc800 \ucd9c\ub825 \ud3ec\ud2b8\uc5d0\uc11c \ubc29\ucd9c\ub418\ub294 \uad11\ucd9c\ub825.<\/p>\n\n\n\n<p>\uc77c\ubc18\uc801\uc778 \ub9e4\uac1c\ubcc0\uc218\ub294 \uc544\ub798 \ud45c\uc5d0 \ub098\uc640 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"599\" height=\"233\" src=\"https:\/\/www.kr.civillaser.com\/news\/wp-content\/uploads\/2022\/04\/FP.jpg\" alt=\"\" class=\"wp-image-1401\" srcset=\"https:\/\/www.kr.civillaser.com\/news\/wp-content\/uploads\/2022\/04\/FP.jpg 599w, https:\/\/www.kr.civillaser.com\/news\/wp-content\/uploads\/2022\/04\/FP-300x117.jpg 300w\" sizes=\"(max-width: 599px) 100vw, 599px\" \/><\/figure>\n\n\n\n<p>DFB \ub808\uc774\uc800<br><a href=\"https:\/\/www.kr.civillaser.com\/index.php?main_page=index&amp;cPath=405\" target=\"_blank\" rel=\"noreferrer noopener\">DFB \ub808\uc774\uc800<\/a>\ub294 FP \ub808\uc774\uc800\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \uaca9\uc790 \uad11\ud559 \ud544\ud130 \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud558\ubbc0\ub85c \uc7a5\uce58\ub294 \ud558\ub098\uc758 \uc138\ub85c \ubaa8\ub4dc \ucd9c\ub825\ub9cc \uac16\uc2b5\ub2c8\ub2e4. DFB(Distributed Feedback Laser)\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 1310nm\uc640 1550nm\uc758 \ub450 \uac00\uc9c0 \ud30c\uc7a5\uc744 \uc0ac\uc6a9\ud558\ub294\ub370 \ub0c9\uac01\uacfc \ube44\ub0c9\uac01\uc73c\ub85c \ub098\ub269\ub2c8\ub2e4. \uadf8\ub4e4\uc740 \uc8fc\ub85c \uace0\uc18d \uc911\uc7a5\uac70\ub9ac \uc804\uc1a1\uc5d0 \uc0ac\uc6a9\ub418\uba70 \uc804\uc1a1 \uac70\ub9ac\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 40km \uc774\uc0c1\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>DFB \ub808\uc774\uc800 \uc131\ub2a5 \ub9e4\uac1c\ubcc0\uc218:<br>1) \uc791\ub3d9 \ud30c\uc7a5: \ub808\uc774\uc800\uc5d0\uc11c \ubc29\ucd9c\ub418\ub294 \uc2a4\ud399\ud2b8\ub7fc\uc758 \uc911\uc2ec \ud30c\uc7a5.<br>2) \uc0ac\uc774\ub4dc \ubaa8\ub4dc \uc5b5\uc81c \ube44\uc728: \ucd5c\ub300 \uc0ac\uc774\ub4dc \ubaa8\ub4dc\uc5d0 \ub300\ud55c \ub808\uc774\uc800\uc758 \uba54\uc778 \ubaa8\ub4dc\uc758 \ucd9c\ub825 \ube44\uc728.<br>3) -20dB \uc2a4\ud399\ud2b8\ub7fc \ud3ed: \uc2a4\ud399\ud2b8\ub7fc \ud3ed\uc740 \ub808\uc774\uc800 \ucd9c\ub825 \uc2a4\ud399\ud2b8\ub7fc\uc758 \uac00\uc7a5 \ub192\uc740 \uc9c0\uc810\uc5d0\uc11c 20dB \uac10\uc18c\ud569\ub2c8\ub2e4.<br>4) \ubb38\ud131 \uc804\ub958: \uc7a5\uce58\uc758 \uc791\ub3d9 \uc804\ub958\uac00 \ubb38\ud131 \uc804\ub958\ub97c \ucd08\uacfc\ud560 \ub54c \ub808\uc774\uc800\ub294 \uac04\uc12d\uc131\uc774 \uc88b\uc740 \ub808\uc774\uc800\ub97c \ubc29\ucd9c\ud569\ub2c8\ub2e4.<br>5) \ucd9c\ub825 \uad11\ucd9c\ub825: \ub808\uc774\uc800 \ucd9c\ub825 \ud3ec\ud2b8\uc5d0\uc11c \ubc29\ucd9c\ub418\ub294 \uad11\ucd9c\ub825.<\/p>\n\n\n\n<p>\uc77c\ubc18\uc801\uc778 \ub9e4\uac1c\ubcc0\uc218\ub294 \uc544\ub798 \ud45c\uc5d0 \ub098\uc640 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"599\" height=\"232\" src=\"https:\/\/www.kr.civillaser.com\/news\/wp-content\/uploads\/2022\/04\/DFB.jpg\" alt=\"\" class=\"wp-image-1402\" srcset=\"https:\/\/www.kr.civillaser.com\/news\/wp-content\/uploads\/2022\/04\/DFB.jpg 599w, https:\/\/www.kr.civillaser.com\/news\/wp-content\/uploads\/2022\/04\/DFB-300x116.jpg 300w\" sizes=\"(max-width: 599px) 100vw, 599px\" \/><\/figure>\n\n\n\n<p>\uc704\uc758 \ud45c\uc5d0\uc11c \uc54c \uc218 \uc788\ub4ef\uc774 FP\uc640 DFB \ub808\uc774\uc800\uc758 \uc8fc\uc694 \ucc28\uc774\uc810\uc740 \uc2a4\ud399\ud2b8\ub7fc \ud3ed\uc758 \ucc28\uc774\uc785\ub2c8\ub2e4. DFB \ub808\uc774\uc800\uc758 \uc2a4\ud399\ud2b8\ub7fc \ud3ed\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc881\uace0 \ubd84\ud3ec\ub41c \uc74c\uc758 \ud53c\ub4dc\ubc31\uc758 \ub2e8\uc77c \uc138\ub85c \ubaa8\ub4dc\uc785\ub2c8\ub2e4. FP \ub808\uc774\uc800\uc758 \uc2a4\ud399\ud2b8\ub7fc \ud3ed\uc740 \uc0c1\ub300\uc801\uc73c\ub85c \ub113\uace0 \ub2e4\uc911 \uc138\ub85c \ubaa8\ub4dc \ub808\uc774\uc800\uc785\ub2c8\ub2e4. \ub610\ud55c \uc791\ub3d9 \ud30c\uc7a5, \uc784\uacc4\uac12 \uc804\ub958 \ubc0f \uc21c\ubc29\ud5a5 \uc804\uc555\uc774 \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc77d\uc5b4\uc8fc\uc154\uc11c \uac10\uc0ac\ud569\ub2c8\ub2e4! \uc774 \uacf5\uc720\uac00 FP \ubc0f DFB \ub808\uc774\uc800\uc5d0 \ub300\ud55c \ud1b5\ucc30\ub825\uc744 \uc81c\uacf5\ud558\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4!<a href=\"https:\/\/www.kr.civillaser.com\/\" target=\"_blank\" rel=\"noreferrer noopener\"> CivilLaser<\/a>\ub294 \ub3d9\uc885 \uc5c5\uacc4\uc758 \uc5d8\ub9ac\ud2b8\ub4e4\uc774 \ud568\uaed8 \ub17c\uc758\ud560 \uc218 \uc788\ub294 \uae30\ud68c\ub97c \uc81c\uacf5\ud558\uba70 \uadc0\ud558\uc758 \uadc0\uc911\ud55c \ud1b5\ucc30\ub825\uacfc \uc81c\uc548\uc744 \uc81c\uacf5\ud558\uace0 \uadc0\ud558\uc640 \ud568\uaed8 \ubc1c\uc804\ud558\uae30\ub97c \ud76c\ub9dd\ud569\ub2c8\ub2e4!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ucd5c\uadfc\uc5d0 \ub9ce\uc740 \ub3d9\ub8cc\ub4e4\uc740 \uace0\uac1d\uc774 FP \ubc0f DFB \ub808\uc774\uc800\uc758 \uae30\uc220\uc801 \uc9c0\uc2dd\uacfc \uc774\ub4e4\uc758 \ucc28\uc774\uc810\uc5d0 \ub300\ud574 \ub354 \ub9ce\uc774 \uc54c\uc544\uc57c \ud55c\ub2e4\uace0 \ubcf4\uace0\ud588\uc2b5\ub2c8\ub2e4. \uace0\uac1d\uc5d0\uac8c \ud3b8\ub9ac\ud558\uac8c \uc124\uba85\ud558\uae30 \uc704\ud574 FP \ubc0f DFB \ub808\uc774\uc800\uc5d0 \ub300\ud55c \uc9c0\uc2dd\uc744 \uac04\ub7b5\ud558\uac8c \uc694\uc57d\ud569\ub2c8\ub2e4. FP \ub808\uc774\uc800FP(Fabry-perot) \ub808\uc774\uc800\ub294 FP \uce90\ube44\ud2f0\ub97c \uacf5\uc9c4 \uce90\ube44\ud2f0\ub85c \ud558\uc5ec \ub2e4\uc911 \uc138\ub85c \ubaa8\ub4dc \uac04\uc12d\uad11\uc744 \ubc29\ucd9c\ud558\ub294 \ubc18\ub3c4\uccb4 \ubc1c\uad11 \uc18c\uc790\uc785\ub2c8\ub2e4. FP \ub808\uc774\uc800\ub294 \uc8fc\ub85c \uc800\uc18d \ubc0f \uadfc\uac70\ub9ac \uc804\uc1a1\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c &hellip;<\/p>\n","protected":false},"author":2,"featured_media":1403,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[24],"tags":[117,147,146,42,29,37],"_links":{"self":[{"href":"https:\/\/www.kr.civillaser.com\/news\/wp-json\/wp\/v2\/posts\/1400"}],"collection":[{"href":"https:\/\/www.kr.civillaser.com\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kr.civillaser.com\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kr.civillaser.com\/news\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kr.civillaser.com\/news\/wp-json\/wp\/v2\/comments?post=1400"}],"version-history":[{"count":1,"href":"https:\/\/www.kr.civillaser.com\/news\/wp-json\/wp\/v2\/posts\/1400\/revisions"}],"predecessor-version":[{"id":1404,"href":"https:\/\/www.kr.civillaser.com\/news\/wp-json\/wp\/v2\/posts\/1400\/revisions\/1404"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kr.civillaser.com\/news\/wp-json\/wp\/v2\/media\/1403"}],"wp:attachment":[{"href":"https:\/\/www.kr.civillaser.com\/news\/wp-json\/wp\/v2\/media?parent=1400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kr.civillaser.com\/news\/wp-json\/wp\/v2\/categories?post=1400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kr.civillaser.com\/news\/wp-json\/wp\/v2\/tags?post=1400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}