{"id":281,"date":"2009-06-29T10:20:34","date_gmt":"2009-06-29T08:20:34","guid":{"rendered":"http:\/\/dh5ym.hopto.org\/wiki\/?p=281"},"modified":"2009-06-29T10:20:34","modified_gmt":"2009-06-29T08:20:34","slug":"laser-communications-2nd","status":"publish","type":"post","link":"https:\/\/dh5ym.hopto.org\/wiki\/?p=281","title":{"rendered":"Laser Communications (2nd)"},"content":{"rendered":"<div class=\"mceTemp mceIEcenter\" style=\"text-align: left;\">I assembled the PCB\u00b4s for the DL2CH laser transceiver and did some basic tests using a ordinary LED as signal source. The lens is a 90mm one and the sensor is\u00a0 a OPT-101. The first picture shows the transmitter and the optical sensor head. The second picture shows the grey tube that contains the lens and the optical sensor. In the background you can see the small red light that comes from the LED.<\/div>\n<div id=\"attachment_283\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a rel=\"attachment wp-att-283\" href=\"http:\/\/dh5ym.hopto.org\/wiki\/?attachment_id=283\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-283\" class=\"size-medium wp-image-283\" title=\"DL2CH transmitter and optical sensor\" src=\"..\/wiki\/wp-content\/uploads\/2009\/06\/dsc01912-300x225.jpg\" alt=\"DL2CH transmitter and optical sensor\" width=\"300\" height=\"225\" srcset=\"https:\/\/dh5ym.hopto.org\/wiki\/wp-content\/uploads\/2009\/06\/dsc01912-300x225.jpg 300w, https:\/\/dh5ym.hopto.org\/wiki\/wp-content\/uploads\/2009\/06\/dsc01912-1024x768.jpg 1024w, https:\/\/dh5ym.hopto.org\/wiki\/wp-content\/uploads\/2009\/06\/dsc01912-624x468.jpg 624w, https:\/\/dh5ym.hopto.org\/wiki\/wp-content\/uploads\/2009\/06\/dsc01912.jpg 2048w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-283\" class=\"wp-caption-text\">DL2CH transmitter and optical sensor<\/p><\/div>\n<div id=\"attachment_284\" style=\"width: 235px\" class=\"wp-caption aligncenter\"><a rel=\"attachment wp-att-284\" href=\"http:\/\/dh5ym.hopto.org\/wiki\/?attachment_id=284\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-284\" class=\"size-medium wp-image-284\" title=\"Testing optical communication ...\" src=\"..\/wiki\/wp-content\/uploads\/2009\/06\/dsc01933-225x300.jpg\" alt=\"Testing optical communication ...\" width=\"225\" height=\"300\" srcset=\"https:\/\/dh5ym.hopto.org\/wiki\/wp-content\/uploads\/2009\/06\/dsc01933-225x300.jpg 225w, https:\/\/dh5ym.hopto.org\/wiki\/wp-content\/uploads\/2009\/06\/dsc01933-768x1024.jpg 768w, https:\/\/dh5ym.hopto.org\/wiki\/wp-content\/uploads\/2009\/06\/dsc01933-624x832.jpg 624w, https:\/\/dh5ym.hopto.org\/wiki\/wp-content\/uploads\/2009\/06\/dsc01933.jpg 1536w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a><p id=\"caption-attachment-284\" class=\"wp-caption-text\">Testing optical communication ...<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>I assembled the PCB\u00b4s for the DL2CH laser transceiver and did some basic tests using a ordinary LED as signal source. The lens is a 90mm one and the sensor is\u00a0 a OPT-101. The first picture shows the transmitter and &hellip; <a href=\"https:\/\/dh5ym.hopto.org\/wiki\/?p=281\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,13],"tags":[],"class_list":["post-281","post","type-post","status-publish","format-standard","hentry","category-amateur-radio","category-optical-communication"],"_links":{"self":[{"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=\/wp\/v2\/posts\/281","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=281"}],"version-history":[{"count":0,"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=\/wp\/v2\/posts\/281\/revisions"}],"wp:attachment":[{"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=281"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=281"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dh5ym.hopto.org\/wiki\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=281"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}