{"id":1270,"date":"2019-07-29T17:07:58","date_gmt":"2019-07-29T17:07:58","guid":{"rendered":"https:\/\/wtheiss.com\/wordpress\/?p=1270"},"modified":"2019-07-29T19:43:20","modified_gmt":"2019-07-29T19:43:20","slug":"wosp-ledo-a-new-spectroscopy-light-source-based-on-leds-only","status":"publish","type":"post","link":"https:\/\/wtheiss.com\/wordpress\/?p=1270","title":{"rendered":"WOSP-LEDO &#8211; a new UV-Vis light source based on LEDs only"},"content":{"rendered":"<p>Our new WOSP-LEDO light source generates a homogeneous area of light emission, covering the spectral range 270 &#8230; 900 nm. It uses LEDs only &#8211; small power, long lifetime.<\/p>\n<p><a href=\"https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/IMG_0197.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-1274\" src=\"https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/IMG_0197.jpg\" alt=\"\" width=\"5184\" height=\"3456\" srcset=\"https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/IMG_0197.jpg 5184w, https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/IMG_0197-300x200.jpg 300w, https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/IMG_0197-768x512.jpg 768w, https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/IMG_0197-1024x683.jpg 1024w\" sizes=\"(max-width: 5184px) 100vw, 5184px\" \/><\/a><\/p>\n<p>You can point a collimated field of view of an array spectrometer to the center of the light source and record transmittance or reflectance spectra in lab quality, within a fraction of the time a lab instrument would need.<\/p>\n<p><a href=\"https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/IMG_0191-e1564419429883.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-1266\" src=\"https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/IMG_0191-e1564419429883.jpg\" alt=\"\" width=\"3456\" height=\"5184\" srcset=\"https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/IMG_0191-e1564419429883.jpg 3456w, https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/IMG_0191-e1564419429883-200x300.jpg 200w, https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/IMG_0191-e1564419429883-768x1152.jpg 768w, https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/IMG_0191-e1564419429883-683x1024.jpg 683w\" sizes=\"(max-width: 3456px) 100vw, 3456px\" \/><\/a><\/p>\n<p>The following transmittance spectra (100%, 0%, Schott Borofloat glass) have been recorded in less than 1 second, with a distance of about 1 m between light source and detector:<a href=\"https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/borofloat-results-1-second.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-1268\" src=\"https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/borofloat-results-1-second.png\" alt=\"\" width=\"1358\" height=\"754\" srcset=\"https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/borofloat-results-1-second.png 1358w, https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/borofloat-results-1-second-300x167.png 300w, https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/borofloat-results-1-second-768x426.png 768w, https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/borofloat-results-1-second-1024x569.png 1024w, https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/borofloat-results-1-second-672x372.png 672w, https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/borofloat-results-1-second-1038x576.png 1038w\" sizes=\"(max-width: 1358px) 100vw, 1358px\" \/><\/a><\/p>\n<p>Zooms into the 0 and 100 percent spectra show excellent spectral quality:<\/p>\n<p><a href=\"https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/0-percent-zoom.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-1269\" src=\"https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/0-percent-zoom.png\" alt=\"\" width=\"1393\" height=\"747\" srcset=\"https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/0-percent-zoom.png 1393w, https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/0-percent-zoom-300x161.png 300w, https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/0-percent-zoom-768x412.png 768w, https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/0-percent-zoom-1024x549.png 1024w\" sizes=\"(max-width: 1393px) 100vw, 1393px\" \/><\/a><a href=\"https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/100-percent-zoom.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-1267\" src=\"https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/100-percent-zoom.png\" alt=\"\" width=\"1398\" height=\"764\" srcset=\"https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/100-percent-zoom.png 1398w, https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/100-percent-zoom-300x164.png 300w, https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/100-percent-zoom-768x420.png 768w, https:\/\/wtheiss.com\/wordpress\/wp-content\/uploads\/2019\/07\/100-percent-zoom-1024x560.png 1024w\" sizes=\"(max-width: 1398px) 100vw, 1398px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Our new WOSP-LEDO light source generates a homogeneous area of light emission, covering the spectral range 270 &#8230; 900 nm. It uses LEDs only &#8211; small power, long lifetime. You can point a collimated field of view of an array spectrometer to the center of the light source and record transmittance or reflectance spectra in [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[213,207,1],"tags":[],"_links":{"self":[{"href":"https:\/\/wtheiss.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1270"}],"collection":[{"href":"https:\/\/wtheiss.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wtheiss.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wtheiss.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wtheiss.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1270"}],"version-history":[{"count":4,"href":"https:\/\/wtheiss.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1270\/revisions"}],"predecessor-version":[{"id":1276,"href":"https:\/\/wtheiss.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1270\/revisions\/1276"}],"wp:attachment":[{"href":"https:\/\/wtheiss.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wtheiss.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1270"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wtheiss.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}