{"id":147051,"date":"2015-11-18T03:00:00","date_gmt":"2015-11-18T00:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=f6452cdc9a589e8ddb4aaf1ef9e7665c"},"modified":"2015-11-18T03:00:00","modified_gmt":"2015-11-18T00:00:00","slug":"quantitative-analysis-of-transmittance-and-photoluminescence-using-a-low-cost-apparatus","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=147051","title":{"rendered":"Quantitative analysis of transmittance and photoluminescence using a low cost apparatus"},"content":{"rendered":"<p>We show how a low cost spectrometer, based on the use of inexpensive diffraction transmission<br \/>\ngratings coupled with a commercial digital photo camera or a cellphone, can be assembled and<br \/>\nemployed to obtain quantitative spectra of different sources. In particular, we discuss its use in<br \/>\nstudying the spectra of fluorescent colored ink, used in highlighting pens, for which the<br \/>\ntransmission band and the emission peaks are measured and related to the ink color.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We show how a low cost spectrometer, based on the use of inexpensive diffraction transmission<br \/>\ngratings coupled with a commercial digital photo camera or a cellphone, can be assembled and<br \/>\nemployed to obtain quantitative spectra of different sources. I&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-147051","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/147051","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=147051"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/147051\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=147051"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=147051"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=147051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}