{"id":125933,"date":"2015-09-08T02:00:00","date_gmt":"2015-09-07T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=82978d8554d994ac80d17e5c8d107d34"},"modified":"2015-09-08T02:00:00","modified_gmt":"2015-09-07T23:00:00","slug":"investigation-of-black-body-radiation-with-the-aid-of-a-self-made-pyroelectric-infrared-detector-2","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=125933","title":{"rendered":"Investigation of black body radiation with the aid of a self-made pyroelectric infrared detector"},"content":{"rendered":"<p>The thermal radiation of a black body is investigated using a pyroelectric infrared radiation<br \/>\ndetector. This paper presents the construction and operation principles of a simple set-up used for<br \/>\ninvestigation of black body radiation in a student laboratory, and the laws of black body radiation<br \/>\nare briefly described. Using the measuring system presented in this paper, it is possible to show<br \/>\nthe relationship between energy emitted by a black body model and its temperature, as well as<br \/>\nverifying the Stefan\u2013Boltzmann law. Knowledge of black body radiation laws and the operation<br \/>\nprinciples of pyroelectric detectors for infrared radiation is essential to understand many<br \/>\nprocesses in nature, the operation principles of different devices including certain systems used in<br \/>\nrenewable energy sources, alarm systems and methods of measurement used in science and technology.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The thermal radiation of a black body is investigated using a pyroelectric infrared radiation<br \/>\ndetector. This paper presents the construction and operation principles of a simple set-up used for<br \/>\ninvestigation of black body radiation in a student labor&#8230;<\/p>\n","protected":false},"author":0,"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-125933","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\/125933","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"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=125933"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/125933\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=125933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=125933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=125933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}