{"id":159445,"date":"2021-06-13T14:49:01","date_gmt":"2021-06-13T14:49:01","guid":{"rendered":"\/forum\/forums\/topic\/questions-about-the-calculation-of-the-cross-polarization-conversion-efficiency-of-metasurface\/"},"modified":"2022-02-27T07:12:20","modified_gmt":"2022-02-27T07:12:20","slug":"questions-about-the-calculation-of-the-cross-polarization-conversion-efficiency-of-metasurface","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/questions-about-the-calculation-of-the-cross-polarization-conversion-efficiency-of-metasurface\/","title":{"rendered":"Questions about the calculation of the cross-polarization conversion efficiency of metasurface"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>The cross polarization conversion efficiency is defined as &ldquo;Simulated polarization conversion efficiency as a function of wavelength. This efficiency is defined as the fraction of the incident circularly polarized optical power that is converted to transmitted optical power with opposite helicity.&rdquo;<\/p>\n<p>Here, I used left-handed circularly polarized light as the incident light source to perform S-parameter analysis on the metasurface. How should I use the results of S-parameter analysis to calculate the optical power of incident light and the transmitted right-handed circularly polarized light, and then calculate the conversion efficiency? <\/p>\n<p>Below is my FDTD simulation configuration \uff1a<\/p>\n<div class=\"embedExternal embedImage\">\n<div class=\"embedExternal-content\">\n<a class=\"embedImage-link\" href=\"\/forum\/wp-content\/uploads\/forum-uploads\/476\/WQLK5E5D1H7U.png\" rel=\"nofollow noopener\" target=\"_blank\"><br \/>\n<img decoding=\"async\" class=\"embedImage-img\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/476\/WQLK5E5D1H7U.png\" alt=\"image.png\" \/><br \/>\n<\/a><\/p>\n","protected":false},"template":"","class_list":["post-159445","topic","type-topic","status-closed","hentry","topic-tag-fdtd"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":[""],"_bbp_old_reply_author_name_id":["Anonymous"],"_bbp_old_is_reply_anonymous_id":["false"],"_btv_view_count":["6460"],"_bbp_likes_count":["2"],"_bbp_subscription":["235544","259533","240859","282581","243471"],"_edit_lock":["1660299104:76739"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["159445"],"_bbp_forum_id":["27833"],"_bbp_engagement":["707","2592","8795","192165","205926","240859","243471","259533","282581"],"_bbp_voice_count":["9"],"_bbp_reply_count":["48"],"_bbp_last_reply_id":["303854"],"_bbp_last_active_id":["303854"],"_bbp_last_active_time":["2023-08-29 12:20:24"]},"test":"1499899278qq-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/159445","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/159445\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=159445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}