{"id":361931,"date":"2024-04-12T11:43:02","date_gmt":"2024-04-12T11:43:02","guid":{"rendered":"\/forum\/?post_type=topic&#038;p=361931"},"modified":"2024-04-12T11:45:27","modified_gmt":"2024-04-12T11:45:27","slug":"how-to-calculate-the-transmission-coefficients-in-fdtd-for-rcp-or-lcp-incidence","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-calculate-the-transmission-coefficients-in-fdtd-for-rcp-or-lcp-incidence\/","title":{"rendered":"How to calculate the Transmission coefficients in FDTD for RCP or LCP incidence?"},"content":{"rendered":"<p><span style=\"font-size: 12pt\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/12-04-2024-1712922169-CM2.png\" alt=\"\"><img decoding=\"async\" title=\"This is the code I used to get the plot (second way)\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/12-04-2024-1712921663-Screenshot 2024-04-12 165919.png\" alt=\"\"><img decoding=\"async\" title=\"Transmission for different handedness\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/12-04-2024-1712920648-Screenshot 2024-04-12 163135.png\" alt=\"\"><\/span><\/p>\n<p><span style=\"font-size: 12pt\">I am reproducing the results of the paper titled &#8220;All-dielectric planar chiral metasurface with gradient geometric phase&#8221;, In this paper, they are shining the RCP &amp; LCP light in the backward direction from Air to Substrate on the unit cell, and they are getting the following graph. I have attached the unit cell and the transmission graph too! I am using the s_parameter analysis group to do this study! I have added one more source to the S_parameter analysis group with a polarization angle of 90 degrees and a phase of &#8211;<img loading=\"lazy\" decoding=\"async\" title=\"This is the simulation setup for the first way\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/12-04-2024-1712921480-Screenshot 2024-04-12 165432.png\" alt=\"\" width=\"921\" height=\"586\">90 degrees. I have seen the Transmission from the Transmission monitor (T) placed within the Analysis group. The results I got do not match the Author&#8217;s results. This is one way I tried, the other way is, I used the S_Polarization results, after simulating the unit cell with x and y polarised light separately and then using some steps in the script (also attached to the discussion) I got a plot. The plot I got still did not match the one in the paper. Can anyone help me with this?&nbsp;<\/span><\/p>\n<p><span style=\"font-size: 12pt\"><img decoding=\"async\" title=\"Unitcell\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/12-04-2024-1712920409-Screenshot 2024-04-12 163029.png\" alt=\"\"><\/span><\/p>\n","protected":false},"template":"","class_list":["post-361931","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I am reproducing the results of the paper titled &quot;All-dielectric planar chiral metasurface with gradient geometric phase&quot;, In this paper, they are shining the RCP &amp; LCP light in the backward direction from Air to Substrate on the unit cell, and they are getting the following graph. 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I have attached the unit cell and the","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-calculate-the-transmission-coefficients-in-fdtd-for-rcp-or-lcp-incidence\/#breadcrumblist"},"datePublished":"2024-04-12T11:43:02+00:00","dateModified":"2024-04-12T11:45:27+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/forum\/#website","url":"https:\/\/innovationspace.ansys.com\/forum\/","name":"Ansys Learning Forum","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Learning Forum | Ansys Innovation Space","og:type":"article","og:title":"How to calculate the Transmission coefficients in FDTD for RCP or LCP incidence? | Ansys Learning Forum","og:description":"I am reproducing the results of the paper titled &quot;All-dielectric planar chiral metasurface with gradient geometric phase&quot;, In this paper, they are shining the RCP &amp; LCP light in the backward direction from Air to Substrate on the unit cell, and they are getting the following graph. I have attached the unit cell and the","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-calculate-the-transmission-coefficients-in-fdtd-for-rcp-or-lcp-incidence\/","og:image":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/12-04-2024-1712922169-CM2.png","og:image:secure_url":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/12-04-2024-1712922169-CM2.png","article:published_time":"2024-04-12T11:43:02+00:00","article:modified_time":"2024-04-12T11:45:27+00:00","twitter:card":"summary_large_image","twitter:title":"How to calculate the Transmission coefficients in FDTD for RCP or LCP incidence? | Ansys Learning Forum","twitter:description":"I am reproducing the results of the paper titled &quot;All-dielectric planar chiral metasurface with gradient geometric phase&quot;, In this paper, they are shining the RCP &amp; LCP light in the backward direction from Air to Substrate on the unit cell, and they are getting the following graph. I have attached the unit cell and the","twitter:image":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/12-04-2024-1712922169-CM2.png"},"aioseo_meta_data":{"post_id":"361931","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"content","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":true,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2024-10-28 16:49:00","updated":"2024-10-28 16:49:00","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\/topics\/\" title=\"Topics\">Topics<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tHow to calculate the Transmission coefficients in FDTD for RCP or LCP incidence?\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Topics","link":"https:\/\/innovationspace.ansys.com\/forum\/topics\/"},{"label":"How to calculate the Transmission coefficients in FDTD for RCP or LCP incidence?","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-calculate-the-transmission-coefficients-in-fdtd-for-rcp-or-lcp-incidence\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":["23.52.43.81"],"_bbp_subscription":["302729","2592"],"_btv_view_count":["921"],"_bbp_topic_status":["unanswered"],"_edit_lock":["1712923147:244844"],"_bbp_topic_id":["361931"],"_bbp_forum_id":["27833"],"_bbp_engagement":["2592","302729"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["362010"],"_bbp_last_active_id":["362010"],"_bbp_last_active_time":["2024-04-12 16:31:22"],"_bbp_likes_count":["1"]},"test":"ph23resch01002iith-ac-in"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/361931","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":6,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/361931\/revisions"}],"predecessor-version":[{"id":361942,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/361931\/revisions\/361942"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=361931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}