{"id":222798,"date":"2022-07-29T18:57:56","date_gmt":"2022-07-29T18:57:56","guid":{"rendered":"\/forum\/forums\/reply\/222798\/"},"modified":"2022-07-29T18:57:56","modified_gmt":"2022-07-29T18:57:56","slug":"222798","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/222798\/","title":{"rendered":"Reply To: Can&#8217;t setup the plane wave in lumerical fdtd."},"content":{"rendered":"<p>&lt;p&gt;There are several issues in your settings:&lt;br&gt;1: in principle, plane wave only works with periodic BCs so the structure has to be periodic. To prevent users using smaller plane wave dimension than the perioid, the software AUTOMATICALLY extends its dimension to be outside of the boundary conditions. This is why it changes.&lt;\/p&gt;&lt;p&gt;2: You can use TFSF source as this is a local plane wave. However, the monitor should not touch TFSF as its boundary condition is used for other purpose and the data on the boundary is not physical.&lt;\/p&gt;&lt;p&gt;3: If the nano strucutre is finite, the substrate should be infinite in the plane perpendicualr to propagation. Please extend the substrate and all other non-finite size layers&nbsp; to the out side of the PML.&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-222798","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"There are several issues in your settings:1: in principle, plane wave only works with periodic BCs so the structure has to be periodic. To prevent users using smaller plane wave dimension than the perioid, the software AUTOMATICALLY extends its dimension to be outside of the boundary conditions. This is why it changes.2: You can use\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/222798\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Reply To: Can\u2019t setup the plane wave in lumerical fdtd. | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"There are several issues in your settings:1: in principle, plane wave only works with periodic BCs so the structure has to be periodic. To prevent users using smaller plane wave dimension than the perioid, the software AUTOMATICALLY extends its dimension to be outside of the boundary conditions. This is why it changes.2: You can use\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/222798\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2022-07-29T18:57:56+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2022-07-29T18:57:56+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Can\u2019t setup the plane wave in lumerical fdtd. | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"There are several issues in your settings:1: in principle, plane wave only works with periodic BCs so the structure has to be periodic. To prevent users using smaller plane wave dimension than the perioid, the software AUTOMATICALLY extends its dimension to be outside of the boundary conditions. This is why it changes.2: You can use\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/222798\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/222798\\\/#listItem\",\"name\":\"Reply To: Can&#8217;t setup the plane wave in lumerical fdtd.\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/222798\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Can&#8217;t setup the plane wave in lumerical fdtd.\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/222798\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/222798\\\/\",\"name\":\"Reply To: Can\\u2019t setup the plane wave in lumerical fdtd. | Ansys Learning Forum\",\"description\":\"There are several issues in your settings:1: in principle, plane wave only works with periodic BCs so the structure has to be periodic. To prevent users using smaller plane wave dimension than the perioid, the software AUTOMATICALLY extends its dimension to be outside of the boundary conditions. This is why it changes.2: You can use\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/222798\\\/#breadcrumblist\"},\"datePublished\":\"2022-07-29T18:57:56+00:00\",\"dateModified\":\"2022-07-29T18:57:56+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\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Reply To: Can\u2019t setup the plane wave in lumerical fdtd. | Ansys Learning Forum","description":"There are several issues in your settings:1: in principle, plane wave only works with periodic BCs so the structure has to be periodic. To prevent users using smaller plane wave dimension than the perioid, the software AUTOMATICALLY extends its dimension to be outside of the boundary conditions. This is why it changes.2: You can use","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/222798\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/222798\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","position":1,"name":"Home","item":"https:\/\/innovationspace.ansys.com\/forum","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/222798\/#listItem","name":"Reply To: Can&#8217;t setup the plane wave in lumerical fdtd."}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/222798\/#listItem","position":2,"name":"Reply To: Can&#8217;t setup the plane wave in lumerical fdtd.","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}}]},{"@type":"Organization","@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization","name":"Ansys Learning Forum","description":"Ansys Innovation Space","url":"https:\/\/innovationspace.ansys.com\/forum\/"},{"@type":"WebPage","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/222798\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/222798\/","name":"Reply To: Can\u2019t setup the plane wave in lumerical fdtd. | Ansys Learning Forum","description":"There are several issues in your settings:1: in principle, plane wave only works with periodic BCs so the structure has to be periodic. To prevent users using smaller plane wave dimension than the perioid, the software AUTOMATICALLY extends its dimension to be outside of the boundary conditions. This is why it changes.2: You can use","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/222798\/#breadcrumblist"},"datePublished":"2022-07-29T18:57:56+00:00","dateModified":"2022-07-29T18:57:56+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":"Reply To: Can\u2019t setup the plane wave in lumerical fdtd. | Ansys Learning Forum","og:description":"There are several issues in your settings:1: in principle, plane wave only works with periodic BCs so the structure has to be periodic. To prevent users using smaller plane wave dimension than the perioid, the software AUTOMATICALLY extends its dimension to be outside of the boundary conditions. This is why it changes.2: You can use","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/222798\/","article:published_time":"2022-07-29T18:57:56+00:00","article:modified_time":"2022-07-29T18:57:56+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Can\u2019t setup the plane wave in lumerical fdtd. | Ansys Learning Forum","twitter:description":"There are several issues in your settings:1: in principle, plane wave only works with periodic BCs so the structure has to be periodic. To prevent users using smaller plane wave dimension than the perioid, the software AUTOMATICALLY extends its dimension to be outside of the boundary conditions. This is why it changes.2: You can use"},"aioseo_meta_data":{"post_id":"222798","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 03:40:47","updated":"2026-08-12 01:09:35","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\tReply To: Can\u2019t setup the plane wave in lumerical fdtd.\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Reply To: Can&#8217;t setup the plane wave in lumerical fdtd.","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/222798\/"}],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/222798","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/222798\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=222798"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}