{"id":393209,"date":"2024-11-07T15:48:01","date_gmt":"2024-11-07T15:48:01","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393209\/"},"modified":"2024-11-07T15:48:01","modified_gmt":"2024-11-07T15:48:01","slug":"393209","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393209\/","title":{"rendered":"Reply To: Illumination with an incident angle greater than 0\u00b0 FDTD"},"content":{"rendered":"<p>&lt;p&gt;I also have what I think is the same or very similar question! If you have a plane wave source angled at say 45deg and at a distance say &#8216;z&#8217; below a surface on which you wish it to be incident, do you also have to offset it laterally by &#8216;z&#8217; to accommodate the fact that it is angled at 45deg? Or does the software ignore the incidence angle and automatically just take it and apply it to any structures directly in line with its footprint on the propagation axis? (And why is this not discussed or explained in the reference manual or &#8216;FDTD course&#8217;?).&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-393209","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=\"I also have what I think is the same or very similar question! If you have a plane wave source angled at say 45deg and at a distance say &#039;z&#039; below a surface on which you wish it to be incident, do you also have to offset it laterally by &#039;z&#039; to accommodate the fact\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393209\/\" \/>\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: Illumination with an incident angle greater than 0\u00b0 FDTD | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I also have what I think is the same or very similar question! If you have a plane wave source angled at say 45deg and at a distance say &#039;z&#039; below a surface on which you wish it to be incident, do you also have to offset it laterally by &#039;z&#039; to accommodate the fact\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393209\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-11-07T15:48:01+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-11-07T15:48:01+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Illumination with an incident angle greater than 0\u00b0 FDTD | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"I also have what I think is the same or very similar question! If you have a plane wave source angled at say 45deg and at a distance say &#039;z&#039; below a surface on which you wish it to be incident, do you also have to offset it laterally by &#039;z&#039; to accommodate the fact\" \/>\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\\\/393209\\\/#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\\\/393209\\\/#listItem\",\"name\":\"Reply To: Illumination with an incident angle greater than 0\\u00b0 FDTD\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/393209\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Illumination with an incident angle greater than 0\\u00b0 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\\\/393209\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/393209\\\/\",\"name\":\"Reply To: Illumination with an incident angle greater than 0\\u00b0 FDTD | Ansys Learning Forum\",\"description\":\"I also have what I think is the same or very similar question! If you have a plane wave source angled at say 45deg and at a distance say 'z' below a surface on which you wish it to be incident, do you also have to offset it laterally by 'z' to accommodate the fact\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/393209\\\/#breadcrumblist\"},\"datePublished\":\"2024-11-07T15:48:01+00:00\",\"dateModified\":\"2024-11-07T15:48:01+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: Illumination with an incident angle greater than 0\u00b0 FDTD | Ansys Learning Forum","description":"I also have what I think is the same or very similar question! If you have a plane wave source angled at say 45deg and at a distance say 'z' below a surface on which you wish it to be incident, do you also have to offset it laterally by 'z' to accommodate the fact","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393209\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393209\/#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\/393209\/#listItem","name":"Reply To: Illumination with an incident angle greater than 0\u00b0 FDTD"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393209\/#listItem","position":2,"name":"Reply To: Illumination with an incident angle greater than 0\u00b0 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\/393209\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393209\/","name":"Reply To: Illumination with an incident angle greater than 0\u00b0 FDTD | Ansys Learning Forum","description":"I also have what I think is the same or very similar question! If you have a plane wave source angled at say 45deg and at a distance say 'z' below a surface on which you wish it to be incident, do you also have to offset it laterally by 'z' to accommodate the fact","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393209\/#breadcrumblist"},"datePublished":"2024-11-07T15:48:01+00:00","dateModified":"2024-11-07T15:48:01+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: Illumination with an incident angle greater than 0\u00b0 FDTD | Ansys Learning Forum","og:description":"I also have what I think is the same or very similar question! If you have a plane wave source angled at say 45deg and at a distance say 'z' below a surface on which you wish it to be incident, do you also have to offset it laterally by 'z' to accommodate the fact","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/393209\/","article:published_time":"2024-11-07T15:48:01+00:00","article:modified_time":"2024-11-07T15:48:01+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Illumination with an incident angle greater than 0\u00b0 FDTD | Ansys Learning Forum","twitter:description":"I also have what I think is the same or very similar question! 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