{"id":291020,"date":"2023-06-29T22:31:04","date_gmt":"2023-06-29T22:31:04","guid":{"rendered":"\/forum\/forums\/topic\/apodization-in-subwavelength-gratings\/"},"modified":"2023-06-29T22:31:04","modified_gmt":"2023-06-29T22:31:04","slug":"apodization-in-subwavelength-gratings","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/apodization-in-subwavelength-gratings\/","title":{"rendered":"Apodization in Subwavelength Gratings"},"content":{"rendered":"<p>Hi, I am trying to simulate sub wavelength bandstructure using the example provided (https:\/\/www.lumerical.com\/learn\/video\/swg-bandstructures\/ ) in FDTD . In the parameter section of SWG_bandstructure.fsp \/ model , i can see apod_center, apod_width, how do i set these? Do i assume it as the center of grating length and assume a random width?<\/p>\n","protected":false},"template":"","class_list":["post-291020","topic","type-topic","status-closed","hentry","topic-tag-fdtd","topic-tag-lumerical"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi, I am trying to simulate sub wavelength bandstructure using the example provided (https:\/\/www.lumerical.com\/learn\/video\/swg-bandstructures\/ ) in FDTD . In the parameter section of SWG_bandstructure.fsp \/ model , i can see apod_center, apod_width, how do i set these? Do i assume it as the center of grating length and assume a random width?\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/apodization-in-subwavelength-gratings\/\" \/>\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=\"Apodization in Subwavelength Gratings | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hi, I am trying to simulate sub wavelength bandstructure using the example provided (https:\/\/www.lumerical.com\/learn\/video\/swg-bandstructures\/ ) in FDTD . In the parameter section of SWG_bandstructure.fsp \/ model , i can see apod_center, apod_width, how do i set these? Do i assume it as the center of grating length and assume a random width?\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/apodization-in-subwavelength-gratings\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-06-29T22:31:04+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-06-29T22:31:04+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Apodization in Subwavelength Gratings | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hi, I am trying to simulate sub wavelength bandstructure using the example provided (https:\/\/www.lumerical.com\/learn\/video\/swg-bandstructures\/ ) in FDTD . In the parameter section of SWG_bandstructure.fsp \/ model , i can see apod_center, apod_width, how do i set these? Do i assume it as the center of grating length and assume a random width?\" \/>\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\\\/topic\\\/apodization-in-subwavelength-gratings\\\/#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\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/fdtd\\\/#listItem\",\"name\":\"fdtd\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/fdtd\\\/#listItem\",\"position\":3,\"name\":\"fdtd\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/fdtd\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/apodization-in-subwavelength-gratings\\\/#listItem\",\"name\":\"Apodization in Subwavelength Gratings\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/apodization-in-subwavelength-gratings\\\/#listItem\",\"position\":4,\"name\":\"Apodization in Subwavelength Gratings\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/fdtd\\\/#listItem\",\"name\":\"fdtd\"}}]},{\"@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\\\/topic\\\/apodization-in-subwavelength-gratings\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/apodization-in-subwavelength-gratings\\\/\",\"name\":\"Apodization in Subwavelength Gratings | Ansys Learning Forum\",\"description\":\"Hi, I am trying to simulate sub wavelength bandstructure using the example provided (https:\\\/\\\/www.lumerical.com\\\/learn\\\/video\\\/swg-bandstructures\\\/ ) in FDTD . In the parameter section of SWG_bandstructure.fsp \\\/ model , i can see apod_center, apod_width, how do i set these? Do i assume it as the center of grating length and assume a random width?\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/apodization-in-subwavelength-gratings\\\/#breadcrumblist\"},\"datePublished\":\"2023-06-29T22:31:04+00:00\",\"dateModified\":\"2023-06-29T22:31:04+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":"Apodization in Subwavelength Gratings | Ansys Learning Forum","description":"Hi, I am trying to simulate sub wavelength bandstructure using the example provided (https:\/\/www.lumerical.com\/learn\/video\/swg-bandstructures\/ ) in FDTD . In the parameter section of SWG_bandstructure.fsp \/ model , i can see apod_center, apod_width, how do i set these? 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