{"id":395089,"date":"2024-11-24T16:06:35","date_gmt":"2024-11-24T16:06:35","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-lumerical-calculates-the-magnitude-of-p-in-the-dft-monitor\/"},"modified":"2024-11-24T16:06:35","modified_gmt":"2024-11-24T16:06:35","slug":"how-lumerical-calculates-the-magnitude-of-p-in-the-dft-monitor","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-lumerical-calculates-the-magnitude-of-p-in-the-dft-monitor\/","title":{"rendered":"How Lumerical calculates the magnitude of P in the DFT monitor"},"content":{"rendered":"<p>&lt;p&gt;I got a 300&#215;300 grid of Px, Py, Pz and the magnitude of P. And I verified the Px,Py and Pz using the formulation &#8221; E X H &#8220;, and they are the same(Px = 28.3551, Py=0.3078, Pz=0.9386). But the result of the magnitude of the P is not the same as that in the monitor(P_magnitude_in_Lumerical=34.6079, P_magnitude_I_calculate=28.3723, sqrt(Px^2+Py^2+Pz^2)). I&#8217;m wondering the way how Lumerical calculate the magnitude of P.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-395089","topic","type-topic","status-publish","hentry","topic-tag-monitor-1","topic-tag-output","topic-tag-power"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I got a 300x300 grid of Px, Py, Pz and the magnitude of P. And I verified the Px,Py and Pz using the formulation &quot; E X H &quot;, and they are the same(Px = 28.3551, Py=0.3078, Pz=0.9386). But the result of the magnitude of the P is not the same as that in the\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-lumerical-calculates-the-magnitude-of-p-in-the-dft-monitor\/\" \/>\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=\"How Lumerical calculates the magnitude of P in the DFT monitor | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I got a 300x300 grid of Px, Py, Pz and the magnitude of P. And I verified the Px,Py and Pz using the formulation &quot; E X H &quot;, and they are the same(Px = 28.3551, Py=0.3078, Pz=0.9386). But the result of the magnitude of the P is not the same as that in the\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-lumerical-calculates-the-magnitude-of-p-in-the-dft-monitor\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-11-24T16:06:35+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-11-24T16:06:35+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"How Lumerical calculates the magnitude of P in the DFT monitor | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"I got a 300x300 grid of Px, Py, Pz and the magnitude of P. And I verified the Px,Py and Pz using the formulation &quot; E X H &quot;, and they are the same(Px = 28.3551, Py=0.3078, Pz=0.9386). But the result of the magnitude of the P is not the same as that in the\" \/>\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\\\/how-lumerical-calculates-the-magnitude-of-p-in-the-dft-monitor\\\/#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\\\/output\\\/#listItem\",\"name\":\"output\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/output\\\/#listItem\",\"position\":3,\"name\":\"output\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/output\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/how-lumerical-calculates-the-magnitude-of-p-in-the-dft-monitor\\\/#listItem\",\"name\":\"How Lumerical calculates the magnitude of P in the DFT monitor\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/how-lumerical-calculates-the-magnitude-of-p-in-the-dft-monitor\\\/#listItem\",\"position\":4,\"name\":\"How Lumerical calculates the magnitude of P in the DFT monitor\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/output\\\/#listItem\",\"name\":\"output\"}}]},{\"@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\\\/how-lumerical-calculates-the-magnitude-of-p-in-the-dft-monitor\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/how-lumerical-calculates-the-magnitude-of-p-in-the-dft-monitor\\\/\",\"name\":\"How Lumerical calculates the magnitude of P in the DFT monitor | Ansys Learning Forum\",\"description\":\"I got a 300x300 grid of Px, Py, Pz and the magnitude of P. 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And I verified the Px,Py and Pz using the formulation \" E X H \", and they are the same(Px = 28.3551, Py=0.3078, Pz=0.9386). But the result of the magnitude of the P is not the same as that in the","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-lumerical-calculates-the-magnitude-of-p-in-the-dft-monitor\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-lumerical-calculates-the-magnitude-of-p-in-the-dft-monitor\/#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\/output\/#listItem","name":"output"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/output\/#listItem","position":3,"name":"output","item":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/output\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-lumerical-calculates-the-magnitude-of-p-in-the-dft-monitor\/#listItem","name":"How Lumerical calculates the magnitude of P in the DFT monitor"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-lumerical-calculates-the-magnitude-of-p-in-the-dft-monitor\/#listItem","position":4,"name":"How Lumerical calculates the magnitude of P in the DFT monitor","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/output\/#listItem","name":"output"}}]},{"@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\/how-lumerical-calculates-the-magnitude-of-p-in-the-dft-monitor\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-lumerical-calculates-the-magnitude-of-p-in-the-dft-monitor\/","name":"How Lumerical calculates the magnitude of P in the DFT monitor | Ansys Learning Forum","description":"I got a 300x300 grid of Px, Py, Pz and the magnitude of P. 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But the result of the magnitude of the P is not the same as that in the","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-lumerical-calculates-the-magnitude-of-p-in-the-dft-monitor\/#breadcrumblist"},"datePublished":"2024-11-24T16:06:35+00:00","dateModified":"2024-11-24T16:06:35+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 Lumerical calculates the magnitude of P in the DFT monitor | Ansys Learning Forum","og:description":"I got a 300x300 grid of Px, Py, Pz and the magnitude of P. 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But the result of the magnitude of the P is not the same as that in the"},"aioseo_meta_data":{"post_id":"395089","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":"default","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":false,"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":"2025-10-19 09:32:35","updated":"2025-10-19 09:32:35","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\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\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/output\/\" title=\"output\">output<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tHow Lumerical calculates the magnitude of P in the DFT monitor\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":"output","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/output\/"},{"label":"How Lumerical calculates the magnitude of P in the DFT monitor","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-lumerical-calculates-the-magnitude-of-p-in-the-dft-monitor\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["484995","18532"],"_bbp_author_ip":["211.72.214.20"],"_btv_view_count":["420"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["395089"],"_bbp_forum_id":["27833"],"_bbp_engagement":["18532","484995"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["395312"],"_bbp_last_active_id":["395312"],"_bbp_last_active_time":["2024-11-26 10:21:50"]},"test":"lbhcq0412gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/395089","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\/395089\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=395089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}