{"id":30107,"date":"2022-05-05T10:20:17","date_gmt":"2022-05-05T14:20:17","guid":{"rendered":"https:\/\/www.iridian.ca\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/"},"modified":"2023-10-17T05:27:07","modified_gmt":"2023-10-17T09:27:07","slug":"filter-specs-vs-functional-specs-the-pitfall-of-double-margining","status":"publish","type":"post","link":"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/","title":{"rendered":"Filter specs vs Functional specs \u2013 the pitfall of double margining"},"content":{"rendered":"<p>In designing a filter solution, the filter manufacturer takes the values requested by the user and adds additional design margin to account for both functional effects (such as wavelength shift due to angle variation, thermal induced wavelength shift, etc) and filter manufacturing effects (such as edge steepness, nonuniformity, wavelength targeting \u2013 see our technical note \u201c<a href=\"https:\/\/www.iridian.ca\/zh-hans\/learning_center\/wavelength-budgeting-for-optical-filters-dup\/\">Wavelength budgeting for optical filters<\/a>\u201d).<\/p>\n<p>Often customers translate functional requirements of their system (e.g. pass light source 1 @ \u03bb<sub>1<\/sub>, block light source 2 @ \u03bb<sub>2<\/sub>) and add wavelength \u201cpadding\u201d to the values to create the \u201cfilter spec\u201d (e.g. CWL, FWHM, etc).\u00a0\u00a0 When the values provided have been \u201cpadded\u201d the result is over margining (or under margining) of the transmission\/blocking wavelengths. This result is a more costly solution with compromised performance. Given the functional requirements of your system, Iridian\u2019s expert designers can produce a filter specification that will provide the best performance for your request.<\/p>\n<p>&nbsp;<\/p>\n\n<table id=\"tablepress-77\" class=\"tablepress tablepress-id-77\">\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-1\">\n\t<td class=\"column-1\"><a href=\"\/wp-content\/uploads\/2022\/05\/Yes-mark.png\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/05\/Yes-mark.png\" alt=\"\" width=\"48\" height=\"48\" class=\"aligncenter size-full wp-image-30097\" \/><\/a><\/td><td class=\"column-2\"><a href=\"\/wp-content\/uploads\/2022\/05\/No-mark.png\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/05\/No-mark.png\" alt=\"\" width=\"48\" height=\"48\" class=\"aligncenter size-full wp-image-30099\" \/><\/a><\/td>\n<\/tr>\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Provide the spectral bands of your application (including all uncertainties)<\/td><td class=\"column-2\">Specify a CWL, FWHM, etc. with assumptions on manufacturing margin<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Provide the AOI range and cone angle of your beam<\/td><td class=\"column-2\">Specify spectral widths assuming certain AOI shifts<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">Provide the functional requirement for spectral width and depth of blocking bands<\/td><td class=\"column-2\">Add margin to spectral width or depth which adds unnecessary cost and can degrade overall performance.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-77 from cache -->\n<p>&nbsp;<\/p>\n<p><a href=\"\/wp-content\/uploads\/2022\/05\/Chart-functional-spec.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-30102\" src=\"\/wp-content\/uploads\/2022\/05\/Chart-functional-spec-1024x425.png\" alt=\"\" width=\"1024\" height=\"425\" srcset=\"\/wp-content\/uploads\/2022\/05\/Chart-functional-spec-1024x425.png 1024w, \/wp-content\/uploads\/2022\/05\/Chart-functional-spec-980x407.png 980w, \/wp-content\/uploads\/2022\/05\/Chart-functional-spec-480x199.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In designing a filter solution, the filter manufacturer [&hellip;]<\/p>\n","protected":false},"author":159,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[2234,2230,2236],"tags":[],"class_list":["post-30107","post","type-post","status-publish","format-standard","hentry","category-cn-technical-notes","category-cn-learning-center","category-cn-featured"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Filter specs vs Functional specs \u2013 the pitfall of double margining - Iridian Spectral Technologies<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Filter specs vs Functional specs \u2013 the pitfall of double margining\" \/>\n<meta property=\"og:description\" content=\"In designing a filter solution, the filter manufacturer [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/\" \/>\n<meta property=\"og:site_name\" content=\"Iridian Spectral Technologies\" \/>\n<meta property=\"article:published_time\" content=\"2022-05-05T14:20:17+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-10-17T09:27:07+00:00\" \/>\n<meta name=\"author\" content=\"Jeremy Liu\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@IridianSpectral\" \/>\n<meta name=\"twitter:site\" content=\"@IridianSpectral\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jeremy Liu\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/\"},\"author\":{\"name\":\"Jeremy Liu\",\"@id\":\"https:\/\/www.iridian.ca\/#\/schema\/person\/fb22ca7f20b82edc2caa1ca0d153e72b\"},\"headline\":\"Filter specs vs Functional specs \u2013 the pitfall of double margining\",\"datePublished\":\"2022-05-05T14:20:17+00:00\",\"dateModified\":\"2023-10-17T09:27:07+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/\"},\"wordCount\":161,\"publisher\":{\"@id\":\"https:\/\/www.iridian.ca\/#organization\"},\"articleSection\":[\"\u6280\u672f\u6027\u8bf4\u660e\",\"\u77e5\u8bc6\u5e93\",\"\u7cbe\u9009\u6587\u7ae0\"],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/\",\"url\":\"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/\",\"name\":\"Filter specs vs Functional specs \u2013 the pitfall of double margining - Iridian Spectral Technologies\",\"isPartOf\":{\"@id\":\"https:\/\/www.iridian.ca\/#website\"},\"datePublished\":\"2022-05-05T14:20:17+00:00\",\"dateModified\":\"2023-10-17T09:27:07+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.iridian.ca\/zh-hans\/home-cn-dup\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Filter specs vs Functional specs \u2013 the pitfall of double margining\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.iridian.ca\/#website\",\"url\":\"https:\/\/www.iridian.ca\/\",\"name\":\"Iridian Spectral Technologies\",\"description\":\"Innovative Thin-Film Optical Filters\",\"publisher\":{\"@id\":\"https:\/\/www.iridian.ca\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.iridian.ca\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.iridian.ca\/#organization\",\"name\":\"Iridian Spectral Technologies\",\"url\":\"https:\/\/www.iridian.ca\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.iridian.ca\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.iridian.ca\/wp-content\/uploads\/2017\/02\/Iridian-logo-reverse-jpg_mini.jpg\",\"contentUrl\":\"https:\/\/www.iridian.ca\/wp-content\/uploads\/2017\/02\/Iridian-logo-reverse-jpg_mini.jpg\",\"width\":930,\"height\":323,\"caption\":\"Iridian Spectral Technologies\"},\"image\":{\"@id\":\"https:\/\/www.iridian.ca\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/x.com\/IridianSpectral\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.iridian.ca\/#\/schema\/person\/fb22ca7f20b82edc2caa1ca0d153e72b\",\"name\":\"Jeremy Liu\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.iridian.ca\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/ea23f2750df6c7c72d4e1eb71785ccc6270f5cb2a7889fc3459828d57afe0329?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/ea23f2750df6c7c72d4e1eb71785ccc6270f5cb2a7889fc3459828d57afe0329?s=96&d=mm&r=g\",\"caption\":\"Jeremy Liu\"},\"url\":\"https:\/\/www.iridian.ca\/zh-hans\/author\/jeremy\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Filter specs vs Functional specs \u2013 the pitfall of double margining - Iridian Spectral Technologies","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/","og_locale":"zh_CN","og_type":"article","og_title":"Filter specs vs Functional specs \u2013 the pitfall of double margining","og_description":"In designing a filter solution, the filter manufacturer [&hellip;]","og_url":"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/","og_site_name":"Iridian Spectral Technologies","article_published_time":"2022-05-05T14:20:17+00:00","article_modified_time":"2023-10-17T09:27:07+00:00","author":"Jeremy Liu","twitter_card":"summary_large_image","twitter_creator":"@IridianSpectral","twitter_site":"@IridianSpectral","twitter_misc":{"\u4f5c\u8005":"Jeremy Liu","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/#article","isPartOf":{"@id":"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/"},"author":{"name":"Jeremy Liu","@id":"https:\/\/www.iridian.ca\/#\/schema\/person\/fb22ca7f20b82edc2caa1ca0d153e72b"},"headline":"Filter specs vs Functional specs \u2013 the pitfall of double margining","datePublished":"2022-05-05T14:20:17+00:00","dateModified":"2023-10-17T09:27:07+00:00","mainEntityOfPage":{"@id":"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/"},"wordCount":161,"publisher":{"@id":"https:\/\/www.iridian.ca\/#organization"},"articleSection":["\u6280\u672f\u6027\u8bf4\u660e","\u77e5\u8bc6\u5e93","\u7cbe\u9009\u6587\u7ae0"],"inLanguage":"zh-Hans"},{"@type":"WebPage","@id":"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/","url":"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/","name":"Filter specs vs Functional specs \u2013 the pitfall of double margining - Iridian Spectral Technologies","isPartOf":{"@id":"https:\/\/www.iridian.ca\/#website"},"datePublished":"2022-05-05T14:20:17+00:00","dateModified":"2023-10-17T09:27:07+00:00","breadcrumb":{"@id":"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.iridian.ca\/zh-hans\/cn-learning-center\/filter-specs-vs-functional-specs-the-pitfall-of-double-margining\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.iridian.ca\/zh-hans\/home-cn-dup\/"},{"@type":"ListItem","position":2,"name":"Filter specs vs Functional specs \u2013 the pitfall of double margining"}]},{"@type":"WebSite","@id":"https:\/\/www.iridian.ca\/#website","url":"https:\/\/www.iridian.ca\/","name":"Iridian Spectral Technologies","description":"Innovative Thin-Film Optical Filters","publisher":{"@id":"https:\/\/www.iridian.ca\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.iridian.ca\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-Hans"},{"@type":"Organization","@id":"https:\/\/www.iridian.ca\/#organization","name":"Iridian Spectral Technologies","url":"https:\/\/www.iridian.ca\/","logo":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.iridian.ca\/#\/schema\/logo\/image\/","url":"https:\/\/www.iridian.ca\/wp-content\/uploads\/2017\/02\/Iridian-logo-reverse-jpg_mini.jpg","contentUrl":"https:\/\/www.iridian.ca\/wp-content\/uploads\/2017\/02\/Iridian-logo-reverse-jpg_mini.jpg","width":930,"height":323,"caption":"Iridian Spectral Technologies"},"image":{"@id":"https:\/\/www.iridian.ca\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/x.com\/IridianSpectral"]},{"@type":"Person","@id":"https:\/\/www.iridian.ca\/#\/schema\/person\/fb22ca7f20b82edc2caa1ca0d153e72b","name":"Jeremy Liu","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.iridian.ca\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/ea23f2750df6c7c72d4e1eb71785ccc6270f5cb2a7889fc3459828d57afe0329?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/ea23f2750df6c7c72d4e1eb71785ccc6270f5cb2a7889fc3459828d57afe0329?s=96&d=mm&r=g","caption":"Jeremy Liu"},"url":"https:\/\/www.iridian.ca\/zh-hans\/author\/jeremy\/"}]}},"_links":{"self":[{"href":"https:\/\/www.iridian.ca\/zh-hans\/wp-json\/wp\/v2\/posts\/30107","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iridian.ca\/zh-hans\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iridian.ca\/zh-hans\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iridian.ca\/zh-hans\/wp-json\/wp\/v2\/users\/159"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iridian.ca\/zh-hans\/wp-json\/wp\/v2\/comments?post=30107"}],"version-history":[{"count":1,"href":"https:\/\/www.iridian.ca\/zh-hans\/wp-json\/wp\/v2\/posts\/30107\/revisions"}],"predecessor-version":[{"id":30113,"href":"https:\/\/www.iridian.ca\/zh-hans\/wp-json\/wp\/v2\/posts\/30107\/revisions\/30113"}],"wp:attachment":[{"href":"https:\/\/www.iridian.ca\/zh-hans\/wp-json\/wp\/v2\/media?parent=30107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iridian.ca\/zh-hans\/wp-json\/wp\/v2\/categories?post=30107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iridian.ca\/zh-hans\/wp-json\/wp\/v2\/tags?post=30107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}