{"product_id":"nbp3910-180nm-infrared-narrow-band-filter-3910nm-75-transmittance-silicon-substrate-ir-optical-filter-senba","title":"NBP3910-180nm Infrared Narrow Band Filter 3910nm ≥75% Transmittance Silicon Substrate | IR Optical Filter | SENBA","description":"\u003cdiv\u003e\n\u003cdiv class=\"flex h-svh w-screen flex-col\"\u003e\n\u003cdiv class=\"relative z-0 flex min-h-0 w-full flex-1\"\u003e\n\u003cdiv class=\"relative flex min-h-0 w-full flex-1\"\u003e\n\u003cdiv class=\"@container\/main relative flex min-w-0 flex-1 flex-col -translate-y-[calc(env(safe-area-inset-bottom,0px)\/2)] pt-[calc(env(safe-area-inset-bottom,0px)\/2)]\"\u003e\n\u003cdiv data-scroll-root=\"\" class=\"@w-sm\/main:[scrollbar-gutter:var(--stage-scroll-gutter)] touch:[scrollbar-width:none] group\/scroll-root relative flex min-h-0 min-w-0 flex-1 flex-col [scrollbar-gutter:stable] not-print:overflow-x-clip not-print:overflow-y-auto group-data-stream-active\/scroll-root:[overflow-anchor:none] scroll-pt-(--header-height) [--sticky-padding-top:var(--header-height)] [--sticky-padding-bottom:0px] [--scroll-root-safe-area-inset-top:calc(var(--sticky-padding-top)+env(safe-area-inset-top,0px))] [--scroll-root-safe-area-inset-bottom:calc(var(--sticky-padding-bottom)+var(--screen-keyboard-height,0px)+env(safe-area-inset-bottom,0px))] [--scroll-root-safe-area-height:calc(100lvh-var(--scroll-root-safe-area-inset-top)-var(--scroll-root-safe-area-inset-bottom))] has-data-[fixed-header=less-than-xl]:@w-xl\/main:scroll-pt-0 has-data-[fixed-header=less-than-xl]:@w-xl\/main:[--sticky-padding-top:0px] has-data-[fixed-header=less-than-xxl]:@w-2xl\/main:scroll-pt-0 has-data-[fixed-header=less-than-xxl]:@w-2xl\/main:[--sticky-padding-top:0px]\" data-scroll-from-top=\"\"\u003e\u003cmain class=\"min-h-0 flex-1\" id=\"main\"\u003e\n\u003cdiv id=\"thread\" class=\"group\/thread flex flex-col min-h-full\"\u003e\n\u003cdiv role=\"presentation\" class=\"composer-parent flex flex-1 flex-col focus-visible:outline-0\"\u003e\n\u003cdiv class=\"relative basis-auto flex-col -mb-(--composer-overlap-px) pb-(--composer-overlap-px) [--composer-overlap-px:55px] grow flex\"\u003e\n\u003cdiv class=\"flex flex-col text-sm\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69f587ce-b43c-8324-bddd-d5bdce83fa3b-29\" data-testid=\"conversation-turn-228\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"67f22e22-7ed9-4ae7-b632-d552736a4924\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"134\" data-end=\"559\"\u003eThe NBP3910-180nm Infrared Narrow Band Filter from SENBA is a high-precision optical component designed for selective infrared wavelength transmission in advanced sensing and analytical systems. Centered at 3910±50nm with a narrow bandwidth of 180±30nm, it delivers excellent spectral accuracy, making it ideal for chemical gas detection, infrared spectroscopy, and scientific measurement applications.\u003c\/p\u003e\n\u003cp data-start=\"561\" data-end=\"994\"\u003eFabricated using advanced thin-film coating technology on a silicon substrate, the filter ensures high transmittance of ≥75% within the designated passband. It also provides strong out-of-band suppression, achieving average transmittance of ≤1% in the 1–5µm range outside the passband. This high blocking performance significantly reduces interference, improving signal clarity and measurement precision in sensitive optical systems.\u003c\/p\u003e\n\u003cp data-start=\"996\" data-end=\"1410\"\u003eThe silicon substrate offers excellent thermal stability, mechanical durability, and consistent optical performance under demanding conditions. With a standard diameter of 100±0.2mm and thickness of 0.5±0.05mm, the filter ensures reliable integration into a wide range of optical assemblies. Customization options for size, thickness, and substrate material are available to meet specific application requirements.\u003c\/p\u003e\n\u003cp data-start=\"1412\" data-end=\"1634\"\u003eCompared to conventional IR filters, the NBP3910-180nm provides superior spectral selectivity, improved transmission efficiency, and enhanced blocking capability, making it suitable for high-accuracy infrared applications.\u003c\/p\u003e\n\u003cp data-start=\"1636\" data-end=\"1655\"\u003e\u003cstrong data-start=\"1636\" data-end=\"1653\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1656\" data-end=\"1950\"\u003e\n\u003cli data-section-id=\"1lcvf9q\" data-start=\"1656\" data-end=\"1703\"\u003eNarrow band IR filter centered at 3910±50nm\u003c\/li\u003e\n\u003cli data-section-id=\"1h0ssy1\" data-start=\"1704\" data-end=\"1732\"\u003eHigh transmittance: ≥75%\u003c\/li\u003e\n\u003cli data-section-id=\"c5tlf9\" data-start=\"1733\" data-end=\"1756\"\u003eBandwidth: 180±30nm\u003c\/li\u003e\n\u003cli data-section-id=\"i0tfch\" data-start=\"1757\" data-end=\"1792\"\u003eStrong blocking: 1–5µm Tave ≤1%\u003c\/li\u003e\n\u003cli data-section-id=\"189ysg\" data-start=\"1793\" data-end=\"1843\"\u003eSilicon substrate for stability and durability\u003c\/li\u003e\n\u003cli data-section-id=\"1htl70j\" data-start=\"1844\" data-end=\"1895\"\u003eStandard size: Ø100±0.2mm, thickness 0.5±0.05mm\u003c\/li\u003e\n\u003cli data-section-id=\"dx4ulc\" data-start=\"1896\" data-end=\"1950\"\u003eCustomizable optical and mechanical specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1952\" data-end=\"1971\"\u003e\u003cstrong data-start=\"1952\" data-end=\"1969\"\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1972\" data-end=\"2237\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"2gyncw\" data-start=\"1972\" data-end=\"2006\"\u003eChemical gas detection systems\u003c\/li\u003e\n\u003cli data-section-id=\"6bjlsa\" data-start=\"2007\" data-end=\"2045\"\u003eInfrared spectroscopy and analysis\u003c\/li\u003e\n\u003cli data-section-id=\"rrg9ee\" data-start=\"2046\" data-end=\"2084\"\u003eEnvironmental monitoring equipment\u003c\/li\u003e\n\u003cli data-section-id=\"m89x5v\" data-start=\"2085\" data-end=\"2115\"\u003eIndustrial process control\u003c\/li\u003e\n\u003cli data-section-id=\"1afaiqi\" data-start=\"2116\" data-end=\"2155\"\u003eScientific research instrumentation\u003c\/li\u003e\n\u003cli data-section-id=\"1swn9ct\" data-start=\"2156\" data-end=\"2197\"\u003eOptical sensing and detection systems\u003c\/li\u003e\n\u003cli data-section-id=\"oas1xs\" data-start=\"2198\" data-end=\"2237\" data-is-last-node=\"\"\u003eGas leak detection and safety systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/main\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\u003cdialog class=\"group\/dialog @container inset-0 min-h-full min-w-full whitespace-normal items-center justify-center overflow-auto overscroll-y-contain bg-[rgba(0,0,0,0.5)] backdrop-blur-[1px]\"\u003e\u003c\/dialog\u003e\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003caudio class=\"fixed start-0 bottom-0 hidden h-0 w-0\" autoplay=\"autoplay\" crossorigin=\"anonymous\"\u003e\u003c\/audio\u003e\u003c\/p\u003e","brand":"SENBA","offers":[{"title":"Default Title","offer_id":43908679860289,"sku":null,"price":0.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/4468\/5633\/files\/Sensors_Transducers-01-01.png?v=1777530654","url":"https:\/\/hext.in\/products\/nbp3910-180nm-infrared-narrow-band-filter-3910nm-75-transmittance-silicon-substrate-ir-optical-filter-senba","provider":"Hext by Regent Electronics","version":"1.0","type":"link"}