{"product_id":"ar2s-uvb-01","title":"AR2S-UVB-01 Anti-reflection coating","description":"\u003cnav aria-label=\"Product family\"\u003e\u003cp\u003e\u003ca href=\"\/collections\/all-products\"\u003eAll optics\u003c\/a\u003e \/ \u003ca href=\"\/collections\/anti-reflective-ar-coatings\"\u003eAnti-Reflective Coatings\u003c\/a\u003e\u003c\/p\u003e\u003c\/nav\u003e\u003cstyle\u003e\n.ko-reviewed{color:#222;font-family:inherit;line-height:1.65;overflow-wrap:anywhere}\n.ko-reviewed *{box-sizing:border-box}.ko-reviewed h2,.ko-reviewed h3{color:#005F96;line-height:1.3}\n.ko-reviewed h2{font-size:24px;margin:0 0 1rem}.ko-reviewed h3{font-size:19px;margin:1.7rem 0 .65rem}\n.ko-reviewed p{margin:.6rem 0 1rem}.ko-reviewed ul{padding-left:1.25rem;margin:.6rem 0 1rem}\n.ko-reviewed li{padding-left:.15rem;margin:.55rem 0}.ko-reviewed .ko-note{border-left:3px solid #c9dae4;padding:.65rem 1rem;background:#f7fafc;font-size:.95em}\n.ko-reviewed a{color:#005F96;text-decoration:underline}\n\n@media(max-width:480px){.ko-reviewed h2{font-size:22px}.ko-reviewed h3{font-size:18px}.ko-reviewed .ko-note{padding:.65rem .8rem}}\n\u003c\/style\u003e\u003csection class=\"ko-reviewed\"\u003e\u003ch2 class=\"ko-catalog-description-title\"\u003eAnti-reflection coating (AR2S-UVB-01)\u003c\/h2\u003e\n\u003cp\u003eAR2S-UVB-01 is an anti-reflection coating. The measured curve shows a high-transmission region at approximately 349-800 nm. Use it when you want to pass a broad range of wavelengths. Add a separate filter if you need to select a specific band.\u003c\/p\u003e\n\u003ch3\u003eOptical performance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasured wavelength range:\u003c\/strong\u003e 300-800 nm. Performance outside this measured interval is not established by this curve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelected regions at or above 80% transmission:\u003c\/strong\u003e 349-800 nm. Approximate measured intervals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelected regions at or below 5% transmission:\u003c\/strong\u003e 300-313 nm. Measured sample intervals; confirm the required blocking for your order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak transmission:\u003c\/strong\u003e Approximately 97.2% at 411 nm. Peak wavelength is not the same as a defined centre wavelength.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAverage measured transmission, 370-440 nm:\u003c\/strong\u003e 96.046%. Calculated from the factory sample data.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomization:\u003c\/strong\u003e We can customize stock and sample-book designs. Tell us the wavelength response, size and operating conditions you need.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ko-note\"\u003eThese values come from the measured samples and help you choose a starting design. We will agree the final specification for your order. Custom versions have their own specifications and measured curves.\u003c\/p\u003e\n\u003ch3\u003eApplications to consider\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNear-ultraviolet\/violet optical windows:\u003c\/strong\u003e Consider this window when the wavelengths you want to pass fall within 349-800 nm. Confirm the substrate and coated surfaces for the assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShared optical paths:\u003c\/strong\u003e Consider it when several wavelengths need to pass through the same window. Add separate spectral selection if the channels need to be isolated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstrument throughput improvement:\u003c\/strong\u003e Check how much light the coated optic passes against the needs of your system. Confirm reflectance, working angle and surface quality for your design.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing this filter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSelect by the documented near-UV\/violet wavelengths; the SKU identifier is not a UVB-band specification.\u003c\/li\u003e\n\u003cli\u003eTransmission is broadband and does not itself separate wavelength channels. Confirm the required reflectance, coated surfaces, substrate and angle of incidence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCustom options\u003c\/h3\u003e\n\u003cp\u003eStart with this stock or sample-book design, then tell us what you need to change. We can discuss the wavelength bands, transmission, blocking, angle, glass material, size and operating conditions with you, and agree a specification for your custom filter.\u003c\/p\u003e\u003c\/section\u003e\u003ch3\u003eTransmission spectrum\u003c\/h3\u003e\u003ciframe src=\"https:\/\/charts.kupooptics.com\/AR2S-UVB-01.html\" title=\"AR2S-UVB-01 transmission spectrum with wavelength readout\" loading=\"lazy\" width=\"100%\" height=\"880\" style=\"border:0;width:100%;height:clamp(640px,calc(43vw + 320px),880px);\" referrerpolicy=\"no-referrer-when-downgrade\"\u003e\u003c\/iframe\u003e\u003csection class=\"ko-reviewed ko-product-faq\" aria-label=\"Product questions\"\u003e\u003ch2\u003eQuestions about AR2S-UVB-01\u003c\/h2\u003e\n\u003ch3\u003eWhat transmission does the AR2S-UVB-01 measured sample show?\u003c\/h3\u003e\n\u003cp\u003eThe sample data gives 96.046% average transmission over 370-440 nm. Start with the interval that covers your source and detector. The measurement covers 300-800 nm; it does not establish performance outside that range.\u003c\/p\u003e\n\u003ch3\u003eDoes high transmission alone establish the reflection specification for AR2S-UVB-01?\u003c\/h3\u003e\n\u003cp\u003eThe AR2S-UVB-01 measurement is transmission through the complete sample, including 96.046% averaged over 370-440 nm. A surface-reflection specification needs its own measurement conditions. Tell us the substrate, coated surfaces and working angle so we can compare the coating in the assembly you actually plan to use.\u003c\/p\u003e\u003c\/section\u003e\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003e\u003cstrong\u003eDiscuss this filter with KUPO\u003c\/strong\u003e\u003c\/a\u003e - include the product reference, source wavelength, working angle and required dimensions.\u003c\/p\u003e\u003cstyle\u003e#MainContent .ko-reviewed\u003eh2.ko-catalog-description-title{font-size:27px;font-weight:500;line-height:1.4;letter-spacing:-.01em;color:#0c324b;background:#f0f6f9;padding:20px 24px;}#MainContent .ko-reviewed\u003eh2.ko-catalog-description-title+p{border-bottom:0;}@media(max-width:650px){#MainContent .ko-reviewed\u003eh2.ko-catalog-description-title{font-size:24px;}}\u003c\/style\u003e","brand":"KUPO Optics","offers":[{"title":"Anti-Reflective Coating \/ Both-Sides \/ UV","offer_id":48516666032383,"sku":"AR2S-UVB-01","price":0.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/8651\/1359\/files\/ar2s-uvb-01-spectrum.jpg?v=1778712828","url":"https:\/\/kupooptics.com\/products\/ar2s-uvb-01","provider":"KUPO Optics","version":"1.0","type":"link"}