{"product_id":"custom-optical-windows","title":"Custom Optical Windows | Sapphire, Quartz, Fused Silica \u0026 Vacuum Viewports","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCustom sapphire, quartz, fused silica, CaF₂, MgF₂, ZnSe, and optical glass windows manufactured to your drawing or application requirements.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesign Realized provides custom optical windows for scientific research, vacuum systems, laser systems, spectroscopy, imaging, radiation detection, semiconductor tools, and harsh-environment applications. We support one-off prototypes, small-batch R\u0026amp;D builds, and volume production.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you need a simple round window, a vacuum-sealed viewport, a high-transmission UV window, a sapphire pressure window, or a coated laser-grade optic, our team can help evaluate material, geometry, polishing, coating, and mounting options.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eCustom Optical Window Capabilities\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eWe manufacture optical windows in a wide range of materials, sizes, shapes, and surface specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAvailable Materials\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSapphire\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – high strength, excellent hardness, high-temperature stability, chemically resistant\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eQuartz \/ Fused Silica\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – excellent UV transmission, low autofluorescence, good thermal stability\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBK7 \/ Optical Glass\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – cost-effective for visible and general optical applications\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCaF₂\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – UV to IR transmission, commonly used for spectroscopy and laser systems\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMgF₂\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – deep-UV transmission, durable fluoride window option\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eZnSe\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – IR and CO₂ laser applications\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSilicon \/ Germanium\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – IR optical windows and thermal imaging applications\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCustom optical crystals\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – available upon request\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eTypical Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eOur custom optical windows are widely used in:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eHigh-vacuum and UHV chambers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLaser systems and beam delivery\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpectroscopy and LIBS systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePhotocatalysis and photochemical reactors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePlasma systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSemiconductor and thin-film deposition tools\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCryogenic systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRadiation detectors and scintillator assemblies\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImaging systems and camera protection windows\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHarsh-environment optical access ports\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUV, visible, NIR, and IR optical instruments\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eCustom Design Options\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eWe can support a wide range of custom specifications, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eRound, square, rectangular, or irregular shapes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCustom diameter, thickness, and aperture size\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSingle-side or double-side optical polishing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFlatness and parallelism control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWedge angle control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChamfered, beveled, or rounded edges\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStep windows and recessed geometries\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDrilled holes or slots\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAR, HR, metallic, conductive, or protective coatings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVacuum-compatible sealing options\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMetalized or brazed window assemblies\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCustom holders, flanges, or mechanical mounts\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eIf you already have a drawing, STEP file, or hand sketch, we can review it and provide a quotation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eVacuum Viewports \u0026amp; Sealed Window Assemblies\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eFor vacuum and UHV applications, we can provide optical windows integrated with mechanical or metal assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCommon options include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eSapphire viewports\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQuartz \/ fused silica viewports\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCF, KF, ISO, or custom flange-mounted windows\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGlass-to-metal sealing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBrazed or bonded window assemblies\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-temperature compatible designs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCustom leak-test and inspection options\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFor high-vacuum or UHV systems, please provide the pressure range, temperature range, flange type, window clear aperture, and whether bakeout is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eLaser \u0026amp; Spectroscopy Windows\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eFor laser and spectroscopy applications, material and coating selection are critical. We can provide windows optimized for specific wavelength ranges.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTypical wavelength ranges include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eDeep UV\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUV-visible\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVisible\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNIR\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMid-IR\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCO₂ laser wavelength\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAvailable optical specifications may include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eHigh transmission at target wavelength\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAR coating at one or multiple wavelengths\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLow fluorescence material options\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh laser damage threshold coating options\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTight surface quality and flatness requirements\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLow wedge or intentional wedge design\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003ePlease share the operating wavelength, laser power or energy density, beam diameter, pulse width, and angle of incidence when requesting a quote.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eExample Custom Window Types\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eSapphire Windows\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSapphire windows are ideal for applications requiring high mechanical strength, scratch resistance, thermal stability, or chemical resistance. They are commonly used in vacuum chambers, high-pressure cells, combustion diagnostics, laser systems, and harsh environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFused Silica \/ Quartz Windows\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eFused silica and quartz windows are widely used for UV transmission, spectroscopy, photochemistry, and precision optical systems. They provide excellent optical clarity and thermal stability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCaF₂ and MgF₂ Windows\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eFluoride windows are commonly used for UV, deep-UV, and IR optical applications. These materials are often selected for spectroscopy, excimer laser systems, and broadband transmission requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eZnSe Windows\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eZnSe windows are commonly used for IR and CO₂ laser systems. They are suitable for thermal imaging, IR spectroscopy, and laser protection windows.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eQuality Control \u0026amp; Inspection\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eDepending on project requirements, inspection options may include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eDimensional inspection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSurface quality inspection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFlatness measurement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eParallelism measurement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTransmission testing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoating verification\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVisual inspection under controlled lighting\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelium leak testing for sealed viewport assemblies\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackaging suitable for optical components\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eInformation Needed for Quotation\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eTo provide an accurate quotation, please send as much of the following information as possible:\u003c\/span\u003e\u003c\/p\u003e\n\u003col start=\"1\" data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eMaterial, such as sapphire, quartz, fused silica, CaF₂, MgF₂, ZnSe, or optical glass\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShape and dimensions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThickness\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQuantity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRequired wavelength range\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSurface quality requirement, if known\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFlatness and parallelism requirement, if known\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoating requirement, such as AR, HR, protective coating, or no coating\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOperating environment, such as air, vacuum, high temperature, pressure, chemical exposure, or radiation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDrawing, STEP file, or sketch if available\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan\u003eIf you are unsure about the best material or specification, our team can help recommend a practical option based on your application and budget\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003ePrototype and Small-Batch Friendly\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eMany scientific and engineering projects require only one or a few custom optical windows. We support low-volume orders and prototype builds for universities, national laboratories, startups, and industrial R\u0026amp;D teams.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe can also support repeat production after the design is validated.\u003c\/span\u003e\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":47017883566219,"sku":null,"price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/7941\/0827\/files\/Custom_optical_window.webp?v=1779168855","url":"https:\/\/design-realized.com\/products\/custom-optical-windows","provider":"My Store","version":"1.0","type":"link"}