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Nanjing Sapphire Electro-Optics Co Ltd

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Optical glass windows have good optical uniformity, stable, easy to process and low cost, so they’re widely used in general purpose visible application, apparatus and instrumental optical systems.

Specifications
Substrate Material:	Fused Silica, Other
Antireflection Coating:	Coated, Uncoated
Diameter:	1.0-200 mm
Surface Quality:	10-5 scratch-dig
Surface Flatness:	lambda/10

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Fused Silica And Quartz Windows

Nanjing Sapphire Electro-Optics Co Ltd

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This material has good endurance on high temperature, small thermal expansion coefficient and good chemical stability, good transmission rate on UV light and can also be used in visible and near infrared range. They’re first-rate window material for general purpose visible application including observing windows in high temperature ...

Specifications
Substrate Material:	Fused Silica, Other
Antireflection Coating:	Coated
Diameter:	1-200 mm
Surface Quality:	N/A
Surface Flatness:	lambda/10

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Plane Window PW-0537-XX

OptiSource LLC

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Plane Windows (PW) are most commonly used to separate two environments while still allowing light to pass through. They are intended for transmissive use and are parallel to equal to or better than five arc minutes. These windows are manufactured to a surface figure of λ/10 at 633nm, except where otherwise indicated. ...

Specifications
Substrate Material:	N-BK7, UV Grade Fused Silica
Antireflection Coating:	Coated
Diameter:	12.7 mm
Surface Quality:	10-5 scratch-dig
Surface Flatness:	lambda/10

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Plane Window PW-0525-XX

OptiSource LLC

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Plane Windows (PW) are most commonly used to separate two environments while still allowing light to pass through. They are intended for transmissive use and are parallel to equal to or better than five arc minutes. These windows are manufactured to a surface figure of λ/10 at 633nm, except where otherwise indicated. ...

Specifications
Substrate Material:	N-BK7, UV Grade Fused Silica
Antireflection Coating:	Coated
Diameter:	12.7 mm
Surface Quality:	10-5 scratch-dig
Surface Flatness:	lambda/10

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Plane Window PW-0512-XX

OptiSource LLC

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Plane Windows (PW) are most commonly used to separate two environments while still allowing light to pass through. They are intended for transmissive use and are parallel to equal to or better than five arc minutes. These windows are manufactured to a surface figure of λ/10 at 633nm, except where otherwise indicated. ...

Specifications
Substrate Material:	N-BK7, UV Grade Fused Silica
Antireflection Coating:	Coated
Diameter:	12.7 mm
Surface Quality:	10-5 scratch-dig
Surface Flatness:	lambda/10

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SYCCO Sapphire Windows

Shandong Yanggu Constant Crystal Optics Co,. Ltd.

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Uncoated sapphire provides exceptional surface hardness and a transmission range extending from the UV to the MIR. It can only be scratched by a few materials other than itself. The uncoated substrate is chemically inert and insoluble to water, common acids, or alkalis at temperatures up to ~1,000 °C. Our sapphire windows are ...

Specifications
Substrate Material:	Sapphire
Diameter:	50.8 mm
Surface Quality:	40-20 scratch-dig
Surface Flatness:	lambda/10
Thickness:	1.02 mm

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GLASS BK7 WINDOWS

UltiQuest Technology Co Ltd

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A borosilicate crown glass, BK7 is relatively hard, does not scratch easily, and can be handled without special precautions. Good performance over visible and near IR spectrum for most application. The ideal window allows the optical beam to pass unimpeded and unchanged with high durability according to requirement of applications. ...

Specifications
Substrate Material:	N-BK7
Antireflection Coating:	Coated
Diameter:	10 mm
Surface Quality:	20-10 scratch-dig
Surface Flatness:	lambda/10

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Windows by AMF Optical Solutions

AMF Optical Solutions LLC

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AMF Optical Solutions manufactures optical windows to meet various demanding applications. AMF Optical Solutions manufactures optical windows made of low expansion borosilicate glass and fused silica up to 24 inches in diameter to meet various demanding applications. Surface flatness of λ/4 to λ/20 are available. We ...

Specifications
Substrate Material:	N-BK7, Fused Silica, Other
Antireflection Coating:	Coated, Uncoated
Diameter:	61 mm
Surface Quality:	Not Specified
Surface Flatness:	lambda/20, lambda/4, lambda/6, lambda/8, lambda/10

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Si Window

ISP Optics

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ISP Optics Silicon Window for applications in laser optics, infrared imaging, and more.

Specifications
Substrate Material:	Si
Antireflection Coating:	Coated
Diameter:	12.7 mm
Surface Quality:	40-20 scratch-dig
Surface Flatness:	lambda/10

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AR Coated Ge Window

ISP Optics

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ISP Optics AR Coated Ge Window for applications in laser optics, infrared imaging, and more.

Specifications
Substrate Material:	Ge
Antireflection Coating:	Coated
Diameter:	12.7 mm
Surface Quality:	60-40 scratch-dig
Surface Flatness:	lambda/10

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Amtir-1 Window

ISP Optics

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ISP Optics Amtir-1 Window for applications in laser optics, imaging, and more.

Specifications
Substrate Material:	Fused Silica
Antireflection Coating:	Coated
Diameter:	25.4 mm
Surface Quality:	40-20 scratch-dig
Surface Flatness:	lambda/10

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Alkor Fused Silica Windows

Alkor Technologies

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High precision Fused Silica Windows feature laser-grade surface quality (up to S/D 20/10) and parallelism up to 5 arc sec. In addition, these windows will limit flatness to 1/10λ. Fused Silica windows available uncoated, or with anti-reflection coatings optimized for UV, visible or IR spectrum. Transmission characteristics ...

Specifications
Substrate Material:	Fused Silica
Antireflection Coating:	Coated
Diameter:	12.7 mm
Surface Quality:	40-20 scratch-dig
Surface Flatness:	lambda/10

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Alkor ZnSe Windows

Alkor Technologies

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Zinc Selenide windows is suitable for applications in the IR band and is often used as a IR viewport window for thermography or as demountable cell windows in spectroscopy. We provide a large variety of ZnSe windows for vacuum viewports suitable for different flanges. For the better perfomance of ZnSe windows we offer ...

Specifications
Substrate Material:	ZnSe
Antireflection Coating:	Coated
Diameter:	10.0 mm
Surface Quality:	60-40 scratch-dig
Surface Flatness:	lambda/10

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Alkor Ge Windows

Alkor Technologies

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Custom Germanium windows (round, square, wedges) are available upon request. High Precision Germanium windows: We can provide Germanium windows with S/D 20/10; Flatness 0.25 waves at 633 and parallelism up to 10 arc. sec.

Specifications
Substrate Material:	Ge
Antireflection Coating:	Coated
Diameter:	6.35 mm
Surface Quality:	60-40 scratch-dig
Surface Flatness:	lambda/10

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Rectangular Windows

Qingdao Blanc Co., Ltd

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Rectangular Windows are offered in variety of materials such as BK7, B270, UV fused silica. which material is selected as windows is decided by material transmission and mechanical properities od materials.The windows are used to protected whole optical system, electronic detectors and sensors from some harsh outside environments.

Specifications
Substrate Material:	N-BK7, Fused Silica, UV Grade Fused Silica
Antireflection Coating:	Coated, Uncoated
Diameter:	100 mm
Surface Quality:	10-5 scratch-dig, 20-10 scratch-dig
Surface Flatness:	lambda/20, lambda/10, lambda/8

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Brewster Windows

Qingdao Blanc Co., Ltd

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Brewster Windows are uncoated substrates that can be used in series as polarizers, or to clean uo a partially polarized beam, When positioned at Brewster\'s angle, the P-polarized component of the light enters and exits the window without reflection losses, while the S-polarized component is partially reflected.

Specifications
Substrate Material:	N-BK7, Fused Silica, UV Grade Fused Silica
Antireflection Coating:	Uncoated
Diameter:	25.4 mm
Surface Quality:	10-5 scratch-dig, 20-10 scratch-dig
Surface Flatness:	lambda/10, lambda/8

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Flat Windows

Lensel

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We can make lenses up to 300 mm in size. The lens shown is a 290mm long, 160mm wide, 60mm thick plano convex lens used in the Pharmaceutical Industry as a magnifier.

Specifications
Substrate Material:	N-BK7, Fused Silica
Antireflection Coating:	Coated
Diameter:	300 mm
Surface Quality:	40-20 scratch-dig
Surface Flatness:	lambda/10

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Laser Line Windows

Qingdao Blanc Co., Ltd

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Laser Windows are used to transmit designated wavelengths or protect sensitive components or work areas from stray light. Laser Windows use special substrates, coatings or a combination of the two of provide superior performance at specific laser wavelengths or over a range of wavelengths.

Specifications
Substrate Material:	Sapphire
Antireflection Coating:	Coated, Uncoated
Diameter:	25.4 mm
Surface Quality:	10-5 scratch-dig
Surface Flatness:	lambda/10

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Optical flats

PreciSe Hyper iMage Optics (Suzhou) Co.,Ltd

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Optical flat is an optical glass polished to be extremely flat on one or both sides. Flatness can be from L/4-L/20 as requested.If for single surface high precision optical flats, normally we have an arrow in the edge to indicate the high precision surface.Application: Polish machine colimate,flatness standard, laser system, ...

Specifications
Substrate Material:	N-BK7, Fused Silica, UV Grade Fused Silica, IR Grade Fused Silica, Sapphire, Ge
Antireflection Coating:	Uncoated
Diameter:	400 mm
Surface Quality:	60-40 scratch-dig
Surface Flatness:	lambda/20, lambda/10

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CASTECH--Super Polished Optics

CASTECH Inc.

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Super polished technology is an optical fabrication technique developed specifically to achieve minimal roughness values. CASTECH manufacture the super polished substrate which is able to achieve below 2 Ǻ roughness levels on materials such as fused silica, and optical glasses . And the roughness are measured by Zygo NewView 8300 and AFM.

Specifications
Substrate Material:	N-BK7, Fused Silica, UV Grade Fused Silica, IR Grade Fused Silica, Sapphire
Antireflection Coating:	Coated, Uncoated
Diameter:	10 mm
Surface Quality:	10-5 scratch-dig
Surface Flatness:	lambda/10

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