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Flat Windows (Antireflection Coating: Coated)

Germanium Optics
Sinoptix
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Germanium Optics
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Sinoptix’s Optical Germanium Components are engineered for exceptional performance in infrared (IR) applications, particularly in the 8–14 µm thermal range. Germanium (Ge), a metalloid with a high refractive index (~4.0), provides outstanding IR transmission (1.8–23 µm), low optical dispersion, and ...

Specifications
Substrate Material: Ge, CaF2, IR Grade CaF2, MgF2, BaF2, Si
Antireflection Coating: Coated, Uncoated
Diameter: 350 mm
Surface Quality: 10-5 scratch-dig, 20-10 scratch-dig, 40-20 scratch-dig, 60-40 scratch-dig, 80-50 scratch-dig
Surface Flatness: lambda/20, lambda/10, lambda/8, lambda/6, lambda/4, lambda/2, 1 lambda, Lambda/40, Other
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Optical Sapphire Glass Window
Henan UM Optics Ltd
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Optical Sapphire Glass Window
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Sapphire window is one of the basic optical components in optics, usually used as a protective window for electronic sensors or external environment detectors. It is used to separate the environment on both sides, such as separating the inside and outside of the instrument, so that the inside and outside of the instrument are ...

Specifications
Substrate Material: Sapphire
Antireflection Coating: Coated
Diameter: 6 mm
Surface Quality: 60-40 scratch-dig
Surface Flatness: lambda/4
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Optical Multispectral CVD ZnS Zinc Sulfide Window
Henan UM Optics Ltd
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Optical Multispectral CVD ZnS Zinc Sulfide Window
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CVD zinc sulfide is an important material for long-wave infrared windows and is widely used in the fabrication of infrared windows, rectifiers and infrared optical components.UM OPTICS offers ZnS plano-convex lens in various sizes and focal lengths.

Specifications
Substrate Material: ZnS
Antireflection Coating: Coated
Diameter: 3 mm
Surface Quality: 60-40 scratch-dig
Surface Flatness: lambda/6
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Optical BaF2 Barium Fluoride Infrared Temperature Measurement Window
Henan UM Optics Ltd
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Optical BaF2 Barium Fluoride Infrared Temperature Measurement Window
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The Optical BaF2 (Barium Fluoride) Infrared Temperature Measurement Window by UM OPTICS is a high-performance optical component designed to separate environmental conditions while protecting internal devices. Manufactured from premium BaF2, this window offers excellent transmission across ultraviolet, visible, and infrared ...

Specifications
Substrate Material: BaF2
Antireflection Coating: Coated
Diameter: 3 mm
Surface Quality: 60-40 scratch-dig
Surface Flatness: lambda/2
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Durable Sapphire Windows – Scratch-Resistant & Optically Clear
Henyuan Sapphire Optics Co., Ltd.
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Durable Sapphire Windows – Scratch-Resistant & Optically Clear
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Sapphire windows offer exceptional durability, scratch resistance, and optical clarity, making them ideal for demanding applications. With a wide transmission range (0.2-5µm) and extreme hardness second only to diamond, these windows excel in high-pressure, high-temperature, and harsh environments. They are widely used in aerospace, ...

Specifications
Substrate Material: Sapphire
Antireflection Coating: Coated
Diameter: 500 mm
Surface Quality: 10-5 scratch-dig
Surface Flatness: lambda/10
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High-Precision MgF₂ Window for UV and IR Optics
Sinoptix
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High-Precision MgF₂ Window for UV and IR Optics
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The High-Precision MgF₂ (Magnesium Fluoride) Window is an essential optical component designed for both UV and infrared (IR) applications. With exceptional transmission properties across a wide spectral range, from ultraviolet (UV) to infrared (IR), this window is ideal for use in spectroscopic instruments, laser systems, and ...

Specifications
Substrate Material: MgF2
Antireflection Coating: Coated, Uncoated
Diameter: 160 mm
Surface Quality: 10-5 scratch-dig, 20-10 scratch-dig
Surface Flatness: lambda/10, lambda/8, lambda/6, lambda/4, lambda/2, 1 lambda
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High-Precision BaF₂ Window for Infrared Optics
Sinoptix
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High-Precision BaF₂ Window for Infrared Optics
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The High-Precision BaF₂ (Barium Fluoride) Window is an essential optical component designed for infrared (IR) optical applications. Known for its excellent transmission across a wide IR wavelength range, this window is ideal for use in spectroscopic instruments, thermal imaging systems, and high-performance IR lasers. The BaF₂ ...

Specifications
Substrate Material: BaF2
Antireflection Coating: Coated
Diameter: 200 mm
Surface Quality: 10-5 scratch-dig, 20-10 scratch-dig
Surface Flatness: lambda/10, lambda/8, lambda/6, lambda/4, lambda/2, 1 lambda
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High-Precision CaF₂ Window for UV and Broadband Optics
Sinoptix
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High-Precision CaF₂ Window for UV and Broadband Optics
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The High-Precision CaF₂ (Calcium Fluoride) Window is a superior optical component designed for UV and broadband optical applications. Manufactured from high-quality CaF₂ material, these windows are highly transparent across a wide range of wavelengths, from ultraviolet (UV) to infrared (IR), making them ideal for demanding optical ...

Specifications
Substrate Material: CaF2
Antireflection Coating: Coated
Diameter: 320 mm
Surface Quality: 20-10 scratch-dig, 40-20 scratch-dig, 60-40 scratch-dig
Surface Flatness: lambda/10, lambda/8, lambda/6, lambda/4, lambda/2, 1 lambda
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Silicon Optical Window for Infrared Applications
Sinoptix
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Silicon Optical Window for Infrared Applications
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The Silicon Optical Window is engineered for high-performance applications in infrared optics. Constructed from premium optical-grade silicon, this window boasts a standard diameter of 108mm, with the flexibility to customize dimensions to meet specific project needs. The BBAR (Broadband Anti-Reflective) coating significantly ...

Specifications
Substrate Material: Si
Antireflection Coating: Coated
Diameter: 100 mm
Surface Quality: 20-10 scratch-dig
Surface Flatness: lambda/4
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UV Narrowband AR-Coated Window 308nm M308-2AR-2D-FL (2.0” Diameter)
Teledyne Acton Optics
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UV Narrowband AR-Coated Window 308nm M308-2AR-2D-FL (2.0” Diameter)
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Acton Optics presents UV Narrowband AR-Coated Windows featuring durable, electron-beam–deposited dielectrics designed to minimize reflections occurring from uncoated surfaces of substrates. These low-absorption coatings are ideal for increasing the transmittance properties of lenses and reducing second-surface reflections of ...

Specifications
Substrate Material: UV Grade Fused Silica
Antireflection Coating: Coated
Diameter: 50.8 mm
Surface Quality: 10-5 scratch-dig
Surface Flatness: lambda/20
Data Sheet
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UV Narrowband AR-Coated Window 308nm M308-2AR-1D-FL (1.0” Diameter)
Teledyne Acton Optics
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UV Narrowband AR-Coated Window 308nm M308-2AR-1D-FL (1.0” Diameter)
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Acton Optics presents UV Narrowband AR-Coated Windows featuring durable, electron-beam–deposited dielectrics designed to minimize reflections occurring from uncoated surfaces of substrates. These low-absorption coatings are ideal for increasing the transmittance properties of lenses and reducing second-surface reflections of ...

Specifications
Substrate Material: UV Grade Fused Silica
Antireflection Coating: Coated
Diameter: 25.4 mm
Surface Quality: 10-5 scratch-dig
Surface Flatness: lambda/20
Data Sheet
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UV Narrowband AR-Coated Window 248nm M248-2AR-1D-FL (1.0” Diameter)
Teledyne Acton Optics
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UV Narrowband AR-Coated Window 248nm M248-2AR-1D-FL (1.0” Diameter)
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Acton Optics presents UV Narrowband AR-Coated Windows featuring durable, electron-beam–deposited dielectrics designed to minimize reflections occurring from uncoated surfaces of substrates. These low-absorption coatings are ideal for increasing the transmittance properties of lenses and reducing second-surface reflections of ...

Specifications
Substrate Material: UV Grade Fused Silica
Antireflection Coating: Coated
Diameter: 25.4 mm
Surface Quality: 10-5 scratch-dig
Surface Flatness: lambda/20
Data Sheet
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UV Narrowband AR-Coated Window 248nm M248-2AR-2D-FL (2.0” Diameter)
Teledyne Acton Optics
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UV Narrowband AR-Coated Window 248nm M248-2AR-2D-FL (2.0” Diameter)
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Acton Optics presents UV Narrowband AR-Coated Windows featuring durable, electron-beam–deposited dielectrics designed to minimize reflections occurring from uncoated surfaces of substrates. These low-absorption coatings are ideal for increasing the transmittance properties of lenses and reducing second-surface reflections of ...

Specifications
Substrate Material: UV Grade Fused Silica
Antireflection Coating: Coated
Diameter: 50.8 mm
Surface Quality: 10-5 scratch-dig
Surface Flatness: lambda/20
Data Sheet
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UV Narrowband AR-Coated Window 193nm M193-2AR-2D-FL (2.0” Diameter)
Teledyne Acton Optics
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UV Narrowband AR-Coated Window 193nm M193-2AR-2D-FL (2.0” Diameter)
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Acton Optics presents UV Narrowband AR-Coated Windows featuring durable, electron-beam–deposited dielectrics designed to minimize reflections occurring from uncoated surfaces of substrates. These low-absorption coatings are ideal for increasing the transmittance properties of lenses and reducing second-surface reflections of ...

Specifications
Substrate Material: UV Grade Fused Silica
Antireflection Coating: Coated
Diameter: 50.8 mm
Surface Quality: 10-5 scratch-dig
Surface Flatness: lambda/20
Data Sheet
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Custom Windows for CO2 Lasers
Changchun Sunday Optics Co., ltd
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Custom Windows for CO2 Lasers
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Changchun Sunday Optics Co., Ltd. presents precision-engineered CO2 laser optic windows, designed to meet the highest standards of performance. These windows range in diameter from 5mm to 250mm with thicknesses between 0.5mm and 40mm. Crafted from top-quality ZnSe sourced from the USA and China, these optics feature a surface quality ...

Specifications
Substrate Material: ZnSe
Antireflection Coating: Coated
Diameter: 300 mm
Surface Quality: 40-20 scratch-dig
Surface Flatness: lambda/10
Data Sheet
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BK7 Optical Window with Large Incidence Angle Antireflection Coating
Fuzhou HCT Optics Co.,LTD
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BK7 Optical Window with Large Incidence Angle Antireflection Coating
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Optical windows are often used in optical instruments, such as telescopes, microscopes, lasers, spectrometers, etc. They act as windows in the optical path to protect the interior of the optical system from the external environment and allow light to enter or leave the system.

Specifications
Substrate Material: N-BK7
Antireflection Coating: Coated
Diameter: 15 mm
Surface Quality: 20-10 scratch-dig
Surface Flatness: lambda/4
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Optical Sapphire Window with AR Coating
MOK Optics Co LTD
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Optical Sapphire Window with AR Coating
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Sapphire (Al2O3) is a highly versatile material renowned for its exceptional properties. It possesses a high surface hardness, excellent temperature resistance, good thermal conductivity, and impressive UV-IR transmittance. Additionally, sapphire exhibits remarkable chemical stability. These characteristics make sapphire an ideal ...

Specifications
Substrate Material: Sapphire
Antireflection Coating: Coated
Diameter: 2 mm
Surface Quality: 10-5 scratch-dig, 20-10 scratch-dig, 40-20 scratch-dig, 60-40 scratch-dig, 80-50 scratch-dig
Surface Flatness: lambda/4, lambda/2, 1 lambda
Data Sheet
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Industrial Sapphire Windows
Sapphcom Sapphire Competence
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Industrial Sapphire Windows
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Sapphcom Sapphire Competence offers a wide range of industrial sapphire products and services. We specialize in offering sapphire optics products (windows, lenses, prisms) and customized parts and prototypes. We also offer consulting to help customers implement sapphire in their specific applications. 

Specifications
Substrate Material: Sapphire
Antireflection Coating: Coated, Uncoated
Diameter: 350 mm
Surface Quality: 10-5 scratch-dig, 20-10 scratch-dig, 40-20 scratch-dig, 60-40 scratch-dig, 80-50 scratch-dig
Surface Flatness: lambda/10, lambda/8, lambda/6, lambda/4, lambda/2, 1 lambda
Data Sheet
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UV Narrowband AR-Coated Window 126nm M126-2AR-1D-FL (1.0” Diameter)
Teledyne Acton Optics
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UV Narrowband AR-Coated Window 126nm M126-2AR-1D-FL (1.0” Diameter)
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Acton Optics presents UV Narrowband AR-Coated Windows featuring durable, electron-beam–deposited dielectrics designed to minimize reflections occurring from uncoated surfaces of substrates. These low-absorption coatings are ideal for increasing the transmittance properties of lenses and reducing second-surface reflections of ...

Specifications
Substrate Material: UV Grade Fused Silica
Antireflection Coating: Coated
Diameter: 25.4 mm
Surface Quality: 10-5 scratch-dig
Surface Flatness: lambda/20
Data Sheet
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UV Narrowband AR-Coated Window 126nm M126-2AR-2D-FL (2.0” Diameter)
Teledyne Acton Optics
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UV Narrowband AR-Coated Window 126nm M126-2AR-2D-FL (2.0” Diameter)
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Acton Optics presents UV Narrowband AR-Coated Windows featuring durable, electron-beam–deposited dielectrics designed to minimize reflections occurring from uncoated surfaces of substrates. These low-absorption coatings are ideal for increasing the transmittance properties of lenses and reducing second-surface reflections of ...

Specifications
Substrate Material: UV Grade Fused Silica
Antireflection Coating: Coated
Diameter: 50.8 mm
Surface Quality: 10-5 scratch-dig
Surface Flatness: lambda/20
Data Sheet
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