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COTS Windows

Custom and
Volume Manufacturing

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λ/10 UV Fused Silica Windows λ/10 UV Fused Silica Windows
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
New
  • UV, Visible, and NIR Anti-Reflection Coated Versions Available
  • λ/10 Transmitted Wavefront Distortion
  • Circular and Square Sizes from 2mm to 150mm
  • or λ/4 UV Fused Silica Windows Also Available
High Durability Anti-Reflection (AR) Coated Sapphire Windows High Durability Anti-Reflection (AR) Coated Sapphire Windows
  • Achieves Severe Abrasion Requirements of MIL-C-675C
  • Low Reflection Coatings for 400 - 1100nm or 2000 - 5000nm
  • Ideal for Harsh Environments Requiring Thin Optics
  • Uncoated Sapphire Windows are Also Available
λ/4 N-BK7 Precision Windows λ/4 N-BK7 Precision Windows
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Top Seller
New
  • Circular and Rectangular Sizes from 2mm to 200mm
  • 7 Broadband Anti-Reflection Coating Options Available
  • World's Largest Selection of Standard N-BK7 Windows
  • Also Available with Ultra-Thin N-BK7 Windows
Calcium Fluoride (CaF<sub>2</sub>) Windows Calcium Fluoride (CaF2) Windows
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Germanium (Ge) Windows Germanium (Ge) Windows
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Top Seller
New
  • Uncoated or with AR Coatings Designed for a Variety of IR Ranges
  • Minimal Chromatic Aberration Due to Low Dispersion
  • Ideal for Infrared Applications Requiring Rugged Optics
  • DLC Coated Germanium Windows are also Available
  • Due to material supply chain disruptions with germanium, there may be increased lead times and price changes on our germanium products. For more information, please contact our customer service team.
High Performance Hot Mirrors High Performance Hot Mirrors
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • High Transmission from 400 - 690nm
  • High Reflection from 750 - 1125nm
  • Ideal for Minimizing Heat Build-Up
Infrared (IR) Material Windows Infrared (IR) Material Windows
  • Excellent Optics for Infrared Detectors
  • Minimal Absorption Loss from 8 - 14μm
  • Easily Cut to Size
Magnesium Fluoride (MgF<sub>2</sub>) Windows Magnesium Fluoride (MgF2) Windows
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Excellent Transmission from 120nm to 7μm
  • Rugged and Durable
  • Resistant to Chemical Etching
Precision UV Grade Sapphire Windows Precision UV Grade Sapphire Windows Clearance
  • λ/4 Surface Flatness Ideal for Imaging Applications
  • Improved Surface Quality to Minimize Scatter in UV Applications
  • Excellent Transmission from 0.2 - 5.5μm
  • TECHSPEC® Sapphire Windows Also Available
Sapphire Windows Sapphire Windows
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Top Seller
New
  • Features Extreme Surface Hardness Chemical Resistance
  • Transmits Wavelengths Ranging From UV to Mid-Infrared
  • Thinner and Stronger than Standard Glass Windows
  • Anti-Reflection Coating Options Covering 350 - 5000nm Available
Silicon (Si) Windows Silicon (Si) Windows
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Transmission from 1.2 - 7μm
  • Available Uncoated or AR Coated for 1.65 - 5μm
  • Ideal for Weight Sensitive Applications
Spherical Aberration Compensation Plates Spherical Aberration Compensation Plates
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Precision N-BK7 Substrate
  • Optimized for Use in Collimated Light with Small Fields of View
  • Transmitted Wave Front Accurate to λ/16
Zinc Selenide (ZnSe) Windows Zinc Selenide (ZnSe) Windows
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
New
  • Low Dispersion
  • Available Uncoated or AR Coated
  • Ideal for Thermal Imaging, FLIR, and Medical Systems

COTS Windows are used in defense or security applications to separate multiple environments. COTS Windows are designed to protect sensitive optical components or people from harmful laser beams. COTS Windows use a variety of substrates, coatings, or a combination of the two to reflect only specific wavelengths. COTS Windows are a low cost alternative to developing custom optical windows. COTS Windows designed for use in the ultraviolet, visible, or infrared are available.

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