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COTS Windows

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λ/10 UV Fused Silica Windows
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
λ/10 UV Fused Silica Windows
  • UV, Visible, and NIR Anti-Reflection Coated Versions Available
  • High Tolerance for Precision Applications
  • Sizes Ranging from 5 - 75mm Diameters
  • or λ/4 UV Fused Silica Windows Also Available
λ/4 N-BK7 Precision Windows
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
λ/4 N-BK7 Precision Windows
  • λ/4 Surface Flatness
  • Broadband Anti-Reflection Coating Options Available
  • Custom Coatings and Sizes Available for Volume OEM Quantities
  • Also Available with Laser Line V-Coats
Anti-Reflection (AR) Coated Plastic Windows Anti-Reflection (AR) Coated Plastic Windows
  • Visible Light Transmission >97%
  • Durable Material
  • Ideal for Medical and Industrial Applications
Calcium Fluoride (CaF<sub>2</sub>) Windows
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Calcium Fluoride (CaF2) Windows
  • Low Absorption, High Transmission UV Grade Calcium Fluoride
  • Ideal for Applications Ranging from 200nm - 7μm
  • Low Index of Refraction
Germanium (Ge) Windows
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Germanium (Ge) Windows
  • 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
Glass Domes Glass Domes
  • Provide a Protective Environment
  • Easily Mounted
  • Ideal for Visible and Near-Infrared Applications
High Performance Hot Mirrors
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
High Performance Hot Mirrors
  • 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
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Magnesium Fluoride (MgF2) Windows
  • Excellent Transmission from 120nm to 7μm
  • Rugged and Durable
  • Resistant to Chemical Etching
Metalized Sapphire Windows
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Metalized Sapphire Windows
  • Precision Sapphire Substrate
  • Solderable Metalized Edge
  • Greater than 80% Transmission from 0.4 - 5.5μm
Precision Sapphire Windows
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Precision Sapphire Windows
  • λ/4 Surface Flatness
  • High Tolerance Design for Superior Performance
  • Excellent Transmission from UV to MWIR
Sapphire Windows
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Sapphire Windows
  • Features Extreme Surface Hardness Chemical Resistance
  • Transmits Wavelengths Ranging From UV to Mid-Infrared
  • Thinner and Stronger than Standard Glass Windows
Silicon (Si) Windows
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Silicon (Si) Windows
  • Transmission from 1.2 - 7μm
  • Available Uncoated or AR Coated for 3 - 5μm
  • Ideal for Weight Sensitive Applications
Spherical Aberration Compensation Plates
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Spherical Aberration Compensation Plates
  • 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
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Zinc Selenide (ZnSe) Windows
  • Low Dispersion
  • Available Uncoated or AR Coated
  • Ideal for Thermal Imaging, FLIR, and Medical Systems

View all Resources Related to COTS Windows  

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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