UV Windows - IR Windows - Ultraviolet Windows

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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

Barium Fluoride (BaF<sub>2</sub>) Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Barium Fluoride (BaF₂) Windows

Excellent Transmission from 200nm - 12μm
Resistant to High-Energy Radiation
Provide High Transmission without AR Coatings

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

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

λ/10 Fused Silica Windows

UV, Visible, and NIR Anti-Reflection Coated Versions Available
High Tolerance for Precision Applications
Sizes Ranging from 5 - 50mm Diameters

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

New Uncoated Laser Window Substrates

10-5 Surface Quality and λ/10 Surface Flatness
Fused Silica or N-BK7 Material
Standard Imperial Sizes for Drop-in Replacement Solutions
Laser Line Coated Versions Available

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

1λ UV Fused Silica Windows

Available Uncoated or with Broadband Anti-Reflection Coatings
Sizes Ranging from 5mm to 100mm Diameter
Ideal for Cost Sensitive Broadband Applications

Sodium Chloride (NaCl) Windows

Excellent Transmission from 250nm – 16μm
Low Cost
Ideal for FTIR Spectroscopy
Potassium Bromide (KBr) Windows Also Available

Potassium Bromide (KBr) Windows

Excellent Transmission from 250nm – 26μm
Good Resistance to Mechanical Shock
Ideal for FTIR Spectroscopy
Sodium Chloride (NaCl) Windows Also Available

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

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

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Zinc Sulfide Multispectral Windows

Multispectral Grade Zinc Sulfide Substrate
Low Absorption and Low Scatter from 0.4 - 12μm
Available Uncoated or 3 - 12μm Broadband AR Coated Option

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

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

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

Diamond-Like Carbon (DLC) Coated Germanium Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

New Diamond-Like Carbon (DLC) Coated Germanium Windows

Meets Severe Abrasion Requirements of MIL-C-675C
≥90% Transmission from 8 - 11.5µm
Ideal for Harsh Environments
Uncoated, 3-5 Micron BBAR, and 8 - 12 Micron BBAR Coated Germanium Windows are also Available

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

New AR Coated Sapphire Windows

Stronger and Thinner than Standard Glass Windows
Improved Transmission Values in the Visible and Near Infrared Spectra
4 Coating Options Available

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

New Ultrafast Thin Windows

1mm Thickness for Limited GDD
Low Loss Broadband IBS Anti-Reflection Coating
Designs for Wavelengths from 370nm to 2200nm
Coating GDD of ±30fs²

New II-VI Optical Grade Polycrystalline CVD Diamond Windows

High Transmission Across UV, FIR, and Microwave Spectra
High Thermal Conductivity for Use with High Power Lasers
Exceptional Hardness for Ultimate Scratch Resistance
II-VI Manufactured

Infrared (IR) Material Windows

Excellent Optics for Infrared Detectors
Minimal Absorption Loss from 8 - 14μm
Easily Cut to Size

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

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UV Windows and IR Windows are Optical Windows designed for optimal performance in the Ultraviolet (UV) and Infrared (IR) spectrums. UV Windows are used in many laser applications. IR Windows are ideal for use in FTIR spectroscopy, in addition to thermal imaging, FLIR, or medical systems. Optical Windows do not introduce optical magnification into a system. Optical Windows should be chosen based on the substrate’s mechanical or optical properties.

Edmund Optics offers a wide range of Optical Windows, including either Ultraviolet Windows or Infrared Windows in multiple anti-reflection coating or substrate options. Substrate options include materials such as UV Fused Silica, Calcium Fluoride (CaF₂), Magnesium Fluoride (MgF₂), Potassium Bromide (KBr), Sapphire, Silicon (Si), Sodium Chloride (NaCl), Zinc Selenside (ZnSe), or Zinc Sulfide. Metalized Windows are offered for soldering or bonding directly into an opto-mechanical assembly. IR Windows Kits contain some of Edmund Optics’ most popular Infrared (IR) Windows.