![Magnesium Fluoride (MgF<sub>2</sub>) Windows](https://productimages.edmundoptics.com/2999.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- Excellent Transmission from 120nm to 7μm
- Rugged and Durable
- Resistant to Chemical Etching
![Lithium Fluoride (LiF) Windows](https://productimages.edmundoptics.com/9500.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- High Transmission from 150nm - 6μm
- Excellent Vacuum UV (VUV) Transmission
- Low Index of Refraction
![Barium Fluoride (BaF<sub>2</sub>) Windows](https://productimages.edmundoptics.com/5870.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- Excellent Transmission from 200nm - 12μm
- Resistant to High-Energy Radiation
- Provide High Transmission without AR Coatings
![ISP Optics Barium Fluoride (BaF<sub>2</sub>) Wedged Windows](https://productimages.edmundoptics.com/9502.jpg?w=305&quality=80)
- 30 Arcmin Wedge
- Excellent Transmission from 200nm - 12μm
- Resistant to High-Energy Radiation
-
Precision Flat Barium Fluoride (BaF2) Windows Also Available
![Calcium Fluoride (CaF<sub>2</sub>) Windows](https://productimages.edmundoptics.com/7630.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- Low Absorption, High Transmission UV Grade Calcium Fluoride
- Low Index of Refraction
- AR Coatings Spanning 250 - 5000nm Available
- Calcium Fluoride (CaF2) Wedged Windows also Available
![ISP Optics Calcium Fluoride (CaF<sub>2</sub>) Wedged Windows](https://productimages.edmundoptics.com/9486.jpg?w=305&quality=80)
- 30 Arcmin Wedge
- Low Absorption, High Transmission
- Ideal for Harsh Environments
- Precision Flat Calcium Fluoride Windows Also Available
![Suprasil® Windows](https://productimages.edmundoptics.com/9045.jpg?w=305&quality=80)
- High Transmission from 200 to 3500nm
- <1 ppm OH Content for Minimal Absorption Losses
- 10-5 Surface Quality and up to λ/10 TWD
![Ultra-Thin Fused Silica Windows](https://productimages.edmundoptics.com/20563.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- Ultra-Thin 0.20mm Thickness
- UV Fused Silica Substrates
- Extremely Lightweight
![1λ UV Fused Silica Windows](https://productimages.edmundoptics.com/7860.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
![λ/4 UV Fused Silica Windows](https://productimages.edmundoptics.com/9043.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
![λ/10 UV Fused Silica Windows](https://productimages.edmundoptics.com/20252.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
![Ultrafast Thin Windows](https://productimages.edmundoptics.com/8149.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- 1mm Thickness for Limited GDD
- Low Loss Broadband IBS Anti-Reflection Coating
- Designs for Wavelengths from 370nm to 2200nm
- Coating GDD of ±30fs2
- UV or IR Grade Fused Silica Substrates
![Uncoated Laser Window Substrates](https://productimages.edmundoptics.com/7872.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- 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
- Mirror Substrates Also Available
![Coherent® Optical Grade Polycrystalline CVD Diamond Windows](https://productimages.edmundoptics.com/10705.jpg?w=305&quality=80)
- High Transmission Across UV, FIR, and Microwave Spectra
- High Thermal Conductivity for Use with High Power Lasers
- Exceptional Hardness for Ultimate Scratch Resistance
- Coherent® Manufactured
![Sodium Chloride (NaCl) Windows](https://productimages.edmundoptics.com/5365.jpg?w=305&quality=80)
- Excellent Transmission from 250nm – 16μm
- Low Cost
- Ideal for FTIR Spectroscopy
- Potassium Bromide (KBr) Windows Also Available
![Potassium Bromide (KBr) Windows](https://productimages.edmundoptics.com/10529.jpg?w=305&quality=80)
- Excellent Transmission from 250nm – 26μm
- Good Resistance to Mechanical Shock
- Ideal for FTIR Spectroscopy
- Sodium Chloride (NaCl) Windows Also Available
![Machine Vision Mounted Sapphire Windows](https://productimages.edmundoptics.com/10764.jpg?w=305&quality=80)
- Protective Windows for Machine Vision Applications
- Windows Feature Extreme Surface Hardness and Chemical Resistance
- M25.5 to M62.0 Filter Threads Available
![Sapphire Windows](https://productimages.edmundoptics.com/5561.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- 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
![Sapphire Windows with Through Holes](https://productimages.edmundoptics.com/9686.jpg?w=305&quality=80)
- 25.4mm Diameter Sapphire Substrates
- 3.2 - 19.1mm Through Hole Diameters
- High Transmission From 0.33 - 5.5μm
![High Durability Anti-Reflection (AR) Coated Sapphire Windows](https://productimages.edmundoptics.com/9788.jpg?w=305&quality=80)
- 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
![Laser Grade C-Axis Sapphire Windows](https://productimages.edmundoptics.com/9126.jpg?w=305&quality=80)
- C-Axis Cut Sapphire to Eliminate Birefringence
- 10-5 Surface Quality and λ/10 TWFD
- Uncoated or IBS AR Coated for 1000-1100nm
- Ideal for High Power Laser Applications
![Precision UV Grade Sapphire Windows](https://productimages.edmundoptics.com/7634.jpg?w=305&quality=80)
- 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
![TECHSPEC® Zinc Sulfide Multispectral Windows](https://productimages.edmundoptics.com/9496.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- Multispectral Grade Zinc Sulfide Substrate
- Low Absorption and Low Scatter from 0.4 - 12μm
- Available Uncoated or 3 - 12μm Broadband AR Coated Option
![Zinc Selenide (ZnSe) Windows](https://productimages.edmundoptics.com/2540.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- Low Dispersion
- Available Uncoated or AR Coated
- Ideal for Thermal Imaging, FLIR, and Medical Systems
![ISP Optics Zinc Selenide (ZnSe) Wedged Windows](https://productimages.edmundoptics.com/9477.jpg?w=305&quality=80)
- 30 Arcmin and 3° Wedge Versions Available
- Low Dispersion
- Eliminate Etalon Effect and Cavity Feedback
- Precision Flat Zinc Selenide Windows Also Available
![ISP Optics Thallium Bromoiodide (KRS-5) Windows](https://productimages.edmundoptics.com/9499.jpg?w=305&quality=80)
- Broad Transmission from 700nm - 40μm
- Non-Hydroscopic
- Ideal for FTIR Spectroscopy with Aqueous Samples
![ISP Optics AMTIR-1 Windows](https://productimages.edmundoptics.com/9503.jpg?w=305&quality=80)
- Transmission from 750nm - 14μm
- Excellent Chemical Resistance to Acids
- Low Index of Refraction
![ISP Optics Gallium Arsenide (GaAs) Windows](https://productimages.edmundoptics.com/9498.jpg?w=305&quality=80)
- Broad Transmission Range from 1 - 16μm
- Tough, Durable Infrared Material
- Water Insoluble and Chemically Stable
![ISP Optics Cadmium Telluride (CdTe) Windows](https://productimages.edmundoptics.com/9501.jpg?w=305&quality=80)
- Broad Transmission Range from 1 - 25μm
- No Absorption Bands between 12 - 25μm
- Ideal for Longwave IR Spectroscopy
![Silicon (Si) Windows](https://productimages.edmundoptics.com/7515.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- Transmission from 1.2 - 7μm
- Available Uncoated or AR Coated for 1.65 - 5μm
- Ideal for Weight Sensitive Applications
![ISP Optics Diamond-Like Carbon (DLC) Coated Silicon Windows](https://productimages.edmundoptics.com/9479.jpg?w=305&quality=80)
- Meets Severe Abrasion Requirements of MIL-F-48616 and MIL-C-48497C
- High Transmission from 3 – 5µm
- Ideal for Harsh Environments
- Diamond-Like Carbon (DLC) Coated Germanium Windows Also Available
![Germanium (Ge) Windows](https://productimages.edmundoptics.com/7932.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- 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.
![ISP Optics Germanium (Ge) Wedged Windows](https://productimages.edmundoptics.com/9478.jpg?w=305&quality=80)
- 30 Arcmin Wedge
- High Transmission from 2 – 10µm
- Ideal for Infrared Applications Requiring Rugged Optics
- Precision Flat Germanium Windows 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.
![TECHSPEC® Diamond-Like Carbon (DLC) Coated Germanium Windows](https://productimages.edmundoptics.com/8376.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- 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
- 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.
![Infrared (IR) Material Windows](https://productimages.edmundoptics.com/4892.jpg?w=305&quality=80)
- Excellent Optics for Infrared Detectors
- Minimal Absorption Loss from 8 - 14μm
- Easily Cut to Size
![ISP Optics Magnesium Fluoride (MgF<sub>2</sub>) Windows](https://productimages.edmundoptics.com/20351.jpg?w=305&quality=80)
- Excellent Transmission from 0.12 to 7μm
- Rugged and Durable
- Resistant to Chemical Etching
![ISP Optics Barium Fluoride (BaF<sub>2</sub>) Windows](https://productimages.edmundoptics.com/20352.jpg?w=305&quality=80)
- Excellent Transmission from 0.2 - 12μm
- Resistant to High-Energy Radiation
- High Transmission without AR Coatings
![ISP Optics Calcium Fluoride (CaF<sub>2</sub>) Windows](https://productimages.edmundoptics.com/20353.jpg?w=305&quality=80)
- Greater than 90% Transmission from 350nm-7μm
- Low Index of Refraction
- Low Solubility and Chemically Inert
![ISP Optics Sapphire Windows](https://productimages.edmundoptics.com/20354.jpg?w=305&quality=80)
- High Corrosion Resistance and Thermal Stability
- Higher Durability than Glass Windows
- Transmission from 0.33 – 5.5µm
![ISP Optics Germanium (Ge) Windows](https://productimages.edmundoptics.com/20355.jpg?w=305&quality=80)
- Minimal Chromatic Aberration Due to Low Dispersion
- Uncoated Transmission from 2 – 16µm
- Available with BBAR or DLC Coating for 8 – 12µm
- 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.
![ISP Optics Fused Silica Windows](https://productimages.edmundoptics.com/20356.jpg?w=305&quality=80)
- Excellent Thermal Stability
- Low Auto-Fluorescence
- IR Grade Fused Silica
![ISP Optics Quartz Windows](https://productimages.edmundoptics.com/20357.jpg?w=305&quality=80)
- High Transmission from 190 - 3500nm
- High Chemical Resistance
- Low Coefficient of Thermal Expansion
![ISP Optics Potassium Bromide (KBr) Windows](https://productimages.edmundoptics.com/20358.jpg?w=305&quality=80)
- Excellent Transmission from 0.25 – 26μm
- Good Resistance to Mechanical Shock
- Ideal for FTIR Spectroscopy
![ISP Optics Silicon (Si) Windows](https://productimages.edmundoptics.com/20359.jpg?w=305&quality=80)
- Transmission from 1.2 - 7μm
- Available Uncoated or HDAR Coated for 3 - 5μm
- Ideal for Weight Sensitive Applications
![ISP Optics Zinc Selenide (ZnSe) Windows](https://productimages.edmundoptics.com/9477.jpg?w=305&quality=80)
- Low Dispersion and Absorption from 0.6 – 18µm
- High Resistance to Thermal Shock
- Ideal for Thermal Imaging, FLIR, and Medical Systems
![ISP Optics Zinc Sulfide (ZnS) Windows](https://productimages.edmundoptics.com/20360.jpg?w=305&quality=80)
- Low Absorption and Low Scatter from 0.4 - 12μm
- Higher Durability than Zinc Selenide
- Ideal for Use with Infrared Sensors
![ISP Optics Lithium Fluoride (LiF) Windows](https://productimages.edmundoptics.com/20350.jpg?w=305&quality=80)
- Excellent Vacuum UV (VUV) Transmission
- High Transmission from 150nm - 6μm
- Low Index of Refraction
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