![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
![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 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
![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 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 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
![ISP Optics Infrared (IR) Diffusers](https://productimages.edmundoptics.com/9467.jpg?w=305&quality=80)
- Even, Diffuse Surface
- Low Scatter Loss
- 0.3 – 12.0µm Spectral Range
- UV Fused Silica Ground Glass Diffusers Also Available
![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 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 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 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 Infrared Brewster Windows](https://productimages.edmundoptics.com/20460.jpg?w=305&quality=80)
- Transmit P-Polarized Light Without Reflection Losses
- Ideal for Polarization Separation in the IR Spectrum
- Germanium (Ge) or Zinc Selenide (ZnSe) Substrate Options
- 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 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
![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 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
![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 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.
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