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12.7mm Dia., 2mm Thick, Uncoated, ISP Optics Gallium Arsenide (GaAs) Window | GA-W-12-2

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Gallium Arsenide (GaAs) Windows

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Bevel:
Protective as needed
Clear Aperture (%):
85
Clear Aperture CA (mm):
10.79
Diameter (mm):
12.70 +0.00/-0.13
Thickness (mm):
2.00 ±0.13
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
5.39 (0 to +30°C)
Density (g/cm3):
5.32
Edges:
Fine Ground
Index of Refraction nd:
3.293 @ 7μm 3.279 @ 10μm 3.267 @ 12μm
Knoop Hardness (kg/mm2):
750
Parallelism (arcmin):
<3
Poisson's Ratio:
0.31
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Gallium Arsenide (GaAs)
Surface Flatness (P-V):
λ/10 @ 10.6μm
Surface Quality:
60-40
Type:
Protective Window
Wavelength Range (nm):
1000 - 16000
Young's Modulus (GPa):
85
Type of Window:
Crystal
Model Number:
GA-W-12-2

Regulatory Compliance

RoHS:
Compliant
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Certificate of Conformance:
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Product Family Description

  • Broad Transmission Range from 1 - 16μm
  • Tough, Durable Infrared Material
  • Water Insoluble and Chemically Stable

ISP Optics Gallium Arsenide (GaAs) Windows transmit infrared light from 1 - 16μm and are opaque in the visible spectrum. Gallium arsenide is a tough, durable material with a Knoop hardness of 750, allowing for its use as a protective window in laser material processing applications where dust, metallic, or abrasive particle debris is expected. ISP Optics Gallium Arsenide (GaAs) Windows are ideal for thermal imaging, forward looking infrared (FLIR), or CO2­ laser applications requiring durable optics. Gallium arsenide is insoluble in water and chemically stable except against strong acids.

Note: Gallium arsenide is a hazardous material and should be handled with gloves.