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

25mm Dia. x 3mm Thickness, Uncoated, ZnSe Window

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Stock #68-493 Other Coating Options
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€252,50
Qty 1-10
€252,50
Qty 11+
€227,50
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Bevel:
Protective as needed
Clear Aperture (%):
90
Clear Aperture CA (mm):
22.50
Diameter (mm):
25.00 +0.0/-0.1
Thickness (mm):
3.00 ±0.1
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
7.57
Density (g/cm3):
5.27
Edges:
Fine Ground
Index of Refraction nd:
2.631
Knoop Hardness (kg/mm2):
120
Parallelism (arcmin):
<1
Poisson's Ratio:
0.28
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Zinc Selenide (ZnSe)
Surface Flatness (P-V):
λ/10 @ 10.6μm
Surface Quality:
60-40
Type:
Protective Window
Wavelength Range (nm):
600 - 18000

Regulatory Compliance

RoHS 2015:
Reach 224:
Certificate of Conformance:

Product Description

Special care should be taken when handling Zinc Selenide as it is a toxic material. Always wear rubber or plastic gloves to avoid risk of contamination.
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