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

20mm Dia. x 2mm Thickness, 8-12μm Coated, ZnSe Window

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Stock #68-500 Other Coating Options
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€273,00
Qty 1-10
€273,00
Qty 11+
€246,00
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Specifications

Bevel:
Protective as needed
Clear Aperture (%):
90
Clear Aperture CA (mm):
18.00
Diameter (mm):
20.00 +0.0/-0.1
Thickness (mm):
2.00 ±0.1
Coating:
BBAR (8000-12000nm)
Coating Specification:
Ravg ≤0.5% @ 8 - 12μm
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):
8000 - 12000

Regulatory Compliance

RoHS 2015:
Reach 209:

Learn More

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.

Technical Information

Compatible Mounts

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20.0mm Optic Dia., Optic Mount Fixed #64-559 €30,00
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5.0 - 25.0mm Optic Height, Metric Bar-Type Optic Holder Fixed #55-529 €90,00
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7.0 - 67.0 Optic Height, English Bar-Type Optic Holder Fixed #03-669 €98,00
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8.0 - 118.0 Optic Height, English Bar-Type Optic Holder Fixed #03-666 €101,00
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2"/50.8mm Diameter, Bar Type Lens / Filter Holder, Quick Start Optical Mounts Fixed #17-530 €135,00 Request Quote
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5.0 - 100.0mm Optic Dia., Self-Centering Jaw Clamp Fixed #16-078 €356,00
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