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

40mm Diameter Uncoated, Zinc Sulfide Multispectral Window

TECHSPEC® Zinc Sulfide Multispectral Windows

TECHSPEC® Zinc Sulfide Multispectral Windows

Stock #66-202
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Qty 1-10
$410.00
Qty 11+
$370.00
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Bevel:
Protective as needed
Clear Aperture (%):
90.00
Clear Aperture CA (mm):
36.00
Diameter (mm):
40.00 +0.0/-0.1
Thickness (mm):
4.00 ±0.1
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
6.8
Density (g/cm3):
4.08
Edges:
Fine Ground
Index of Refraction nd:
2.371
Knoop Hardness (kg/mm2):
210
Parallelism (arcmin):
<1
Poisson's Ratio:
0.27
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Zinc Sulfide Multispectral
Surface Flatness:
λ/10 @ 10.6μm
Surface Quality:
60-40
Type:
Protective Window
Wavelength Range (nm):
400 - 12000
Young's Modulus (GPa):
74.5

Regulatory Compliance

RoHS 2015:
Reach 209:

Product Family Description

  • Multispectral Grade Zinc Sulfide Substrate
  • Low Absorption and Low Scatter from 0.4 - 12μm
  • Available Uncoated or 3 - 12μm Broadband AR Coated Option

TECHSPEC® Zinc Sulfide Multispectral Windows are manufactured from a water-free, multi-spectral grade of zinc sulfide that has low absorption and scatter properties over its broad transmission range of 0.4 - 12μm. Like our TECHSPEC® Zinc Selenide Windows, Zinc Sulfide Multispectral is a chemically vapor deposited material which is commonly used in thermal imaging. With its excellent transmission properties in the visible and infrared, Zinc Sulfide Multispectral is the material of choice for systems that have both visible and mid-wave or long-wave infrared sensors. It is slightly harder and more chemically resistant than zinc selenide.

Note: Although special handling is required, acetone may be used to remove particles or debris from the windows.

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