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

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Stock #66-202 3-4 days
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£418.20
Qty 1-10
£418.20
Qty 11+
£376.55
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Prices shown are exclusive of VAT/local taxes
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Specifications

General

Type:
Protective Window

Physical & Mechanical Properties

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
Edges:
Fine Ground
Knoop Hardness (kg/mm2):
210
Parallelism (arcmin):
<1
Poisson's Ratio:
0.27
Young's Modulus (GPa):
74.5

Optical Properties

Coating:
Uncoated
Index of Refraction (nd):
2.371
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Zinc Sulfide Multispectral
Surface Flatness (P-V):
λ/10 @ 10.6μm
Surface Quality:
60-40
Wavelength Range (nm):
400 - 12000

Material Properties

Coefficient of Thermal Expansion CTE (10-6/°C):
6.8
Density (g/cm3):
4.08

Regulatory Compliance

RoHS 2015:
Reach 224:
Certificate of Conformance:

Product Details

  • 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 chemical 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. TECHSPEC® Zinc Sulfide Multispectral Windows are offered uncoated or in a 3 - 12μm Broadband AR Coated Option. These windows are available in diameters ranging from 12.5 to 50.80mm with a 2, 3, or 4mm thickness.  

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

Technical Information

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