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Zinc Selenide (ZnSe) Windows

  • Low Dispersion
  • Available Uncoated or AR Coated
  • Ideal for Thermal Imaging, FLIR, and Medical Systems

TECHSPEC® Zinc Selenide (ZnSe) Windows are ideal for a wide variety of infrared applications including thermal imaging, FLIR, and medical systems. This chemically vapor deposited material has wide usage in high power CO2 laser systems because of its low absorption coefficient and high resistance to thermal shock. Zinc Selenide (ZnSe) is a relatively soft material that scratches easily and it is not recommended in harsh environments because its Knoop Hardness is only 120. When handling, apply uniform pressure and wear Latex finger cots or gloves to prevent contamination.

Note: 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.

Common Specifications

Surface Flatness:
λ/10 @ 10.6μm
Clear Aperture (%):
90
Parallelism (arcmin):
<1
Surface Quality:
60-40
Substrate:
Zinc Selenide (ZnSe)

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