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25.4mm Dia. x 254.0mm FL, Uncoated, ZnSe Plano-Convex Lens

Zinc Selenide Plano-Convex (PCX) Lenses

Zinc Selenide Plano-Convex (PCX) Lenses

Stock #47-182
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Qty 1-10
€325.00
Qty 11
€295.00
Volume Pricing
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Diameter (mm):
25.40
Effective Focal Length EFL (mm):
254.00 @ 10.6µm
Back Focal Length BFL (mm):
253.25
Coating:
Uncoated
Substrate:
Zinc Selenide (ZnSe)
Surface Quality:
60-40
Irregularity (P-V) @ 10.6μm:
λ/20
Focal Length Tolerance (%):
±2 @ DWL
Centering (arcmin):
3-5
Center Thickness CT (mm):
2.20 ±0.2
Edge Thickness ET (mm):
2.0
Radius R1 (mm):
356.51
Clear Aperture CA (mm):
22.86
f/#:
10.00
Numerical Aperture NA:
0.05
Effective Focal Length EFL @ 0.6328μm (mm):
224.12
Effective Focal Length EFL @ 1.064μm (mm):
240.57
Effective Focal Length EFL @ 10.6μm (mm):
254.00
Effective Focal Length EFL @ 12μm (mm):
255.96
Effective Focal Length EFL @ 2.94μm (mm):
247.94
Effective Focal Length EFL @ 5.0μm (mm):
249.39
Type:
Plano-Convex Lens
Bevel:
Protective bevel as needed
Wavelength Range (nm):
600 - 16000

Regulatory Compliance

RoHS 2015:
Reach 209:

Product Family Description

  • Usable Transmission Range is 600nm to 16μm
  • Low Dispersion

Zinc Selenide is a chemically vapor deposited material commonly used in thermal imaging, FLIR, and medical systems. It has wide usage in high power CO2 laser systems because of its low absorption coefficient and high resistance to thermal shock. Zinc Selenide is a relatively soft material that scratches easily and it is not recommended for use in harsh environments (Knoop Hardness 120). Great care must be taken during handling, mounting, and cleaning. Apply uniform pressure when handling, wear Latex finger cots or gloves to prevent contamination and do not use tweezers or other tools.

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.

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