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TECHSPEC 25.4mm Dia. x 25.4mm FL, 8-12µm AR Coated, ZnSe Aspheric Lens

TECHSPEC Zinc Selenide (ZnSe) Aspheric Lenses

TECHSPEC Zinc Selenide (ZnSe) Aspheric Lenses

Stock #39-516 New
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A$1,476.75
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Qty 1-10
A$1,476.75
Qty 11
A$1,329.08
Volume Pricing
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Diameter (mm):
25.40 +0.00/-0.10
Effective Focal Length EFL (mm):
25.40
Numerical Aperture NA:
0.50
Back Focal Length BFL (mm):
23.53
Center Thickness CT (mm):
4.50 ±0.10
Coating:
BBAR (8000-12000nm)
Coating Specification:
Ravg <0.5% @ 8 - 12μm
Substrate:
II-VI Infrared ZnSe
Clear Aperture (%):
90
Asphere Figure Error (μm RMS):
0.17
Surface Quality:
40-20
Edge Thickness ET (mm):
2.29
Centering (arcmin):
≤3
Centering, ETD (μm):
≤12.7
Surface Accuracy, P-V (μm):
0.50
Type:
Aspheric Lens
Wavelength Range (nm):
8000 - 12,000
Wavelength Range (μm):
8 - 12

Regulatory Compliance

RoHS:

Product Family Description

  • Edmund Optics Designed, II-VI Manufactured
  • Premier Grade ZnSe Material
  • Uncoated or Broadband 8-12µm AR Coating Available

TECHSPEC® Zinc Selenide (ZnSe) Aspheric Lenses are designed to provide diffraction-limited focusing performance for 10.6µm CO2 lasers. Manufactured from II-VI Infrared ZnSe material featuring <0.0005 cm-1 bulk absorption at 10.6µm, these lenses are available uncoated or with a broadband anti-reflection coating providing superior transmission from 8 - 12µm. The precision designs are ideal for integration into laser systems, thermal imaging assemblies, and FTIR devices. TECHSPEC Zinc Selenide Aspheric Lenses feature an irregularity of <λ/20 at 10.6µm, 40-20 surface quality, and <50Å surface roughness.

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