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

12.7mm Dia. x 6.35mm FL, 8-12µm AR Coated, ZnSe Aspheric Lens

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TECHSPEC Zinc Selenide (ZnSe) Aspheric Lenses

TECHSPEC Zinc Selenide (ZnSe) Aspheric Lenses

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Stock #39-504 Contact Us
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£743.75
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£743.75
Qty 11+
£669.38
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Diameter (mm):
12.70 +0.00/-0.10
Effective Focal Length EFL (mm):
6.35
Numerical Aperture NA:
1.00
Back Focal Length BFL (mm):
4.69
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Coherent® Infrared ZnSe
Asphere Figure Error, RMS @ 632.8nm:
λ/2
Coating:
BBAR (8000-12000nm)
Coating Specification:
Ravg <0.5% @ 8 - 12μm
Centering (arcmin):
≤20
Centering, ETD (μm):
≤50.8
Surface Quality:
40-20
Clear Aperture CA (mm):
11.43
Edge Thickness ET (mm):
1.89
Center Thickness CT (mm):
4.00 ±0.10
f/#:
0.5
Bevel:
Protective bevel as needed
Shape of Back Surface:
Plano
Type:
Aspheric Lens
Wavelength Range (nm):
8000 - 12000
Conjugate Distance:
Infinite
Surface Roughness (Angstroms):
<50 RMS
Power (P-V) @ 10.6μm:
λ/10

Regulatory Compliance

RoHS 2015:
Compliant
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Reach 224:
Compliant
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Certificate of Conformance:
View
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Product Family Description

  • Edmund Optics Designed, Coherent® 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 Coherent® 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.

Note: II-VI Incorporated is now Coherent Corp.