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All Products / Optics / Optical Lenses / Aspheric Lenses / Infrared / Zinc Selenide (ZnSe) Aspheric Lenses
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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

25.4mm Dia. x 12.7mm FL, Uncoated, ZnSe Aspheric Lens

See More by Coherent®
TECHSPEC Zinc Selenide (ZnSe) Aspheric Lenses

TECHSPEC Zinc Selenide (ZnSe) Aspheric Lenses

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Stock #39-471 3-4 days
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€1.100,00
Qty 1-10
€1.100,00
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€997,20
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Diameter (mm):
25.40 +0.00/-0.10
Effective Focal Length EFL (mm):
12.70
Numerical Aperture NA:
1.00
Back Focal Length BFL (mm):
10.21
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:
Uncoated
Centering (arcmin):
≤3
Centering, ETD (μm):
≤12.7
Surface Quality:
40-20
Clear Aperture CA (mm):
22.86
Edge Thickness ET (mm):
1.83
Center Thickness CT (mm):
6.00 ±0.10
f/#:
0.5
Bevel:
Protective bevel as needed
Shape of Back Surface:
Plano
Type:
Aspheric Lens
Wavelength Range (nm):
600 - 18000
Conjugate Distance:
Infinite
Surface Roughness (Å):
<50 RMS
Power (P-V) @ 10.6μm:
λ/10
Power (P-V) @ 632.8nm:
λ/10

Regulatory Compliance

RoHS 2015:
Compliant
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Reach 224:
Compliant
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Certificate of Conformance:
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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.

Notes: II-VI Incorporated is now Coherent Corp.

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.