Name: 12.7mm Dia. x 12.7mm FL, Uncoated, ZnSe Aspheric Lens
Brand: TECHSPEC
SKU: 39-470
Price: €705,00

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

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TECHSPEC Zinc Selenide (ZnSe) Aspheric Lenses

Stock #39-470 Other Coating Options

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€705,00

Qty 1-10
€705,00

Qty 11+
€634,50

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Diameter (mm):

12.70 +0.00/-0.10

Effective Focal Length EFL (mm):

12.70

Numerical Aperture NA:

0.50

Back Focal Length BFL (mm):

11.25

Center Thickness CT (mm):

3.50 ±0.10

Coating:

Uncoated

II-VI Infrared ZnSe

Clear Aperture CA (mm):

11.43

Surface Quality:

40-20

Edge Thickness ET (mm):

2.39

Centering (arcmin):

≤20

Centering, ETD (μm):

≤50.8

Bevel:

Protective bevel as needed

f/#:

Shape of Back Surface:

Plano

Wavelength Range (nm):

600 - 18000

Conjugate Distance:

Infinite

Surface Roughness (Angstroms):

<50 RMS

Power (P-V) @ 10.6μm:

λ/10

Asphere Figure Error, RMS @ 632.8nm:

λ/2

Regulatory Compliance

RoHS 2015:

Compliant

Reach 209:

Compliant

Certificate of Conformance:

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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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