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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

12.7mm Dia. x 50.8mm FL, 8-12μm BBAR Coated, ZnSe Plano-Convex Lens

See More by Coherent®
TECHSPEC Zinc Selenide (ZnSe) Plano-Convex (PCX) Lenses

TECHSPEC Zinc Selenide (ZnSe) Plano-Convex (PCX) Lenses

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Stock #39-546 3-5 days
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Other Coating Options
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S$584.35
Qty 1-10
S$584.35
Qty 11+
S$526.35
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Specifications

General

Type:
Plano-Convex Lens

Physical & Mechanical Properties

Diameter (mm):
12.70 +0.00/-0.10
Centering, ETD (μm):
≤50.8
Center Thickness CT (mm):
2.00 ±0.10
Edge Thickness ET (mm):
1.72
Clear Aperture CA (mm):
11.43
Bevel:
Protective bevel as needed
Surface Roughness (Å):
<50 RMS

Optical Properties

Effective Focal Length EFL (mm):
50.80 @ 10.6µm
Back Focal Length BFL (mm):
49.97
Coating:
BBAR (8000-12000nm)
Coating Specification:
Ravg ≤0.5% @ 8 - 12μm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Coherent® Infrared ZnSe
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
λ
Irregularity (P-V) @ 10.6μm:
λ/20
Radius R1 (mm):
71.26
f/#:
4.00
Numerical Aperture NA:
0.13
Wavelength Range (nm):
8000 - 12000
Bulk Absorption Coefficient (cm1):
<0.0005 @ 10.6μm

Electrical

Power (P-V) @ 10.6μm:
λ/10

Regulatory Compliance

RoHS 2015:
Reach 224:
Certificate of Conformance:

Product Details

  • Edmund Optics® Designed, Coherent® Manufactured
  • Premier Grade ZnSe Material
  • Uncoated or Broadband AR Coating Options

TECHSPEC® Zinc Selenide (ZnSe) Plano-Convex (PCX) Lenses are designed for focusing or collimation applications in the mid-wave and longwave infrared spectrum. Manufactured by Coherent®, these lenses feature Infrared ZnSe material with <0.0005cm-1 bulk absorption at 10.6µm and are available uncoated or with a variety of broadband anti-reflection coating options. The 8-12µm coating is ideal for use with CO2 lasers and thermal camera applications, whereas the dual band 3-12µm coating is ideal for hyperspectral applications. TECHSPEC® Zinc Selenide PCX Lenses feature an irregularity of <λ/20 at 10.6µm, 40-20 surface quality, and <50Å surface roughness. Three diameter options are available, with effective focal lengths ranging from 12.7mm to 250mm.

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.

Technical Information

AR COATED ZINC SELENIDE

Typical transmission of a ZnSe window with BBAR (3000-12000nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg <5.0% @ 3 - 12μm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a ZnSe window with BBAR (8000-12000nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤0.5% @ 8 - 12μm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

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