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Zinc Selenide ( CVD ZnSe) Optics
 

 

Zinc Selenide( ZnSe) is used for optical windows, lenses, mirrors and prisms particularly for infrared applications. The transmission range is 0.5 ~ 22 μm. Used for high power CO2-laser optics at 10.6 microns. Zinc Selenide is produced by synthesis from zinc vapour and H2Se gas, forming as sheets on graphite susceptors. It is microcrystalline in structure, the grain size being controlled to produce maximum strength.

 

Main properties of CVD ZnSe

Transmissive wavelength

0.5~22μm

Density

5.27g/cm3

Transmittance >65% (0.5~8μm)

>70% (8~13μm)
Bending strength
56MPa
Knoop hardness
130 kg/mm2
Refractive index
2.403 (10.6 at μm)
Absorption coefficient
0.0006/cm (10.6 at μm)

Thermal expansion coefficient

7.1×10-6 (273K)

 

 

Laser Optex provide OEM service for industry and research on high quality ZnSe optics.

 

High Precision

Standard

Specifications

Diameter Tolerance

+0.0/-0.1mm

+0.0/-0.1mm

Thickness tolerance

±0.05mm

±0.2mm

Clear Aperture

>85%

>80%

Parallelism

<30 seconds

3'

Surface Quality

10-5 scratch and dig

80-50 scratch and dig

Wavefront Distortion

λ/8 per 25mm at 632nm

2λ per 25mm at 632nm

Bevel

< 0.25mm×45º

<0.25mm×45º

 

Feature product

1.ZnSe prism ( ATR prism, AR coated)

 

 

2.AR Coating ZnSe Windows for high power CO2 laser

catalog and price list download (89K)

Part No.
Dimension  mm
Price 1-5pcs , USD
LZW122
Φ12.7×2 mm , AR10.6μm
36.50
LZW202
Φ20.0×3 mm , AR10.6μm
43
LZW252
Φ25.4×3 mm , AR10.6μm
85
LZW323
Φ32.0×3 mm , AR10.6μm
220
LZW385
Φ38.1×5 mm , AR10.6μm
275
LZW506
Φ50.0×6 mm , AR10.6μm
525

AR coating for ZnSe opics at 8-14μm.

3.BBAR Coated ZnSe window for FTIR spectroscopy

Part No.
Dimension  mm
Price 1-5pcs , USD
FTZE252
Φ25..4×2 mm , AR2.5-12μm
125
FTZE323
Φ32.0×3 mm , AR2.5-12μm
280
FTZE503
Φ50.0×3 mm , AR2.5-12μm
375

BBAR coating for ZnSe optics at 3-12μ m.

IR grade ZnSe for FTIR catalog and price list download (107K)

4.Brewster window catalog and price list download (41K)

 

5.Focusing lenses catalog and price list download

 

6.ATR Hemisphere catalog and price list download (60K)

 

 

Telephone : 0086 -10-62634557 Fax : 0086 -10-65494891 sales@laseroptex.com  
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