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Address:
Changchun Worldhawk
Optoelectronics Co.,Ltd
No.189,Chang-Ji Nan Road.
Changchun,China 130022

Tel:+86 431 89825768
Email:
Sales@worldhawk.com
Website:www.worldhawk.com

Copyright 2017,Worldhawk Optics Co.,LTD
No.189,Chang-Ji Nan Road.Changchun,China 130022  Powered by 300.cn  Ji ICP No.10005497

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Name

ZnS Windows

Size
0.2-300mm
Moq
10
Price
0.00
Instructions

ZnS Windows

An Optical Window is an optically flat. These regular windows are applied to isolate different physical environments while allowing light pass. When selecting windows,please consider materials, transmission, scattering, parallelism and resistance to certain environment. It can be widely used on laser technology, IR detector and imaging technology etc.
 
Worldhawk offers standard and high precision optical glass windows in round ,rectangular, wedge windows and custom shape and size with different optical glasses,Fused Silica, Sapphire, ZnSe, Zns and IR crystal. The high precision parallelism of 10 arc seconds, surface quality of 10/5 and flatness of λ/20. Single layer or multi-layer anti-reflection coatings are available.

 

Windows general specifications

Diameter  0.2-300mm
Diameter tolerance  +/-0.1mm or +/-0.02mm
Thickness  0.10-100mm
Thickness tolerance  ± 0.1mm or +/-0.02mm
Surface quality (scratch & dig)  60/40, 40/20 or better
Surface accuracy  λ/10, λ/2, λ
Clear Aperture  >85%, >90%
Parallelism  +/-3' ,+/-30''
Bevel  0.1~0.3mm×45 degree
coating  AR, BBAR or upon customer request( UV, VIS, IR)

 

Materials characteristic

 

  B270 CaF2 Ge MgF2 N-BK7 Sapphire Si UV Fused Silica ZnSe  ZnS
Refractive index (nd) 1.523 1.434 4.003 1.413 1.517 1.768 3.422 1.458 2.403 2.631
Coefficient of dispersion (Vd) 58.5 95.1 N/A 106.2 64.2 72.2 N/A 67.7 N/A N/A
Density(g/cm3) 2.55 3.18 5.33 3.18 2.46 3.97 2.33 2.20 5.27 5.27
TCE(μm/m℃) 8.2 18.85 6.1 13.7 7.1 5.3 2.55 0.55 7.1 7.6
Soften Temperature(℃) 533 800 936 1255 557 2000 1500 1000 250 1525

Knoop hardness

(kg/mm2)

542 158.3 780 415 610 2200 1150 500 120 120

 

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