WTS Multi-spectrum ZnS and CVD ZnS components

ZnS window Form: ZnS windows,ZnS lenses Coating: Upon requirement ZnS window 

For windows,domes and lenses for thermal-imaging system.CVD ZnS, which appears orange, mainly works in Far-infrared regionMulti-spectrum ZnS (M-ZnS) shows excellent optical properties across the full band of 0.4-12μm, can be used in Far-, Mid-, Near-infrared and visible regions.CVD ZnS windows, lenses and domes with size up to Ø250×16mm. For M-ZnS, the maximum size is 300×200×15mm  

Main Properties

Appellation	Standard CVD ZnS	Multi-Spectral ZnS
Homogeneity of refractive index	<3×10-5 at 0.6328μm	<3×10-5 at 0.6328μm
Hardness(knoop)(kg/mm2)	210-230	160
Rupture modulus(Mpa)	103.4	68
Young's Modulus(GPa)	74.5	74.5
Posson ratio	0.29	0.28
Melting point (C)	1830	1830
Density, (g/cm3)	4.09	4.09
Thermal conductivity(W/cm.K)	0.19	0.272
Thermal expansion coefficient, (10-6 ,C-1 )	7.85	7.85
Specific heat (Cal/g.k.)	0.112	0.124
Dielectric constant	8.35	8.35

1.   CVD ZnS 

2.  Multi-Spectral ZnS

WTS Multi-spectrum ZnS and CVD ZnS components