Schott IRC-1 Zinc Sulfide Broadband Infrared Ceramic

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Schott IRC-1 Zinc Sulfide Broadband Infrared Ceramic
Categories:	Ceramic; Sulfide/Chalcogenide
Material Notes:	Zinc Sulfide is suitable material for broadband infrared windows, domes and optics. No other material offers this combination of optical properties and environmental resistance. SCHOTT has developed a ceramic process to produce polycrystalline Zinc Sulfide, IRC-1. IRC-1 has significantly improved optical and mechanical performance compared to CVD processed material. IRC-1 is the material of choice for mid and long wave IR applications Advantages: IRC-1 performs with high transmission between 3 – 12 µm Fine grained and homogenous microstructures Higher Strength and Hardness Lower cost finishing Improved results from deterministic finishing Ceramic process allows the production of near net shape dome blanks and curved window blanks Reduces processing time and associated costs Reduces production complexity Applications: Thermal Imaging Systems Thermography Predictive Maintenance Automotive Safety Systems Vandal Proof Surveillance and Imaging Force Protection Intrinsically Safe IR Imaging Systems Machine Vision systems Process Control Robotic Manufacturing: UAV Imaging Information provided by SCHOTT.
Key Words:	ZnS
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Physical Properties	Original Value	Comments

Density	4.08 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Knoop	270 - 310	[kg/mm2]
Modulus of Elasticity	74.0 GPa
Modulus of Rupture	0.120 GPa
Poissons Ratio	0.27
Shear Modulus	29.1 GPa	Calculated

Thermal Properties	Original Value	Comments
CTE, linear	5.90 µm/m-°C @Temperature -40.0 - 70.0 °C
Specific Heat Capacity	0.470 J/g-°C
Thermal Conductivity	16.7 W/m-K

Optical Properties	Original Value	Comments
Refractive Index	2.13 @Wavelength 14000 nm
	2.152 @Wavelength 13000 nm
	2.17 @Wavelength 12000 nm
	2.186 @Wavelength 11000 nm
	2.20 @Wavelength 10000 nm
	2.212 @Wavelength 9000 nm
	2.223 @Wavelength 8000 nm
	2.232 @Wavelength 7000 nm
	2.239 @Wavelength 6000 nm
	2.246 @Wavelength 5000 nm
	2.252 @Wavelength 4000 nm
	2.257 @Wavelength 3000 nm
	2.264 @Wavelength 2000 nm
	2.297 @Wavelength 947 nm
	2.348 @Wavelength 639 nm
	2.482 @Wavelength 441 nm
	2.929 @Wavelength 1000 nm

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CSGT9928 / 183181

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