Mateck Zero Expansion Glass

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Mateck Zero Expansion Glass - ZERODUR
Categories:	Ceramic; Glass; Glass Ceramic
Material Notes:	Optical crystals
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Physical Properties	Metric	English	Comments

Density	2.53 g/cc	0.0914 lb/in³

Mechanical Properties	Metric	English	Comments
Modulus of Elasticity	91.0 GPa	13200 ksi
Poissons Ratio	0.24	0.24
Shear Modulus	36.7 GPa	5320 ksi	Calculated

Thermal Properties	Metric	English	Comments
CTE, linear	0.0500 µm/m-°C @Temperature 20.0 - 300 °C	0.0278 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.821 J/g-°C	0.196 BTU/lb-°F
Thermal Conductivity	1.64 W/m-K @Temperature 100 °C	11.4 BTU-in/hr-ft²-°F @Temperature 212 °F

Optical Properties	Metric	English	Comments
Refractive Index	1.5394 @Wavelength 656.3 nm	1.5394 @Wavelength 656.3 nm
	1.5447 @Wavelength 546.1 nm	1.5447 @Wavelength 546.1 nm	at ne
	1.5447 @Wavelength 546.1 nm	1.5447 @Wavelength 546.1 nm
	1.5544 @Wavelength 435.8 nm	1.5544 @Wavelength 435.8 nm
Transmission, Visible	90 % @Wavelength 700 nm	90 % @Wavelength 700 nm	Internal Transmittance
IR Transmittance	0.00 % @Wavelength 4500 nm	0.00 % @Wavelength 4500 nm	Internal Transmittance
	0.00 % @Wavelength 3000 nm	0.00 % @Wavelength 3000 nm	Internal Transmittance
	40 % @Wavelength 3700 nm	40 % @Wavelength 3700 nm	Internal Transmittance
	80 % @Wavelength 2900 nm	80 % @Wavelength 2900 nm	Internal Transmittance
UV Transmittance	0.00 % @Wavelength 350 nm	0.00 % @Wavelength 350 nm	Internal Transmittance

Descriptive Properties
Thermal Coefficient of Refractive Index	1.43E-05		at 0.5461 microns for 0/+20 °C
Transmission Range (microns)	0.5 - 2.5

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CMAT056 / 87740

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