Schott LG-750 Phosphate Laser Glass

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

Schott LG-750 Phosphate Laser Glass
Categories:	Ceramic; Glass; Optical
Material Notes:	LG-750 is the potassium-barium-aluminum-phosphate based glass with a high cross section for stimulated emission, low nonlinear refractive index, and good thermal characteristics. This glass was initially developed for the US DOE NOVA Laser Facility. The glass property space of this glass is extensively discussed in “Effect of composition on the thermal, mechanical, and optical properties of phosphate laser glasses” Proc SPIE, Vol 1277, 121-139 (1990). Information provided by SCHOTT.
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Metric	English	Comments

Density	2.83 g/cc	0.102 lb/in³

Chemical Properties	Metric	English	Comments
Acid Class, SR	3.0	3.0	pH = 0.3 at 25 °C
Alkali Class, AR	3.0	3.0	pH = 12 at 50 °C
Stain Resistance Class, FR	1.0	1.0	pH = 4.6 100 h at 25 °C

Mechanical Properties	Metric	English	Comments
Hardness, Knoop	290	290	0.1/20
Modulus of Elasticity	50.1 GPa	7270 ksi
Poissons Ratio	0.256	0.256
Fracture Toughness	0.480 MPa-m½	0.437 ksi-in½	K_IC
Shear Modulus	19.9 GPa	2890 ksi	Calculated

Thermal Properties	Metric	English	Comments
CTE, linear	114 µm/m-°C @Temperature 20.0 - 40.0 °C	63.3 µin/in-°F @Temperature 68.0 - 104 °F
	130.1 µm/m-°C @Temperature 20.0 - 300 °C	72.28 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.720 J/g-°C	0.172 BTU/lb-°F
Thermal Conductivity	0.490 W/m-K @Temperature 25.0 °C	3.40 BTU-in/hr-ft²-°F @Temperature 77.0 °F
	0.520 W/m-K @Temperature 90.0 °C	3.61 BTU-in/hr-ft²-°F @Temperature 194 °F
Transformation Temperature, Tg	450 °C	842 °F

Optical Properties	Metric	English	Comments
Refractive Index	1.526	1.526
	1.516 @Wavelength 1054 nm	1.516 @Wavelength 1054 nm
	1.524 @Wavelength 633 nm	1.524 @Wavelength 633 nm
Transmission, Visible	68.2 %	68.2 %

Descriptive Properties
Climatic resistance	2		Water Vapor at 40 – 50 °C for 30 h
Thermal Diffusivity	2.43 [10^-7 m²/sec]

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

Users viewing this material also viewed the following:
Schott IRG 22 Infrared Chalcogenide Glass
Copper-Hardened Rolled Zinc (Zn-1.0Cu), Hot-Rolled - Transverse Properties
Copper-Hardened Rolled Zinc (Zn-1.0Cu), Hot-Rolled - Longitudinal Properties
Copper-Hardened Rolled Zinc (Zn-1.0Cu), Hot-Rolled
Copper-Hardened Rolled Zinc (Zn-1.0Cu), Cold-Rolled - Transverse Properties

CSGT9938 / 183191

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message