Schott IOG-10 Phosphate Laser Glass

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Schott IOG-10 Phosphate Laser Glass
Categories:	Ceramic; Glass; Optical
Material Notes:	IOG-10 is an alkali-zinc-silicate glass developed for use in passive waveguide devices, which are fabricated by ion exchange in a molten KNO3 or AgNO3 salt bath. IOG-10 glass can be codoped with erbium and ytterbium for use in active devices. However, the laser properties of Er/Yb doped IOG-10 are inferior to those realized in a phosphate glass host, such as IOG-1 or IOG-2. IOG-10 devices are discussed in “Ion exchanged waveguide lasers in Er/Yb codoped silicate glass,” Appl. Optics, 38 [33] 6879-6886 (1999). Information provided by SCHOTT.
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Physical Properties	Original Value	Comments

Density	2.71 g/cc

Chemical Properties	Original Value	Comments
Acid Class, SR	1.0	pH = 0.3 at 25 °C
Alkali Class, AR	1.0	pH = 12 at 50 °C
Stain Resistance Class, FR	0.00	pH = 4.6 100 h at 25 °C

Mechanical Properties	Original Value	Comments
Hardness, Knoop	520	0.1/20
Modulus of Elasticity	71.0 GPa
Poissons Ratio	0.24
Fracture Toughness	0.710 MPa-m½	K_IC
Shear Modulus	28.6 GPa	Calculated

Thermal Properties	Original Value	Comments
CTE, linear	68.0 µm/m-°C @Temperature 20.0 - 40.0 °C
	93.0 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.770 J/g-°C
Thermal Conductivity	0.920 W/m-K
Transformation Temperature, Tg	569 °C

Optical Properties	Original Value	Comments
Refractive Index	1.53
	1.518 @Wavelength 1540 nm
	1.521 @Wavelength 1000 nm
Transmission, Visible	56.6 %

Descriptive Properties
Climatic resistance	1	Water Vapor at 40 – 50 °C for 30 h
Thermal Diffusivity	4.4 [10^-7 m²/sec]

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CSGT9936 / 183189

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