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For High Performance LasersTi:Sapphire
High Figuresof Merit (FOM)
No Bulk Scatter
Large Sizes andHighly Doped
MaterialAvailable
Brewster’sAngle and PlanoRods Available
in CustomCongurations
High LaserDamage
Threshold
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Tunability Range of Ti:Sapphire
PhysicalChemicalFormula
CrystalStructure
Unit Cell
Density
Hardness
Melting Point
Ti3+:AI203
Hexagonal System(Rhombohedral)
a=4.758 Å, c=12.991 Å
3.98 g/cm3
9 mohs, 1525-2000 Knoop
2040°C (nominal)
Thermal
ThermalConductivity
ThermalExpansion
Specic Heat
Heat Capacity
0.105 cal/cm-sec-°C
8.40 X 10-6 per °C
0.10 cal/g
18.6 cal/°C-mole@room temperature
Laser
Laser Action
AbsorptionBand
Tunable Range
Fluorescence
LifetimePeakCross-Section
Refractive Index
4-Level Vibronic
400-600 nm (peak at 490)
660-1200 nm (peak at 800)
3.2 ms
3-4 x 10-19 cm2
1.76 (nominal)
Material Propertiesof HEM Ti:Sapphire
wavelength (nm)
600 700 800 900 1000 1200
1.0
0.8
0.6
0.4
.02
0.0
I n t e n s
i t y
∏ Polarization
wavelength (nm)
I n t e n s
i t y
1.0
0.8
0.6
0.4
0.2
400 450 500 900850800750700650600550
Absorbance Fluorescence
Sapphire Material Sales & ServicesGT Crystal Systems, LLC35 Congress StreetSalem, MA 01970 USAPhone: +1 978.745.0088Fax: +1 [email protected]
Worldwide Headquarters20 Trafalgar SquareNashua, NH 03063 USAPhone: +1 603.883.5200Fax: +1 603.595.6993www.gtat.com
© 2012 GTAT Corporation. All rights reserved. Subject to change without notice. The GT logo and ASF are trademarks of GTAT Corporation.
