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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: +1 978.745.5059SapphireSales@gtat.com

Worldwide Headquarters20 Trafalgar SquareNashua, NH 03063 USAPhone: +1 603.883.5200Fax: +1 603.595.6993www.gtat.com

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