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Ti: Sapphire Crystal

Ti: Sapphire CrystalTitanium doped Sapphire (Ti:Sapphire) is a versatile crystal for scientific and research applications. It combines the excellent thermal, physical and optical properties of sapphire with the broadest tunable range of any known laser material. Short, femto-second pulses can be produced successfully across the tunable range making Ti:sapphire ideal for ultra-fast spectroscopy.


Bluebean Optical supplies Ti:Sapphire in a broad range of compositions and sizes, with excellent figures of merit (FOM) and optical quality. Laser output can be can be generated over the entire spectrum from 650 nm to 1100 nm. Frequency doubling the output provides tunability across the blue-green region of the visible spectrum.

Ti: Sapphire Crystal Basic Properties:

 Chemical formula

 Ti3+: Al2O3

 Crystal structure


 Lattice constants

 a=4.758, c=12.991


 3.98 g/cm3

 Melting point


 Mohs hardness


 Thermal conductivity

 52 W/m/k

 Specific heat

 0.42 J/g/k

 Laser action

 4-Level Vibronic

 Fluorescence lifetime

 3.2μs (T=300K)

 Tuning range

 660 - 1050 nm

 Absorption range

 400 - 600 nm

 Emission peak

 795 nm

 Absorption peak

 488 nm

 Refractive index

 1.76 @ 800 nm

 Peak Cross-section


 Thermal Expansion



Ti: Sapphire Standard Product Specifications:


 Ti2O3 concentration

 0.06 ~ 0.5 atm%

 Figure of Merit

 100 ~ 300


 2 ~ 80mm


 2 ~ 130mm

 End Configuration

 Plano/Plano or Brewster/Brewster or Specified


 Optical axis C normal to rod axis


 < λ/10 @ 633nm

 Surface Quality



 < 10 arc seconds

 Wavefront Distortion

 < λ/8 @ 633nm