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Ti:Sapphire
Titanium Doped Sapphire Crystal (Ti:Sapphire)

 Titanium Doped Sapphire Crystal (Ti:Sapphire)

Basic Properties

Chemical formula:

         Ti3+: Al2O3

Crystal structure:

         Hexagonal

Lattice constants:

         a=4.758,   c=12.991

Density:  

         3.98 g/cm3

Melting point:

          2040oC

Mohs hardness:      

         9

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

Absorbtion range:

        400 - 600 nm

Emission peak:         

         795 nm

Absorption peak:

         488 nm

Refractive index:

         1.76 @ 800 nm

Peak Cross-section:

         3-4x10-19cm2

thermal Expansion:

         8.40x10-6/ 

Standard product specifications

* Orientation: Optical axis C normal to rod axis
* Ti2O3 concentration: 0.06 - 0.26atm %
* Figure Of Merit(FOM): 100~250(>250 available on special requests)
* α490: 1.0-4.0cm-1
* Diameter: 2-30mm or specified
* Path Length: 2-30mm or specified
* End configurations: Flat/Flat or Brewster/Brewster ends
* Flatness: <λ/10 @ 633 nm
* Parallelism: <10 arc sec
* Surface finishing: <40/20scratch/dig to MIL-PRF-13830B
* Wavefront distortion: <λ/4 per inch

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