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| Crystal Products >> Laser crystals >> Ti:Sapphire |
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Number: |
62916112916 |
Name: |
Ti:Sapphire |
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Memo: |
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Class: |
Crystal Products |
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Product Readme |
Physical and Optical Properties
Chemical formula................................................................................Ti 3+ : Al 2 O 3
Crystal structure.......................................................................................Hexagonal
Melting point...............................................................................................2050 °C
Density.....................................................................................................3.98 g/cm³
Mohs hardness........................................................................................................9
Thermal conductivity Coefficient..........................................0.11 cal/(°C x sec x cm)
Lasing Wavelength...............................................................660-1050 nm (795 nm)
Absorption range....................................................................400-600 nm (488 nm)
Lattice constants.....................................................................a = 4.748, c = 12.957
Fluorescence lifetime.................................................................3.2 µsec (T = 300 K)
Absorption Coefficient.............................................................1.0-7.5cm -1 @490nm
Refractive index.................................................................................1.76 @ 800 nm
Polarized Emission..................................................................................Unpolarized
Typical Specification and Tolerance
conentration........................................................................0.06-0.5 wt% Ti dopant
Figure of Merit............................................................................................100~300
Aperature...................................................................................................2~50mm
Path Length..............................................................................................2~130mm
End configuration...........................flat/flat or Brewster/Brewster ends or Specified
Orientation.............................................................Optical axis C normal to rod axis
Parallelism.......................................................................................<10 arc seconds
Surface quality..............................better than 60/40 scratch/dig per MIL-O-13830A
Surface flatness................................................................................<λ/10 @633nm
Wavefront distortion............................................................<λ/4 per inch @ 633 nm
Perpendicularity................................................................................< 5 arc minutes
Clear aperture.......................................................................................Central 90%
Chamfer......................................................................................................0.15x44°
Damage threshold..over 15J/cm2 (rods without coating) over 700MW/cm2 (coating) Coatings.........................................................................................AR@700-1100nm |
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| Hits352 UpdateTime2009-6-29 Print Close |
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