Ti:Sapphire

Ti:Sapphire crystal is the most widely used tunable solid-state laser material combining the supreme physical and optical properties with the extremely broad lasing range. Its lasing bandwidth can support pulses < 10fs making it the crystal of choice for femtosecond mode-locked oscillators and amplifiers.  

The absorption band of Ti:Sapphire centers at ~ 490 nm so it may be conveniently pumped by various laser sources such as argon ion lasers or frequency doubled Nd:YAG, Nd:YLF, Nd:YVO4 lasers at ~ 530nm.


Applications

The tunable wavelengths that cover a broad range from 700 to 1000 nm make Ti:Sapphire an   excellent substitute for dye lasers in many applications.

Doubling by NLO crystals such as BBO in an ultra-thin, Ti:Sapphire can be used to generate UV and DUV (up to 193 nm ) laser with ultrafast pulses below 10fs.

Ti:Sapphire is also widely usedas the pump source of OPOs to expand the tunable range.



 

Properties

Chemical formula

Ti3+:Al2O3 

Crystal structure

Hexagonal a=4.758, c=12.991

Density

3.98 g/cm3

Melting point

2040oC

Mohs hardness

9

Thermal conductivity

52 W/m/K

Laser action

4-level vibronic

Fluorescence lifetime

3.2 µs (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


 

Specifications

Ti2O3 concentration

0.06 - 0.5wt %

Orientation

Optical axis C normal to rod axis

Figure Of Merit (FOM)

150~250 Upon customers request

Wavefront Distortion

λ/4@633nm

Flatness

λ/8 @ 633 nm

Parallelism

10 arc sec

Surface finishing

10/5 scratch/dig to MIL-O-13830A

Clear Aperture

>90%

Chamfer

<0.1mmx45°

End configurations

Flat/Flat or Brewster/Brewster ends

 

  

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