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Ti:Sapphire Crystals

Ti:Sapphire Crystals

Titanium-doped sapphore crystals combine outstanding physical and optical properties with broadest lasing range.

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Specifications
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Description

STANDARD SPECIFICATIONS

Orientation

Optical axis C normal to rod axis

Ti2O3 concentration

0.03-0.25 wt %

Figure of Merit

> 150 (>300 available on special requests)

Size

up to 20 mm dia and up to 130 mm length

End configurations

flat/flat or Brewster/Brewster ends

Flatness

λ/10 @ 633 nm

Parallelism

10 arcsec

Surface Quality

10-5 scratch & dig (MIL-PRF-13830B)

Wavefront distortion

λ/4 inch


 Physical and Laser Properties

Chemical formula

Ti3+:Al2O3

Crystal structure

Hexagonal

Lattice constants

a=4.748, c=12.957

Density

3.98 g/cm3

Mohs hardness

9

Thermal conductivity

0.11 cal/(°C×sec×cm)

Specific heat

0.10 cal/g

Melting point

2050°C

Laser action

4-Level Vibronic

Fluorescence lifetime

3.2 µsec (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

 

 

 

Ti:Sapphire Laser Crystals Brochure
277.06 kB
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Titanium Sapphire (Al2O3:Ti3+) crystals indefinitely long stability and useful lifetime added to the lasing over entire band of 600-1050 nm challenge "dirty" dyes in variety of applications. Medical laser systems, lidars, laser spectroscopy, direct femtosecond pulse generation by Kerr-type mode-locking - there are a lot of existing and potential applications of Ti:Sapphire crystals.

 

The absorption band of Ti:Sapphire centered at 490 nm makes it suitable for variety of laser pump sources - argon ion, frequency doubled Nd:YAG and YLF, copper vapour lasers. Because of 3.2μm fluorescence lifetime Ti:Sapphire crystals can be effectively pumped by short pulse flashlamps in powerful laser systems.