Ti:Sapphire Crystals

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 < 10 fs 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 ~ 530 nm.

We can provide Ti:Sapphire crystals with the faces flat cut and broadband AR coated @ 800 nm. The ends can also be cut at the Brewster angle to eliminate the reflection loss.

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Part No.	Description	Application	Material	Wavelength	Bandwidth	Size	Aperture	Thickness	Length	Angle	Doping	Orientation	Displacement	Retardation	Delay	Coating	End cut	Holder	Price	Availability	Add to Cart

Basic Properties:

Chemical formula	Ti³⁺:Al₂O₃
Crystal structure	Hexagonal a=4.758, c=12.991
Density	3.98 g/cm³
Melting point	2040 ^oC
Mohs hardness	9
Thermal conductivity	52 W/m/K
Laser action	4-level vibronic
Fluorescence lifetime	3.2 µs (T=300 K)
Tuning range	660 - 1050 nm
Absorption range	400 - 600 nm
Emission peak	795 nm
Absorption peak	488 nm
Refractive index	1.76 @ 800 nm

Absorption Coefficient vs. Ti Doping Level:

Specifications on Ti:Sapphire Products:

Orientation:	a-cut with the rod axis normal to the optical axis (c-axis). c-cut available upon request.
Titanium (Ti) doping:	0.06 - 0.25% (Weight Percentage, wt%)
Figure of Merit (FOM):	> 250 or 150 depending on the doping level
End configurations:	Flat/Flat or Brewster/Brewster ends
Flatness:	λ/10 @ 633 nm
Parallelism:	20 arc sec
Surface finishing:	10/5 scratch/dig to MIL-O-13830A
Wavefront distortion:	< λ/4 per inch

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