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Ti Sapphire Crystal

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Ti Sapphire Crystal

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Brand Name : CRYLINK

Model Number : CRYLINK-Ti:Sapphire Crystal

Certification : Iso9001

Place of Origin : China

MOQ : 1 Pieces

Price : negotiation

Payment Terms : TT

Supply Ability : 100 pieces /month

Delivery Time : 3-4 weeks

Packaging Details : Carton

Material : Crystal,Solid Laser Material,Ti:Sapphire,

Size : Customzied

Technique : Polished,Cutting

Use : LASER SYSTEM

Regional feature : Global

Chamfer : <0.2×45°

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Description

Titanium-doped sapphire (Ti3+:sapphire) as an optically pumped, solid-state laser crystal is widely used in wavelength tunable laser which tunable range is 650-1100nm, and peaking at 800nm, it is one of the widest wavelength tunable laser crystal. The upper-state lifetime of Ti:sapphire is short to 3.2ms, because of high saturation power, it’s hard to pump it by lamp, argon ion lasers or frequency-doubled Nd:YAG laser etc. is usually adapted. Using self-mode-locking technology, the Ti:Sapphire laser can output laser pulse with pulse width as short as 6.5fs directly, which is the narrowest laser pulse of all lasers that directly output from the resonant cavity. Through frequency-double technology, the wavelength of laser beam can cover wide band from blue to deep ultraviolet, produced 193 nm laser has been used in lithography machine.

Parameter

Material and Specifications

Materials Ti3+:Al2O3
Concentration (0.05~0.35) wt%
Orientation A-Axis within 5°,E-vector parallel to C-Axis
Parallelism 30〞
Perpendicularity 5ˊ
Figure of Merit(FOM) 100~300
Wavefront Distortion <­λ /4@632 nm
Surface Flatness <λ­/8@632 nm
Clear Aperture >90%
Surface Quality 10-5(MIL-PRF-13830B)
Coatings Standard coating is AR with R < 5.0% each
face @532 nm and R < 0.5% each face,
from 650 nm to 850 nm. Custom coatings
Chamfer <0.2×45°

Physical and Chemical Properties

Crystal Structure Hexagonal
Density 3.98 g/cm3
Melting Point 2040 °C
Thermal Conductivity 33 W / (m K)
Temperature dependence of refractive index 13 × 10−6K−1
Thermal shock resistance parameter 790 W/m
Thermal Expansion ≈ 5 × 10-6K-1
Hardness (Mohs) 9
Young`s Modulus /GPa 335
Specific heat 0.1 cal/g
Tensile Strength/Mpa 400
Diameter 4-12mm
Ti density for 0.1% at. doping 4.56 × 1019cm−3

Optical and Spectral Properties

Laser Transition F3/2→F1/2
Laser Wavelength 660-1200 nm
Central emission 800 nm
Turnable Absorption Band 400-600 nm
Absorption peak 488 nm
Emission Cross Section @ 790 nm 41 × 10-20 cm2
Fluorescence Lifetime 3.2 ms
Emission Linewidth 650-1100 nm
Refractive Index @633 nm 1.77@ 532 nm; 1.76@800 nm; 1.75@1100 nm
Absorption Coefficient 0.5～6.0 cm-1

Absorption and Emission Spectrum

Ti Sapphire CrystalTi Sapphire Crystal

Feature

  • Wide wavelength tunability
  • Broad absorption pump band
  • Preeminent output efficiency
  • Short upper-state lifetime(3.2 mm)
  • Narrow locked mode width
  • High damage thresholdExcellent thermal conductivity


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