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Yb Doped CaGdAlO4 Crystal For High Power And Ultra Short Laser Pulses

Categories Laser Crystals
Place of Origin: China
Brand Name: CRYLINK
Certification: Iso9001
MOQ: 1 Pieces
Price: negotiation
Packaging Details: Carton
Delivery Time: 3-4 weeks
Payment Terms: TT
Supply Ability: 100 pieces /month
Model Number: CRYLINK-Yb:CALGO Laser Crystal
Name: Yb:CALGO
Parallelism: 10
Perpendicularity: 10
Surface Quality: 20/10
Surface Flatness:
Clear Aperture: >90%
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Yb Doped CaGdAlO4 Crystal For High Power And Ultra Short Laser Pulses

Yb Doped CaGdAlO4 Crystal For High Power And Ultra Short Laser Pulses

Yb-doped CaGdAlO4 crystal (Yb:CALGO) is now recognized to exhibit outstanding properties for the production of high-power and ultra-short laser pulses. It has the broad and smooth emission bandwidth to generate very short pulses (<100 fs). Additionally its’ high thermal conductivity make it is able to hold high power pumping(2 at. % Yb:CALGO thermal conductivity to be 6.9 and 6.3 WK1 m1 along the a and c axis); The generation of both very short pulse and high average power femtosecond oscillators has been demonstrated

Yb3+:CaGdAlO4 has been recently demonstrated to be very interesting for the development of diodepumped short-pulsed modelocked lasers. Compared with Ti: Sapphire crystal(the choice for the development of ultrashort laser system producing very short and powerful pulses using the Chirped Pulse Amplification techniqueSince the beginning of the 90’s),Yb:CALGO can be directly pumped by very efficient and high power semiconductor laser.( Titanium Sapphire crystal pumped by green laser)


Material and Specifications
Doping Concentration1-10%
Parallelism10
Perpendicularity10
Surface Quality20/10
Surface Flatness</10@632.8nm
Clear Aperture>90%
Chamfer0.1mm@45°
Thickness/Diameter Tolerance±0.05 mm

Physical and Chemical Properties

FormulaYb:CaGdAlO4 (Yb:CALGO)
Crystal StructureTetragonal K2NiF4 type structure
Melting Point1840°C
Thermal Conductivity/(Wm-1K-1)11.4(undoped)
6.3(2% Yb:CALGO)
5(5% Yb:CALGO)
Thermal Shock Resistance(W.m-1/2)>4.5
Thermal Expansion /(10-6K-1 )35

Optical and Spectral Properties

Emission band width* (FWHM) (nm)80
Emission Wavelength(nm)1018-1052
Minimum theoretical duration (fs)14
Central emission peak (nm)1050
Absorption(usual pumping) (nm)980
Emission cross section(10-20 cm2)0.8
Fluorescence lifetime (s)420
em (scm2)336
Quantum Defect<0.8%

Main properties of laser materials involved in the development of femtosecond lasers
MaterialEmission band
width(FWHM) (nm)
Minimum theoretical
duration (fs)
Central emi
ssion peak (nm)
Absorption
(usual pumping) (nm)
Yb:YAG91241031942
Yb:Glass35311020975
Yb:GdCOB44261044976
Yb:BOYS60181025975
Quality Yb Doped CaGdAlO4 Crystal For High Power And Ultra Short Laser Pulses for sale
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