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

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

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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 (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 Concentration 1-10%
Parallelism 10
Perpendicularity 10
Surface Quality 20/10
Surface Flatness </10@632.8nm
Clear Aperture >90%
Chamfer 0.1mm@45°
Thickness/Diameter Tolerance ±0.05 mm

Physical and Chemical Properties

Formula Yb:CaGdAlO4 (Yb:CALGO)
Crystal Structure Tetragonal K2NiF4 type structure
Melting Point 1840°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
Material Emission band
width(FWHM) (nm)		 Minimum theoretical
duration (fs)		 Central emi
ssion peak (nm)		 Absorption
(usual pumping) (nm)
Yb:YAG 9 124 1031 942
Yb:Glass 35 31 1020 975
Yb:GdCOB 44 26 1044 976
Yb:BOYS 60 18 1025 975

Product Tags:

nd yag laser rod

      

titanium doped sapphire

      
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