Yb:CALGO crystal (Yb-doped CaGdAlO4) 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 WK−1 m−1 along the a and c axis); The generation of both very short pulse and high average power femtosecond oscillators has been demonstrated.
Yb:CaGdAlO4 (Yb:CALGO)- Yb doped crystals for high power and ultrashort(femtosecond) lasers
Yb3+:CaGdAlO4 has been recently demonstrated to be very interesting for the development of diode–pumped 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 technique，Since 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)
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Size(mm)
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Length(mm)
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Cutting
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Doping
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Coating
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Price
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Delivery
(week)
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Order
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4*1.5
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1.5
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A-Cut
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5%
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AR/Ar@1010-1070+970-990 nm |
Negotiable
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1-2
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 |
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4*1.5
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2
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A-Cut
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5%
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AR/Ar@1010-1070+970-990 nm |
Negotiable
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1-2
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4*1.5
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3
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A-Cut
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5%
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AR/Ar@1010-1070+970-990 nm |
Negotiable
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1-2
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| 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 (μs) | 420 |
| σem τ(μscm2) | 336 |
| Quantum Defect | <0.8% |
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