Yb CALGO Laser Crystal
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Ships from:
China
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On FindLight:
since 2019
Description
Yb:CaGdAlO4 (Yb:CALGO)- Yb doped crystals for high power and ultrashort(femtosecond) lasers
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 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.
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).
Yb CALGO Laser Crystal
Specifications |
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|---|---|
| Type Of Crystal: | TeO2 |
| Crystal Diameter: | 5 mm |
| Crystal Length: | 15 mm |
| AR Coating: | One side |
Features
High thermal conductivity
Large gain bandwidth
Broad and smooth emission bandwidth
Low refractiveindex-temperature gradient
Absorption band is covered by high-power InGaAs laser diodes
Applications
Solid state femtosecond oscillators
Ultrafast solid-state laser¬——time-resolved spectroscopy, multiphoton imaging, micromachining, refractive surgery, acceleration of particles, X-rays generation, fusion, etc.
modelocked laser
BAW device
Diode–pumped short-pulsed modelocked lasers
Femtosecond lasers technology
Bicolor double-pulse regime¬——Yb:CALGO, it is possible to generate double pulses with different wavelengths, which is to our best knowledge the first demonstration of bicolor femtosecond double-pulse operation. Very broad spectrum has been obtained with a bandwidth greater than 30 nm (fig. 4). The spectrum can be fit with two Gaussians: one centered at 1040 nm with a bandwidth of 21 nm and one centred at 1057 nm with a bandwidth of 10 nm with lower amplitude (60%).
Frequently Asked Questions
Yes, with Yb:CALGO, it is possible to generate double pulses with different wavelengths, which is the first demonstration of bicolor femtosecond double-pulse operation.
Yb:CALGO can be directly pumped by very efficient and high power semiconductor laser, while Ti:Sapphire crystal is pumped by green laser.
Yb:CALGO is used for solid state femtosecond oscillators, ultrafast solid-state laser, time-resolved spectroscopy, multiphoton imaging, micromachining, refractive surgery, acceleration of particles, X-rays generation, fusion, BAW device, and diode-pumped short-pulsed modelocked lasers.
Yb:CALGO has a broad and smooth emission bandwidth, high thermal conductivity, and low refractive index-temperature gradient.
Yb:CALGO is a Yb-doped CaGdAlO4 crystal that is used for high-power and ultra-short laser pulses.