Getting My KYW Crystal To Work
Getting My KYW Crystal To Work
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The acquire bandwidth e.g. of Yb:KGW and Yb:KYW is rather massive as opposed with that of Yb:YAG. This allows for vast wavelength tunability and for A great deal shorter pulse durations from manner-locked lasers. Values perfectly underneath a hundred fs have been accomplished with passive mode locking.
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Femtosecond laser depending on Yb:KYW crystals with suppression of spectral narrowing in a very regenerative amplifier by spectral profiling of the pulse
The absorption and emission spectra of Yb:KYW Crystals Show sturdy peaks at 980 nm and 1030 nm, respectively, guaranteeing successful Electrical power conversion and large overall performance in laser units.
By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW because of the identical dimensions of those chemical things approximately one hundred% of Yb-doping might be attained. This special attribute permits ytterbium to go ahead and take position of yttrium with just about no disruption to the crystal’s lattice.
The monoclinic crystal buildings ends in a pure birefringence, helping to steer clear of thermally induced polarization rotation and depolarization loss.
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Spatial construction from the beam and also the corresponding intensity profiles I within the output of your laser.
For tungstates, the ytterbium doping concentration can be extremely large without the need of considerable quenching as the changed ions have an extremely very similar ion radius, and also the inter-ion distance is fairly significant.
... Don't just the position of crystal within the cavity but additionally the amplification axis of crystal impacts the laser operation tremendously, because the absorption and emission cross sections in the crystal are really distinct according to the orientation from the crystal.
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This tandem of characteristics has far-reaching implications, significantly in the construction of compact still powerfull lasers.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison to its counterpart Yb:KGW, is often a extraordinary product that performs a vital position in laser technological innovation. Its Principal perform would be to generate ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
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