KYW Crystal - An Overview
KYW Crystal - An Overview
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, compared to its counterpart Yb:KGW, is usually a remarkable materials that plays an essential part in laser technological innovation. Its Key purpose will be to make ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
Femtosecond laser determined by Yb:KYW crystals with suppression of spectral narrowing in the regenerative amplifier by spectral profiling of the pulse
FIG. 4. Autocorrelation purpose of the pulse 共a兲and spectrum 共b兲of the laser with an oblong active element for an output electrical power of 700 mW. The width of
By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW mainly because of the comparable sizes of these chemical aspects as many as a hundred% of Yb-doping could be accomplished. This one of a kind attribute permits ytterbium to go ahead and take area of yttrium with just about no disruption to your crystal’s lattice.
The monoclinic crystal structures brings about a purely natural birefringence, assisting to keep away from 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.
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On the other hand, as soon as Nd3+:YAG grew to become commercially out there, the interest in CaWO4 dropped sharply. In later a long time, selected other tungstate crystals began to attract plenty of consideration.
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This tandem of characteristics has much-achieving implications, particularly in the construction of compact still powerfull lasers.
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