The Single Best Strategy To Use For KYW Crystal
The Single Best Strategy To Use For KYW Crystal
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared with its counterpart Yb:KGW, is often a impressive substance that performs a very important role in laser know-how. Its Key function will be to create ultrashort pulses of sunshine, spanning just some hundred femtoseconds.
Femtosecond laser based on Yb:KYW crystals with suppression of spectral narrowing within a regenerative amplifier by spectral profiling of the heartbeat
FIG. 4. Autocorrelation purpose of the pulse 共a兲and spectrum 共b兲of the laser with an oblong Lively ingredient for an output electric power of 700 mW. The width of
By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW as a result of related measurements of those chemical things nearly 100% of Yb-doping might be attained. This special characteristic permits ytterbium to take the location of yttrium with practically no disruption towards the crystal’s lattice.
The monoclinic crystal structures brings about a pure birefringence, assisting to keep away from thermally induced polarization rotation and depolarization loss.
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Tungstates have a tendency to acquire high Raman coefficients (�?Raman scattering). Consequently, they could make major Raman get at average optical intensities. It is possible to use here the laser crystal itself being a Raman converter.
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... Not simply the situation of crystal during the cavity but also the amplification axis of crystal affects the laser Procedure enormously, as the absorption and emission cross sections of your crystal are rather unique based on the orientation on the crystal.
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Li2WO4-WO3 flux was successfully applied cutting down The expansion temperature below 900 oC. In accordance with solitary crystal x-ray measurements, the crystal corresponds to your P2/n House team.
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Simultaneously, a shorter laser wavelength may be attained; it is feasible to work that has a quantum defect effectively down below 1%. To be a consequence, the heat technology could be so compact that this partly compensates the decreased thermal conductivity.