Considerations To Know About KYW Crystal
Considerations To Know About KYW Crystal
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The acquire bandwidth e.g. of Yb:KGW and Yb:KYW is incredibly huge in comparison with that of Yb:YAG. This enables for vast wavelength tunability and for Considerably shorter pulse durations from mode-locked lasers. Values nicely beneath a hundred fs have been obtained with passive method locking.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared to its counterpart Yb:KGW, is really a impressive product that plays a significant role in laser technological innovation. Its Most important functionality is to create ultrashort pulses of light, spanning just a couple hundred femtoseconds.
time. Crystals from the compound melts congruently at 1007 oC, having said that soften crystallization of top of the range crystal is impossible as a result of phase transition at ~920 oC. The best seeded Answer approach from
FIG. 4. Autocorrelation purpose of the pulse 共a兲and spectrum 共b兲of the laser with an oblong Lively aspect for an output electric power of seven-hundred mW. The width of
By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW because of the equivalent dimensions of these chemical features around a hundred% of Yb-doping could be obtained. This exceptional characteristic permits ytterbium to go ahead and take spot of yttrium with practically no disruption towards the crystal’s lattice.
Soon after air drying and subsequent cleaning having a cotton cloth soaked in Alcoholic beverages, the film floor confirmed no indications of peeling or scratches.
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Tungstates are inclined to acquire substantial Raman coefficients (�?Raman scattering). Hence, they are able to create major Raman gain at moderate optical intensities. It is possible to use the laser crystal itself like a Raman converter.
For tungstates, the ytterbium doping concentration can be extremely significant with no important quenching as the changed ions have a really related ion radius, as well as the inter-ion distance is pretty huge.
By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW a result of the very similar dimensions of those chemical aspects approximately one hundred% of Yb-doping might be accomplished.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared to its counterpart Yb:KGW, is usually a amazing substance that plays a crucial part in laser engineering. Its Main function should be to crank out ultrashort pulses of light, spanning just a few hundred femtoseconds.
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