The smart Trick of KYW Crystal That Nobody is Discussing
The smart Trick of KYW Crystal That Nobody is Discussing
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The Yb:KYW crystal’s proficiency in gentle absorption at all over 981 nm can make the crystal like minded for diode pumping. It really is more Improved by its outstanding efficiency in this process, coupled with its small quantum defect.
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By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW as a result of very similar dimensions of those chemical aspects as much as one hundred% of Yb-doping could be attained. This exclusive attribute permits ytterbium to go ahead and take position of yttrium with virtually no disruption to your crystal’s lattice.
The monoclinic crystal structures results in a organic birefringence, assisting to prevent thermally induced polarization rotation and depolarization decline.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and are utilized as lasing components to create ultrashort (~ one hundred-200 fs) large electricity pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes working at 981 nm supports compact laser techniques.
Tungstates are likely to have higher Raman coefficients (�?Raman scattering). For that reason, they might generate substantial Raman achieve at moderate optical intensities. It is possible to use the laser crystal itself as being a Raman converter.
For tungstates, the ytterbium doping focus can be extremely large without having major quenching since the replaced ions have a very identical ion radius, along with the inter-ion distance is pretty huge.
... Not only the position of crystal within the cavity but additionally the amplification axis of crystal impacts the laser operation significantly, because the absorption and emission cross sections of the crystal are quite different in accordance with the orientation of your crystal.
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This tandem of characteristics has considerably-achieving implications, significantly in the development of compact yet powerfull lasers.
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At the same time, a shorter laser wavelength click here could be received; it can be done to operate having a quantum defect properly below 1%. As being a consequence, the warmth era is often so compact this partly compensates the lower thermal conductivity.