The smart Trick of KYW Crystal That No One is Discussing
The smart Trick of KYW Crystal That No One is Discussing
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The Yb:KYW crystal’s proficiency in light absorption at around 981 nm helps make the crystal well matched for diode pumping. It truly is even further Improved by its impressive performance in this method, coupled with its reduced quantum defect.
FIG. four. Autocorrelation functionality of the heart beat 共a兲and spectrum 共b兲of the laser with an oblong active component for an output energy of 700 mW. The width of
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW mainly because of the very similar sizes of these chemical things nearly one hundred% of Yb-doping might be realized. This distinctive characteristic permits ytterbium to go ahead and take put of yttrium with nearly no disruption on the crystal’s lattice.
The monoclinic crystal buildings brings about a organic birefringence, assisting to prevent thermally induced polarization rotation and depolarization decline.
Raman, luminescence and transmission spectra reveal optical attributes owing into the existence of thulium ions, and so the materials can be even more studied during the scope of laser and luminescence programs.
A high brightnessQ-switched oscillator and regenerative amplifier dependant on a dual-crystal Yb:KGW laser
... at 50 %-height have been created within a learn oscillator with selfsynchronization of the axial modes, described inside our before write-up. 21 The new edition of your laser, as opposed to that explained inside our earlier write-up, applied an Yb:KYW crystal with an N pcut (optical axis N p in the index ellipsoid was parallel to your propagation way on the laser radiation), While using the polarization from the generated radiation directed along the N m axis.
Substantial-electrical power repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical programs
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This tandem of attributes has far-reaching implications, notably in the construction of compact nonetheless powerfull lasers.
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At the same time, a shorter laser wavelength is usually attained; it is achievable to function using a quantum defect properly beneath one%. As being a consequence, the heat generation could be so smaller that this partly compensates the decreased thermal conductivity.