The Single Best Strategy To Use For KYW Crystal
The Single Best Strategy To Use For KYW Crystal
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The comparison with glasses is suitable For the reason that huge acquire bandwidth enables e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
The Yb:KYW crystal’s proficiency in light-weight absorption at about 981 nm can make the crystal compatible for diode pumping. It is actually further enhanced by its exceptional effectiveness in this process, coupled with its reduced quantum defect.
FIG. 4. Autocorrelation operate of the heart beat 共a兲and spectrum 共b兲of a laser with an oblong active element for an output electric power of 700 mW. The width of
By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW mainly because of the similar sizes of these chemical components nearly a hundred% of Yb-doping could be achieved. This exceptional attribute permits ytterbium to go ahead and take location of yttrium with nearly no disruption for the crystal’s lattice.
The monoclinic crystal constructions results in a all-natural birefringence, assisting to stay clear of thermally induced polarization rotation and depolarization reduction.
Raman, luminescence and transmission spectra expose optical attributes owing for the presence of thulium ions, and so the elements can be more researched within the scope of laser and luminescence applications.
A higher brightnessQ-switched oscillator and regenerative amplifier depending on a dual-crystal Yb:KGW laser
For tungstates, the ytterbium doping concentration can be quite higher without major quenching as the replaced ions website have an incredibly identical ion radius, as well as the inter-ion distance is fairly substantial.
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW mainly because of the very similar sizes of such chemical aspects around a hundred% of Yb-doping may very well be attained.
The thermal conductivity of typical double tungstates is with the purchase to 3–four W/(K m) �?which is not lousy when compared with other laser crystals (Though quite a few moments lower than for YAG), and rather big when compared Using the thermal conductivity of regular Eyeglasses.
Li2WO4-WO3 flux was productively used decreasing The expansion temperature down below 900 oC. In accordance with solitary crystal x-ray measurements, the crystal corresponds to your P2/n space group.
The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)2) crystal at area temperature were being calculated. The emission spectrum and lifetime of your 3 F 4 excited point out were established. Employing conventional and modified Judd–Ofelt theories, the depth parameters and the radiative lifetimes had been calculated and excellent arrangement Together with the experimental effects was received for both equally theories.
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