Not known Details About KYW Crystal
Not known Details About KYW Crystal
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The comparison with glasses is appropriate since the big gain bandwidth will allow e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
The Yb:KYW crystal’s proficiency in light absorption at all over 981 nm makes the crystal well suited for diode pumping. It truly is even further Increased by its remarkable efficiency in this method, coupled with its lower quantum defect.
FIG. four. Autocorrelation functionality of the heartbeat 共a兲and spectrum 共b兲of the laser with a rectangular Energetic element for an output electrical power of seven hundred mW. The width of
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW because of the equivalent dimensions of such chemical things up to 100% of Yb-doping might be attained. This special characteristic permits ytterbium to take the place of yttrium with practically no disruption to the crystal’s lattice.
The monoclinic crystal structures brings about a purely natural birefringence, assisting to steer clear of thermally induced polarization rotation and depolarization decline.
Raman, luminescence and transmission spectra reveal optical characteristics owing on the existence of thulium ions, and for that reason the elements can be further studied in the scope of laser and luminescence purposes.
A superior brightnessQ-switched oscillator and regenerative amplifier based on a twin-crystal Yb:KGW laser
For tungstates, the ytterbium doping concentration can be quite significant with no sizeable quenching as the replaced ions have an extremely similar ion radius, along with the inter-ion distance is comparatively huge.
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW due to related sizes of such chemical aspects as much as a hundred% of Yb-doping may be accomplished.
The thermal conductivity of common double tungstates is with the purchase to three–4 W/(K m) �?which is not lousy when compared with other laser crystals (Even though a number of times a lot less than for YAG), and pretty massive as opposed With all the thermal conductivity of regular Eyeglasses.
This tandem of attributes has much-reaching implications, notably in the development of compact however powerfull lasers.
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Inquire RP Photonics for virtually any tips concerning tungstate lasers, which include femtosecond lasers and higher-ability click here lasers.