KYW Crystal Things To Know Before You Buy
KYW Crystal Things To Know Before You Buy
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We present a dual-crystal Yb:KGW laserthat iscapable to operate like a Q-switched oscillator with output electric power nearly 24 W and pulse duration of twenty ns,or for a regenerative amplifier with output electric power as many as 21 W and pulse length under 200 fs following compression of chirped pulses. Both lasers have excellent beam high-quality with beam parameter M2
FIG. 4. Autocorrelation function of the heartbeat 共a兲and spectrum 共b兲of the laser with a rectangular Energetic element for an output electricity of seven-hundred mW. The width of
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW due to the equivalent measurements of those chemical aspects as many as a hundred% of Yb-doping can be reached. This exceptional attribute permits ytterbium to go ahead and take put of yttrium with pretty much no disruption into the crystal’s lattice.
In advance of the development of Nd:YAG, Nd3+:CaWO4 was a very important exceptional-earth-doped laser gain medium. It had been in reality Employed in the very first continually running crystal laser.
Raman, luminescence and transmission spectra reveal optical characteristics owing on the presence of thulium ions, and therefore the products might be additional examined from the scope of laser and luminescence programs.
5 mm besides the center of your beam caustic. In an effort to check the method matching simulation, we performed the experiment with Ng-Slice crystal oscillator, which was created Beforehand and in a very same condition with simulation [eleven]. As shown in Figure 3(b) with purple dots and line, the CW output energy is extremely depending read more on the position of laser crystal as well as the experimental consequence coincides well with simulation outcome. For a note, multimode operation occurred in experiment once the measurement with the pump beam is larger sized than TEM00 cavity manner and it causes higher CW output electrical power while in the displacement area beneath 3.five mm.
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Higher-ability repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical purposes
While ytterbium-doped laser gain media normally exhibit a small quantum defect, ytterbium-doped tungstates let for notably smaller values. One example is, a 1030-nm Yb:YAG laser would Commonly be pumped all over 940 nm, While Yb:KGW or Yb:KYW may be most effectively pumped about 981 nm.
This tandem of attributes has considerably-reaching implications, specifically in the development of compact yet powerfull lasers.
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Simultaneously, a shorter laser wavelength may be attained; it is achievable to operate which has a quantum defect properly below 1%. To be a consequence, the heat technology may be so compact that this partly compensates the decreased thermal conductivity.