Fascination About KYW Crystal

Fascination About KYW Crystal

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The comparison with glasses is acceptable For the reason that massive attain bandwidth makes it possible for e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.

We current a twin-crystal Yb:KGW laserthat iscapable to work as being a Q-switched oscillator with output electric power up to 24 W and pulse length of 20 ns,or being a regenerative amplifier with output electricity up to 21 W and pulse duration underneath 200 fs right after compression of chirped pulses. Equally lasers have great beam good quality with beam parameter M2

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By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW due to the related sizes of such chemical features nearly 100% of Yb-doping may very well be realized. This unique characteristic permits ytterbium to go ahead and take place of yttrium with nearly no disruption to your crystal’s lattice.

The monoclinic crystal constructions results in a pure birefringence, helping to avoid thermally induced polarization rotation and depolarization reduction.

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five mm besides the center on the beam caustic. In an effort to Check out the mode matching simulation, we carried out the experiment with Ng-Reduce crystal oscillator, which was designed Beforehand As well as in a similar problem with simulation [eleven]. As shown in Determine 3(b) with pink dots and line, the CW output electricity is extremely depending on the place of laser crystal along with the experimental consequence coincides nicely with simulation outcome. As a note, multimode operation occurred in experiment when the dimension on the pump beam is bigger than TEM00 cavity method and it leads to better CW output electrical power from the displacement area below three.five mm.

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Large-electrical power repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical apps

Whilst ytterbium-doped laser attain media normally show a little quantum defect, ytterbium-doped tungstates permit for significantly little values. As an example, a 1030-nm Yb:YAG laser would Ordinarily be pumped around 940 nm, whereas Yb:KGW or Yb:KYW could possibly be most competently pumped around 981 nm.

This tandem of attributes has far-achieving implications, notably in the construction of compact nonetheless powerfull lasers.

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