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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, as compared to its counterpart Yb:KGW, is often a outstanding materials that plays a crucial position in laser know-how. Its Most important functionality should be to crank out ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.

The Yb:KYW crystal’s proficiency in gentle absorption at around 981 nm makes the crystal like minded for diode pumping. It can be further enhanced by its impressive effectiveness in this method, coupled with its very low quantum defect.

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By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW due to similar sizes of these chemical factors approximately one hundred% of Yb-doping may very well be realized. This one of a kind attribute permits ytterbium to go ahead and take spot of yttrium with just about no disruption to your crystal’s lattice.

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

PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and so are made use of as lasing supplies to generate ultrashort (~ 100-two hundred fs) higher energy pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes operating at 981 nm supports compact laser systems.

5 mm other than the center from the beam caustic. To be able to Verify the manner matching simulation, we done the experiment with Ng-Minimize crystal oscillator, which was designed Formerly As well as in a similar issue with simulation [11]. As demonstrated in Figure three(b) with red dots and line, the CW output ability is extremely depending on the placement of laser crystal and also the experimental final result coincides properly with simulation outcome. For a Be aware, multimode Procedure happened in experiment when the measurement of the pump beam is more substantial than TEM00 cavity manner and it leads to increased CW output ability click here inside the displacement area underneath three.five mm.

For tungstates, the ytterbium doping concentration can be quite superior with no significant quenching because the changed ions have a very equivalent ion radius, as well as inter-ion length is relatively huge.

By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW due to the identical measurements of these chemical elements as many as one hundred% of Yb-doping might be obtained.

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Li2WO4-WO3 flux was effectively utilized cutting down The expansion temperature beneath 900 oC. In line with one crystal x-ray measurements, the crystal corresponds to the P2/n Area group.

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