5 Easy Facts About KYW Crystal Described
5 Easy Facts About KYW Crystal Described
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The obtain bandwidth e.g. of Yb:KGW and Yb:KYW is quite massive when compared with that of Yb:YAG. This permits for extensive wavelength tunability and for Substantially shorter pulse durations from manner-locked lasers. Values very well underneath one hundred fs have already been attained with passive manner locking.
The comparison with Eyeglasses is suitable Considering that the significant achieve bandwidth allows e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
time. Crystals with the compound melts congruently at 1007 oC, on the other hand melt crystallization of high quality crystal is unattainable resulting from section transition at ~920 oC. The very best seeded Resolution strategy from
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By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW because of the similar dimensions of those chemical components as many as one hundred% of Yb-doping could possibly be achieved. This exceptional characteristic permits ytterbium to go ahead and take area of yttrium with practically no disruption to the crystal’s lattice.
The monoclinic crystal constructions leads to a organic birefringence, assisting to steer clear of thermally induced polarization rotation and depolarization decline.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and are used as lasing elements to deliver ultrashort (~ a hundred-two hundred fs) substantial electricity pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes running at 981 nm supports compact laser techniques.
five mm apart from the middle from the beam caustic. To be able to Examine the manner matching simulation, we carried out the experiment with Ng-Slash crystal oscillator, which was produced Beforehand and in a very same condition with simulation [11]. As revealed in Figure 3(b) with purple dots and line, the CW output ability is very dependent on the placement of laser crystal as well as experimental end result coincides perfectly with simulation outcome. Being a Take note, multimode operation transpired in experiment if the sizing from the pump beam is larger sized than TEM00 cavity method and it will cause higher CW output electrical power from the displacement location below 3.5 mm.
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Significant-energy repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical programs
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, is really a remarkable content that performs a very important part in laser technological innovation. Its Principal operate should be to deliver ultrashort pulses of light, spanning just a couple hundred femtoseconds.
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