KYW Crystal No Further a Mystery
KYW Crystal No Further a Mystery
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In useful phrases, the Yb:KYW crystal has observed its specialized niche in higher-electrical power laser apps as a consequence of its power to generate superior Electrical power ultrashort laser pulses when keeping a compact measurement. The interplay of its options �?seamless ytterbium substitution, strong absorption properties, ultrashort pulse era and efficiency in Electricity conversion �?positions the Yb:KYW crystal like a cornerstone in the laser technological know-how, covering numerous fields starting from scientific investigation to industrial applications.
The comparison with glasses is suitable For the reason that substantial attain bandwidth allows e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
The Yb:KYW crystal’s proficiency in gentle absorption at about 981 nm will make the crystal well matched for diode pumping. It's further more enhanced by its remarkable efficiency in this process, coupled with its reduced quantum defect.
FIG. four. Autocorrelation function of the heartbeat 共a兲and spectrum 共b兲of the laser with an oblong Lively component for an output electrical power of seven-hundred mW. The width of
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW mainly because of the similar sizes of these chemical components as much as 100% of Yb-doping may be realized. This unique characteristic permits ytterbium to go ahead and take area of yttrium with virtually no disruption for the crystal’s lattice.
The monoclinic crystal structures brings about a organic birefringence, helping to keep away from thermally induced polarization rotation and depolarization loss.
PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and are made use of as lasing elements to make ultrashort (~ 100-two hundred fs) large energy pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes working at 981 nm supports compact laser devices.
five mm besides the middle on the beam caustic. So that you can Test the method matching simulation, we performed the experiment with Ng-cut crystal oscillator, which was made Earlier and in a exact issue with simulation [11]. As demonstrated in Figure 3(b) with red dots and line, the CW output electric power is highly depending on the position of laser crystal as well as experimental final result coincides properly with simulation result. Like a Take note, multimode operation happened in experiment when the dimensions of the pump beam is much larger than TEM00 cavity manner and it triggers bigger CW output energy from the displacement location beneath 3.5 mm.
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By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW because of the similar dimensions of these chemical elements as many as 100% of Yb-doping can be reached.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared with its counterpart Yb:KGW, is really a outstanding material that performs a significant position in laser know-how. Its Major function should be to crank out ultrashort pulses of light, spanning just some hundred femtoseconds.
Request RP Photonics for almost any suggestions about tungstate lasers, like click here femtosecond lasers and higher-ability lasers.