Considerations To Know About KYW Crystal

Considerations To Know About KYW Crystal

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We existing a dual-crystal Yb:KGW laserthat iscapable to operate to be a Q-switched oscillator with output electric power approximately 24 W and pulse size of twenty ns,or being a regenerative amplifier with output power nearly 21 W and pulse duration below two hundred fs immediately after compression of chirped pulses. Both of those lasers have fantastic beam excellent with beam parameter M2

FIG. four. Autocorrelation perform of the heartbeat 共a兲and spectrum 共b兲of the laser with a rectangular Lively element for an output electric power of 700 mW. The width of

This paper describes a femtosecond laser regenerative amplifier dependant on two Yb:KYW crystals with immediate longitudinal pumping by strong linear arrays of semiconductor injection lasers obtaining fiber output. To stop spectral narrowing throughout amplification and the corresponding lengthening of your amplified pulse when it can be compressed, a combination of two Yb:KYW crystals were applied, With all the spectral maxima of the amplification shifted relative to one another and with spectral profiling on the amplified radiation.

Following air drying and subsequent cleansing with a cotton cloth soaked in Alcoholic beverages, the film surface area confirmed no indications of peeling or scratches.

PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and therefore are used as lasing products to crank out ultrashort (~ one hundred-two hundred fs) superior electric power pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes functioning at 981 nm supports compact laser programs.

5 mm in addition to the middle in the beam caustic. So as to Look at the manner 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 three(b) with red dots and line, the CW output ability is highly depending on the placement of laser crystal and also the experimental final result coincides very well with simulation outcome. To be a Be aware, multimode Procedure happened in experiment once the dimensions with the pump beam is bigger than TEM00 cavity method and it results in greater CW output electricity during the displacement region beneath 3.5 mm.

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By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW as a result of comparable dimensions of those chemical components up to one hundred% of Yb-doping may be accomplished.

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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) as compared to its counterpart Yb:KGW, is a remarkable product that performs a vital position in laser technological innovation. Its Main functionality is usually to produce ultrashort pulses of sunshine, spanning just a few hundred femtoseconds.

Ask RP Photonics for almost any suggestions about tungstate lasers, like femtosecond lasers and high-electric power lasers.