The 5-Second Trick For KYW Crystal
The 5-Second Trick For KYW Crystal
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared to its counterpart Yb:KGW, is a exceptional materials that performs an important part in laser know-how. Its Principal functionality will be to create ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
We existing a twin-crystal Yb:KGW laserthat iscapable to function being a Q-switched oscillator with output electric power as many as 24 W and pulse duration of twenty ns,or as a regenerative amplifier with output power up to 21 W and pulse period down below two hundred fs just after compression of chirped pulses. The two lasers have superb beam high quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals Exhibit solid peaks at 980 nm and 1030 nm, respectively, making certain effective energy conversion and superior performance in laser units.
By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW due to similar sizes of those chemical elements as many as 100% of Yb-doping can be achieved. This special attribute permits ytterbium to go ahead and take area of yttrium with just about no disruption towards the crystal’s lattice.
Right after air drying and subsequent cleaning having a cotton cloth soaked in Alcoholic beverages, the film floor showed no signs of peeling or scratches.
Raman, luminescence and transmission spectra expose optical characteristics owing into the existence of thulium ions, and as a consequence the supplies may very well be more analyzed in the scope of laser and luminescence apps.
five mm other than the center in the beam caustic. As a way to check the method matching simulation, we carried out the experiment with Ng-Lower crystal oscillator, which was made Formerly As well as in a exact affliction with simulation [11]. As shown in Determine three(b) with red dots and line, the CW output electric power is extremely depending on the place of laser crystal as well as experimental result coincides properly with simulation check here final result. Being a note, multimode operation transpired in experiment in the event the size in the pump beam is much larger than TEM00 cavity manner and it will cause higher CW output electrical power from the displacement location down below three.five mm.
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By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW mainly because of the comparable sizes of those chemical features up to 100% of Yb-doping may very well be accomplished.
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Simultaneously, a shorter laser wavelength may be attained; it is achievable to operate which has a quantum defect nicely down below 1%. To be a consequence, the heat technology might be so small this partly compensates the decreased thermal conductivity.