The Ultimate Guide To KYW Crystal
The Ultimate Guide To KYW Crystal
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison with its counterpart Yb:KGW, is really a outstanding content that performs a very important function in laser technological innovation. Its Main functionality should be to crank out ultrashort pulses of sunshine, spanning just some hundred femtoseconds.
We existing a twin-crystal Yb:KGW laserthat iscapable to operate as being a Q-switched oscillator with output electrical power as many as 24 W and pulse duration of twenty ns,or for a regenerative amplifier with output ability approximately 21 W and pulse duration beneath two hundred fs immediately after compression of chirped pulses. Both lasers have superb beam high quality with beam parameter M2
FIG. four. Autocorrelation operate of the heartbeat 共a兲and spectrum 共b兲of the laser with an oblong active component for an output electricity of seven hundred mW. The width of
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW due to related measurements of these chemical features nearly one hundred% of Yb-doping might be achieved. This one of a kind attribute permits ytterbium to take the put of yttrium with almost no disruption for the crystal’s lattice.
Right after air drying and subsequent cleansing having a cotton cloth soaked in Alcoholic beverages, the movie area showed no signs of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and so are applied as lasing products to produce ultrashort (~ a hundred-two hundred fs) substantial electricity pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes running at 981 nm supports compact laser devices.
Spatial construction in the beam along with the corresponding intensity profiles I on the output in the laser.
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By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW as a result of identical dimensions of these chemical factors as many as 100% of Yb-doping can be attained.
Whilst ytterbium-doped laser get media frequently exhibit a small quantum defect, ytterbium-doped tungstates let for especially compact values. For example, a 1030-nm Yb:YAG laser would Ordinarily be pumped around 940 nm, whereas website Yb:KGW or Yb:KYW could be most efficiently pumped all around 981 nm.
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