Top KYW Crystal Secrets
Top KYW Crystal Secrets
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The obtain bandwidth e.g. of Yb:KGW and Yb:KYW may be very big in comparison with that of Yb:YAG. This permits for huge wavelength tunability and for much shorter pulse durations from mode-locked lasers. Values effectively underneath a hundred fs have been accomplished with passive mode locking.
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We current a twin-crystal Yb:KGW laserthat iscapable to work for a Q-switched oscillator with output energy nearly 24 W and pulse size of twenty ns,or as a regenerative amplifier with output electrical power as much as 21 W and pulse length down below two hundred fs immediately after compression of chirped pulses. Both lasers have fantastic beam high quality with beam parameter M2
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By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW a result of the identical dimensions of such chemical elements around one hundred% of Yb-doping may very well be obtained. This exceptional attribute permits ytterbium to take the spot of yttrium with almost no disruption on the crystal’s lattice.
After air drying and subsequent cleaning with a cotton cloth soaked in Liquor, the movie surface showed no indications of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and therefore are utilized as lasing products to deliver ultrashort (~ one hundred-200 fs) superior electric power pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes working at 981 nm supports compact laser systems.
five mm in addition to the middle with the beam caustic. So as to Test the method matching simulation, we performed the experiment with Ng-Slice crystal oscillator, which was designed previously As well as in a very same problem with simulation [eleven]. As demonstrated in Figure 3(b) with red dots and line, the CW output electric power is highly depending on the place of laser crystal as well as experimental consequence coincides effectively with simulation final result. Like a Take note, multimode Procedure occurred in experiment if the size in the pump beam is larger sized than TEM00 cavity manner and it triggers bigger CW output energy in the displacement location down below 3.5 mm.
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By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW due to related sizes of such chemical aspects around a hundred% of Yb-doping may very well be attained.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, is actually a exceptional product that performs a vital purpose in laser technological read more know-how. Its Major perform is to crank out ultrashort pulses of light, spanning just some hundred femtoseconds.
Ask RP Photonics for almost any guidance about tungstate lasers, which includes femtosecond lasers and superior-electricity lasers.