New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison with its counterpart Yb:KGW, is actually a outstanding material that performs a crucial role in laser technology. Its Most important operate should be to make ultrashort pulses of light, spanning only a few hundred femtoseconds.
We present a twin-crystal Yb:KGW laserthat iscapable to work to be a Q-switched oscillator with output power as much as 24 W and pulse length of twenty ns,or to be a regenerative amplifier with output power up to 21 W and pulse period underneath 200 fs right after compression of chirped pulses. The two lasers have superb beam high quality with beam parameter M2
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By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW as a result of very similar dimensions of such chemical elements up to 100% of Yb-doping might be accomplished. This special characteristic permits ytterbium to take the place of yttrium with practically no disruption towards the crystal’s lattice.
Adhesion Take a look at Compliant with MIL-C-675C military specifications, an adhesion examination involved applying a tape that meets LT-ninety requirements onto the lens film layer. The tape was affixed absolutely and then taken out vertically. This method was done three times, resulting in no blistering or peeling.
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Spatial structure of the beam and the corresponding depth profiles I for the output on the laser.
For tungstates, the ytterbium doping concentration can be extremely higher devoid of considerable quenching since the changed ions have a really very similar ion radius, and the inter-ion distance is comparatively substantial.
Substantial-energy repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical apps
Although ytterbium-doped laser achieve media commonly show a small quantum defect, ytterbium-doped tungstates allow for specifically modest values. One example is, a 1030-nm Yb:YAG laser would Commonly be pumped all over 940 nm, While Yb:KGW or Yb:KYW could possibly be most proficiently pumped about click here 981 nm.
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Ask RP Photonics for almost any guidance about tungstate lasers, which include femtosecond lasers and substantial-power lasers.