The Single Best Strategy To Use For KYW Crystal
The Single Best Strategy To Use For KYW Crystal
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In useful conditions, the Yb:KYW crystal has uncovered its niche in large-power laser programs because of its ability to deliver superior Power ultrashort laser pulses though sustaining a compact size. The interplay of its options �?seamless ytterbium substitution, potent absorption properties, ultrashort pulse technology and efficiency in Vitality conversion �?positions the Yb:KYW crystal as a cornerstone in the laser technological innovation, masking assorted fields starting from scientific research to industrial applications.
This unique attribute of ultrafast pulses permits nonlinear optical interaction with tissue at reduced In general exposure, and drives apps like deep-tissue multiphoton microscopy and higher-precision eye operation
We existing a dual-crystal Yb:KGW laserthat iscapable to function like a Q-switched oscillator with output electricity around 24 W and pulse duration of 20 ns,or as being a regenerative amplifier with output energy up to 21 W and pulse period down below two hundred fs just after compression of chirped pulses. The two lasers have fantastic beam high-quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals Screen powerful peaks at 980 nm and 1030 nm, respectively, making certain effective Vitality conversion and high general performance in laser systems.
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW because of the identical dimensions of these chemical features around a hundred% of Yb-doping might be obtained. This unique attribute permits ytterbium to take the put of yttrium with just about no disruption to your crystal’s lattice.
In advance of the event of Nd:YAG, Nd3+:CaWO4 was a very important unusual-earth-doped laser attain medium. It was actually used in the initial repeatedly functioning crystal laser.
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five mm besides the center of the beam caustic. In order to check the mode matching simulation, we carried out the experiment with Ng-Lower crystal oscillator, which was formulated previously As well as in a very same affliction with simulation [11]. As shown in Figure 3(b) with pink dots and line, the CW output electrical power is very depending on the situation of laser crystal as well as experimental final result coincides well with simulation outcome. For a Observe, multimode Procedure transpired in experiment once the sizing with the pump beam is more substantial than TEM00 cavity manner and it results in better CW output power while in the displacement area under three.5 mm.
... at fifty percent-height were being generated inside of a master oscillator with selfsynchronization of your axial modes, explained in our before posting. 21 The new version on the laser, as opposed to that described inside our earlier write-up, used an Yb:KYW crystal by having an N pcut (optical axis N p from the index ellipsoid was parallel on the propagation way on the laser radiation), Using the polarization on the generated radiation directed along the N m axis.
However, when Nd3+:YAG grew to become commercially readily available, the curiosity in CaWO4 dropped sharply. In later a long time, particular other tungstate crystals started to catch the attention of lots of attention.
Although ytterbium-doped laser acquire media typically exhibit a small quantum defect, ytterbium-doped tungstates enable for notably little values. Such as, a 1030-nm Yb:YAG laser would Usually be pumped all around 940 nm, While Yb:KGW or Yb:KYW can be most proficiently pumped close to 981 nm.
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