Rumored Buzz on KYW Crystal
Rumored Buzz on KYW Crystal
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We existing a dual-crystal Yb:KGW laserthat iscapable to function as being a Q-switched oscillator with output electrical power as much as 24 W and pulse size of 20 ns,or like a regenerative amplifier with output power as many as 21 W and pulse length below 200 fs immediately after compression of chirped pulses. Equally lasers have exceptional beam high quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals display sturdy peaks at 980 nm and 1030 nm, respectively, ensuring economical Vitality conversion and superior functionality in laser units.
By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW as a result of related sizes of such chemical things as many as 100% of Yb-doping may be obtained. This special attribute permits ytterbium to go ahead and take spot of yttrium with practically no disruption to the crystal’s lattice.
Just after air drying and subsequent cleaning using a cotton cloth soaked in alcohol, the movie surface area showed no signs of peeling or scratches.
Raman, luminescence and transmission spectra reveal optical capabilities owing to the presence of thulium ions, and as a consequence the resources may be further more examined within the scope of laser and luminescence programs.
Tungstates tend to own superior Raman coefficients (�?Raman scattering). Consequently, they will generate substantial Raman achieve at moderate optical intensities. It is feasible to click here make use of the laser crystal by itself being a Raman converter.
... at 50 percent-peak ended up produced inside a master oscillator with selfsynchronization from the axial modes, described inside our before posting. 21 The new edition on the laser, not like that described inside our earlier article, utilized an Yb:KYW crystal with an N pcut (optical axis N p of your index ellipsoid was parallel to your propagation route in the laser radiation), with the polarization with the generated radiation directed alongside the N m axis.
Large-electricity repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical programs
When ytterbium-doped laser acquire media normally show a little quantum defect, ytterbium-doped tungstates enable for particularly small values. As an example, a 1030-nm Yb:YAG laser would Commonly be pumped all-around 940 nm, whereas Yb:KGW or Yb:KYW may be most successfully pumped about 981 nm.
Li2WO4-WO3 flux was efficiently utilized reducing The expansion temperature underneath 900 oC. In line with one crystal x-ray measurements, the crystal corresponds into the P2/n Area group.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) as compared to its counterpart Yb:KGW, is often a outstanding materials that performs a very important part in laser engineering. Its Main purpose is always to deliver ultrashort pulses of sunshine, spanning just a few hundred femtoseconds.
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