The smart Trick of KYW Crystal That Nobody is Discussing
The smart Trick of KYW Crystal That Nobody is Discussing
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared to its counterpart Yb:KGW, can be a impressive materials that performs a significant position in laser engineering. Its primary purpose is to create ultrashort pulses of sunshine, spanning just some hundred femtoseconds.
The Yb:KYW crystal’s proficiency in light-weight absorption at around 981 nm can make the crystal well matched for diode pumping. It is additional Improved by its impressive performance in this method, coupled with its very low quantum defect.
FIG. 4. Autocorrelation functionality of the pulse 共a兲and spectrum 共b兲of the laser with an oblong active component for an output electricity of 700 mW. The width of
By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW due to the comparable measurements of those chemical aspects as many as a hundred% of Yb-doping can be achieved. This unique attribute permits ytterbium to go ahead and take area of yttrium with just about no disruption into the crystal’s lattice.
The monoclinic crystal structures brings about a pure birefringence, assisting to stay check here away from thermally induced polarization rotation and depolarization loss.
Raman, luminescence and transmission spectra expose optical features owing for the presence of thulium ions, and so the elements can be further studied inside the scope of laser and luminescence programs.
Spatial framework on the beam along with the corresponding intensity profiles I in the output of the laser.
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By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW because of the equivalent dimensions of these chemical features as much as one hundred% of Yb-doping could be reached.
The thermal conductivity of common double tungstates is on the buy to 3–four W/(K m) �?which isn't poor in comparison with other laser crystals (although many situations lower than for YAG), and reasonably significant compared With all the thermal conductivity of normal Eyeglasses.
This tandem of attributes has far-achieving implications, specifically in the construction of compact still powerfull lasers.
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Ask RP Photonics for almost any suggestions about tungstate lasers, like femtosecond lasers and high-electric power lasers.