A Simple Key For KYW Crystal Unveiled
A Simple Key For KYW Crystal Unveiled
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, as compared to its counterpart Yb:KGW, can be a extraordinary material that plays a crucial purpose in laser technology. Its Main perform would be to produce ultrashort pulses of light, spanning just some hundred femtoseconds.
The Yb:KYW crystal’s proficiency in light-weight absorption at close to 981 nm will make the crystal well suited for diode pumping. It truly is further more enhanced by its amazing performance in this process, coupled with its minimal quantum defect.
The absorption and emission spectra of Yb:KYW Crystals Exhibit sturdy peaks at 980 nm and 1030 nm, respectively, making certain effective Power conversion and superior overall performance in laser units.
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW mainly because of the comparable measurements of such chemical elements around one hundred% of Yb-doping may very well be achieved. This distinctive characteristic permits ytterbium to take the spot of yttrium with almost no disruption to your crystal’s lattice.
After air drying and subsequent cleansing using a cotton cloth soaked in Liquor, the film surface area confirmed no signs of peeling or scratches.
Raman, luminescence and transmission spectra expose optical options owing to the presence of thulium ions, and for that reason the materials could possibly be even more analyzed during the scope of laser and luminescence purposes.
five mm apart from the middle of your beam caustic. So that you can check the manner matching simulation, we done the experiment with Ng-Minimize crystal oscillator, which was developed Earlier and in a exact affliction with simulation [11]. As revealed in Figure three(b) with red dots and line, the CW output power is extremely depending on the placement of laser crystal as well as the experimental final result coincides effectively with simulation result. Like a Take note, multimode operation transpired in experiment if the size with the pump beam is greater than TEM00 cavity method and it results in larger CW output electric power in the displacement region under 3.5 mm.
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By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW a result of the very similar dimensions of such chemical factors nearly a hundred% of Yb-doping can be attained.
The thermal conductivity of typical double tungstates is from the buy to three–4 W/(K m) �?which is not poor when compared with other laser crystals (Even though many moments under for YAG), and rather large as opposed Using the thermal conductivity of normal Eyeglasses.
Li2WO4-WO3 flux was effectively utilized lessening the growth temperature beneath 900 oC. In accordance with one crystal x-ray measurements, the crystal corresponds into the P2/n Area group.
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