The KYW Crystal Diaries
The KYW Crystal Diaries
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This distinctive characteristic of ultrafast pulses enables nonlinear optical interaction with tissue at minimal All round exposure, and drives programs for example deep-tissue multiphoton microscopy and significant-precision eye surgical procedure
time. Crystals with the compound melts congruently at 1007 oC, on the other hand melt crystallization of top quality crystal is unattainable because of stage changeover at ~920 oC. The top seeded Remedy approach from
The absorption and emission spectra of Yb:KYW Crystals Screen sturdy peaks at 980 nm and 1030 nm, respectively, ensuring productive energy conversion and high effectiveness in laser techniques.
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW as a result of identical dimensions of such chemical things around a hundred% of Yb-doping may be accomplished. This one of a kind characteristic permits ytterbium to take the area of yttrium with nearly no disruption on the crystal’s lattice.
The monoclinic crystal structures leads to a all-natural birefringence, helping to stay clear of thermally induced polarization rotation and depolarization reduction.
Raman, luminescence and transmission spectra expose optical functions owing to your presence of thulium ions, and thus the components could possibly be even further studied during the scope of laser and luminescence applications.
5 mm apart from the center of your beam caustic. To be able to check the method matching simulation, we performed the experiment with Ng-Slice crystal oscillator, which was developed Beforehand and in a similar problem with simulation [eleven]. As revealed in Figure three(b) with purple dots and line, the CW output electricity is extremely dependent on the place of laser crystal and the experimental consequence coincides very well with simulation result. As being a note, multimode Procedure transpired in experiment in the event the dimensions in the pump beam is larger sized than TEM00 cavity method and it will cause higher CW output energy within the displacement region below 3.5 mm.
For tungstates, the ytterbium doping focus can be extremely substantial without the need of major quenching because the replaced ions have a very comparable ion radius, click here as well as inter-ion distance is pretty massive.
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW as a result of identical dimensions of such chemical things up to 100% of Yb-doping may be reached.
The thermal conductivity of typical double tungstates is on the order to three–4 W/(K m) �?which is not bad compared with other laser crystals (While numerous times a lot less than for YAG), and pretty massive compared Together with the thermal conductivity of usual glasses.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) as compared to its counterpart Yb:KGW, is usually a outstanding substance that plays a very important purpose in laser know-how. Its Key operate would be to generate ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
Talk to RP Photonics for almost any guidance about tungstate lasers, like femtosecond lasers and higher-ability lasers.