KYW Crystal Options
KYW Crystal Options
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison to its counterpart Yb:KGW, can be a amazing product that performs a very important role in laser technologies. Its Main perform would be to produce ultrashort pulses of sunshine, spanning just some hundred femtoseconds.
The Yb:KYW crystal’s proficiency in mild absorption at all around 981 nm will make the crystal well suited for diode pumping. It really is even more enhanced by its amazing efficiency in this method, coupled with its small quantum defect.
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Ultrafast lasers, with pulse widths of a few picoseconds (ten−12 s) or significantly less, allow time resolution required in laser-energized fluorescence lifetime spectroscopy and imaging techniques.Also, they supply substantial pulse peak powers at substantial repetition charges and average normal output powers.
Right after air drying and subsequent cleansing having a cotton fabric soaked in Alcoholic beverages, the film surface area showed no indications of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and are used as lasing materials to deliver ultrashort (~ 100-two hundred fs) significant electricity pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes working at 981 nm supports compact laser systems.
5 mm aside from the center of your beam caustic. So that you can Look at the method matching simulation, we performed the experiment with Ng-cut crystal oscillator, which was formulated Earlier As well as in a very same problem with simulation [eleven]. As proven in Determine 3(b) with pink dots and line, the CW output electricity is highly depending on the position of laser crystal as well as experimental end result coincides well with simulation end result. As a Notice, multimode Procedure occurred in experiment once the dimensions with the pump beam is larger than TEM00 cavity mode and it will cause higher CW output electrical power from the displacement location down below three.five mm.
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By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW a result of the related sizes of such chemical aspects as much as a hundred% of Yb-doping may be accomplished.
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Simultaneously, a shorter laser wavelength could be obtained; it is achievable to operate with a quantum defect very well beneath one%. Like a consequence, the warmth generation is often so tiny this partly compensates the reduce thermal conductivity.