KYW Crystal - An Overview

KYW Crystal - An Overview

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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW is very huge when compared with that of Yb:YAG. This permits for broad wavelength tunability and for Considerably shorter pulse durations from method-locked lasers. Values perfectly below 100 fs have already been realized with passive manner locking.

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We existing a dual-crystal Yb:KGW laserthat iscapable to work as a Q-switched oscillator with output energy as much as 24 W and pulse length of twenty ns,or to be a regenerative amplifier with output power nearly 21 W and pulse duration below two hundred fs just after compression of chirped pulses. Both of those lasers have fantastic beam excellent with beam parameter M2

Shade-coded reflectivity of the Bragg mirror for a functionality of wavelength and angle of the incident beam.

Ultrafast lasers, with pulse widths of a few picoseconds (ten−12 s) or much less, allow the time resolution demanded in laser-psyched fluorescence life time spectroscopy and imaging strategies.In addition, they deliver significant pulse peak powers at higher repetition fees and reasonable typical output powers.

Immediately after air drying and subsequent cleaning that has a cotton cloth soaked in Liquor, the film surface area showed no indications of peeling or scratches.

PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and so are employed as lasing supplies to generate ultrashort (~ a hundred-200 fs) high ability pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes check here functioning at 981 nm supports compact laser programs.

five mm apart from the middle of the beam caustic. As a way to Look at the method matching simulation, we done the experiment with Ng-Lower crystal oscillator, which was developed Formerly and in a exact problem with simulation [11]. As revealed in Figure three(b) with red dots and line, the CW output electric power is highly depending on the place of laser crystal and the experimental consequence coincides nicely with simulation final result. As being a Observe, multimode Procedure occurred in experiment if the sizing from the pump beam is larger sized than TEM00 cavity mode and it brings about greater CW output electric power in the displacement region beneath 3.five mm.

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By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW as a result of comparable dimensions of those chemical components nearly one hundred% of Yb-doping might be obtained.

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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared to its counterpart Yb:KGW, is often a amazing content that plays an essential function in laser technologies. Its Most important purpose is usually to produce ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.

Inquire RP Photonics for virtually any tips about tungstate lasers, like femtosecond lasers and higher-electric power lasers.