Rumored Buzz on KYW Crystal

Rumored Buzz on KYW Crystal

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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared to its counterpart Yb:KGW, is usually a impressive substance that performs a very important part in laser know-how. Its Principal perform should be to deliver ultrashort pulses of light, spanning just a couple hundred femtoseconds.

Femtosecond laser based upon Yb:KYW crystals with suppression of spectral narrowing in a very regenerative amplifier by spectral profiling of the heartbeat

FIG. 4. Autocorrelation operate of the heartbeat 共a兲and spectrum 共b兲of the laser with an oblong Energetic component for an output power of seven-hundred mW. The width of

By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW because of the very similar sizes of those chemical things approximately a hundred% of Yb-doping may be realized. This exclusive attribute permits ytterbium to take the spot of yttrium with almost no disruption for the crystal’s lattice.

After air drying and subsequent cleaning that has a cotton fabric soaked in Alcoholic beverages, the film floor showed no indications of peeling or scratches.

FIG. one. Optical format of the laser with immediate pumping with the radiation of semiconductor injection lasers. LD can be an IPG Photonics laser diode with fiber output

five mm aside from the center in the beam caustic. So that you can check the mode matching simulation, we carried out the experiment with Ng-Lower crystal oscillator, which was made Formerly and in a similar condition with simulation [eleven]. As demonstrated in Figure three(b) with crimson dots and line, the CW output electrical power is highly dependent on the placement of laser crystal plus the experimental result coincides well with simulation outcome. Being a Be aware, multimode Procedure occurred in experiment once the dimension from the pump beam is greater than TEM00 cavity method and it will cause bigger CW output energy during the displacement location below three.5 mm.

For tungstates, the ytterbium doping concentration can be extremely substantial without the need of important quenching because the changed ions have an exceptionally comparable ion radius, along with the inter-ion distance is relatively substantial.

By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW a result of the related sizes of these chemical components nearly a hundred% of Yb-doping might be obtained.

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Talk to RP Photonics for just about any information regarding KYW Crystal tungstate lasers, which include femtosecond lasers and superior-energy lasers.