KYW Crystal - An Overview

KYW Crystal - An Overview

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time. Crystals of the compound melts congruently at 1007 oC, nevertheless soften crystallization of top quality crystal is extremely hard on account of period transition at ~920 oC. The best seeded Remedy strategy from

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By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW because of the equivalent measurements of these chemical components up to a hundred% of Yb-doping could possibly be achieved. This exclusive attribute permits ytterbium to take the area of yttrium with almost no disruption to your crystal’s lattice.

Adhesion Examination Compliant with MIL-C-675C army benchmarks, an adhesion take a look at concerned making use of a tape that satisfies LT-ninety specifications onto the lens film layer. The tape was affixed entirely and afterwards taken out vertically. This technique was executed thrice, causing no blistering or peeling.

FIG. 1. Optical structure of the laser with direct pumping With all the radiation of semiconductor injection lasers. LD is surely an IPG Photonics laser diode with fiber output

five mm aside from the middle of the beam caustic. To be able to Test the mode matching simulation, we done the experiment with Ng-Lower crystal oscillator, which was designed previously As well as in a very same ailment with simulation [eleven]. As demonstrated in Figure 3(b) with pink dots and line, the CW output electrical power is extremely depending on the placement of laser crystal plus the experimental consequence coincides well with simulation end result. Like a Be aware, multimode Procedure happened in experiment if the dimensions of the pump beam is more substantial than TEM00 cavity method and it leads to larger CW output ability inside the displacement region beneath 3.five mm.

For tungstates, the ytterbium doping concentration can be extremely substantial without having significant quenching as the replaced ions have an exceptionally equivalent ion radius, as well as inter-ion distance is fairly substantial.

Having said that, after Nd3+:YAG became commercially readily available, click here the interest in CaWO4 dropped sharply. In later on many years, selected other tungstate crystals started to appeal to loads of interest.

Though ytterbium-doped laser obtain media commonly show a small quantum defect, ytterbium-doped tungstates enable for significantly small values. As an example, a 1030-nm Yb:YAG laser would Generally be pumped around 940 nm, whereas Yb:KGW or Yb:KYW might be most competently pumped all-around 981 nm.

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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared with its counterpart Yb:KGW, is often a amazing product that plays a vital position in laser engineering. Its Most important functionality is to produce ultrashort pulses of light, spanning just some hundred femtoseconds.

Inquire RP Photonics for almost any guidance relating to tungstate lasers, such as femtosecond lasers and significant-ability lasers.