KYW Crystal - An Overview
KYW Crystal - An Overview
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison with its counterpart Yb:KGW, is often a extraordinary substance that plays a very important purpose in laser technologies. Its Key perform will be to deliver ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
time. Crystals with the compound melts congruently at 1007 oC, nonetheless melt crystallization of high quality crystal is difficult as a result of section transition at ~920 oC. The best seeded Remedy system from
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Optical structure of a laser with direct pumping With all the radiation of semiconductor injection lasers. LD is an IPG Photonics laser diode with fiber output on the radiation, WP is a half-wave plate, CL is really a collimating lens, FL can be a focusing lens, AE is surely an Energetic ingredient produced from an Yb:KYW crystal, DM is often a spherical dichroic mirror, M1-M6 will be the cavity mirrors, OC would be the output mirror, and SAM can be a semiconductor saturable-absorber mirror.
Just after air drying and subsequent cleaning with a cotton cloth soaked in Alcoholic beverages, the film floor showed no signs of peeling or scratches.
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five mm apart from the center of your beam caustic. In an effort to Examine the mode matching simulation, we executed the experiment with Ng-Reduce crystal oscillator, which was made Earlier As well as in a similar problem with simulation [11]. As demonstrated in Determine 3(b) with pink dots and line, the CW output electrical power is extremely dependent on the place of laser crystal and the experimental outcome coincides very well with simulation outcome. Being a note, multimode operation transpired in experiment in the event the size of the pump beam is much larger than TEM00 cavity manner and it causes larger CW output electric power while in the displacement location under 3.5 mm.
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Having said that, as soon as Nd3+:YAG became commercially readily available, the interest in CaWO4 dropped sharply. In later years, sure other tungstate crystals started to entice many interest.
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