KYW Crystal Secrets
KYW Crystal Secrets
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, as compared to its counterpart Yb:KGW, is often a amazing materials that performs a vital purpose in laser technologies. Its primary perform is always to generate ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
time. Crystals of the compound melts congruently at 1007 oC, having said that melt crystallization of high quality crystal is difficult on account of phase changeover at ~920 oC. The top seeded Option approach from
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Ultrafast lasers, with pulse widths of some picoseconds (10−twelve s) or less, help some time resolution expected in laser-energized fluorescence life time spectroscopy and imaging methods.Moreover, they produce substantial pulse peak powers at large repetition rates and reasonable typical output powers.
Prior to the event of Nd:YAG, Nd3+:CaWO4 was a vital rare-earth-doped laser achieve medium. It absolutely was actually Utilized in the main constantly working crystal laser.
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five mm aside from the middle from the beam caustic. In order to Test the manner matching simulation, we executed the experiment with Ng-Lower crystal oscillator, which was created Formerly As well as in a same ailment with simulation [11]. As shown in Figure 3(b) with pink dots and line, the CW output ability is very dependent on the place of laser crystal and the experimental outcome coincides perfectly with simulation end result. Like a Observe, multimode Procedure happened in experiment in the event the sizing of the pump beam is greater than TEM00 cavity method and it results in higher CW output power within the displacement region beneath 3.5 mm.
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On the other hand, once Nd3+:YAG turned commercially accessible, the fascination in CaWO4 dropped sharply. In later on decades, particular other tungstate crystals started to appeal to many notice.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) compared to its counterpart Yb:KGW, is really a remarkable material that performs a significant position in laser know-how. Its Principal operate would be to deliver ultrashort pulses of sunshine, spanning just a few hundred femtoseconds.
Talk to RP Photonics for almost any guidance about tungstate lasers, which includes femtosecond lasers and high-electric power lasers.