The KYW Crystal Diaries
The KYW Crystal Diaries
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, as compared to its counterpart Yb:KGW, can be a remarkable substance that plays a very important position in laser technology. Its Principal functionality is usually to deliver ultrashort pulses of light, spanning only a few hundred femtoseconds.
Femtosecond laser dependant on Yb:KYW crystals with suppression of spectral narrowing in a regenerative amplifier by spectral profiling of the heartbeat
The absorption and emission spectra of Yb:KYW Crystals Display screen strong peaks at 980 nm and 1030 nm, respectively, making sure successful Power conversion and higher general performance in laser programs.
Ultrafast lasers, with pulse widths of a few picoseconds (10−12 s) or a lot less, help enough time resolution essential in laser-psyched fluorescence life time spectroscopy and imaging procedures.Moreover, they supply higher pulse peak powers at higher repetition premiums and reasonable common output powers.
The monoclinic crystal buildings results in a natural birefringence, helping to steer clear of thermally induced polarization rotation and depolarization loss.
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5 mm besides the center with the beam caustic. As a way to Look at the method matching simulation, we executed the experiment with Ng-Lower crystal oscillator, which was developed Formerly As well as in a identical ailment with simulation [11]. As demonstrated in Figure 3(b) with purple dots and line, the CW output energy is extremely depending on the place of laser crystal plus the experimental outcome coincides properly with simulation result. As being a Be aware, multimode operation transpired in experiment in the event the size from the pump beam click here is more substantial than TEM00 cavity manner and it causes greater CW output electricity from the displacement location down below three.5 mm.
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... Don't just the position of crystal in the cavity but additionally the amplification axis of crystal impacts the laser operation tremendously, as the absorption and emission cross sections of your crystal are rather distinctive in accordance with the orientation with the crystal.
While ytterbium-doped laser get media typically show a small quantum defect, ytterbium-doped tungstates let for especially modest values. For example, a 1030-nm Yb:YAG laser would Generally be pumped around 940 nm, While Yb:KGW or Yb:KYW can be most effectively pumped all over 981 nm.
This tandem of attributes has significantly-achieving implications, specially in the development of compact nonetheless powerfull lasers.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) as compared to its counterpart Yb:KGW, is usually a amazing substance that performs an essential function in laser technological innovation. Its primary function is always to deliver ultrashort pulses of light, spanning just some hundred femtoseconds.
Check with RP Photonics for just about any tips about tungstate lasers, which includes femtosecond lasers and superior-energy lasers.