KYW Crystal - An Overview

KYW Crystal - An Overview

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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW is very significant as opposed with that of Yb:YAG. This enables for extensive wavelength tunability and for Substantially shorter pulse durations from manner-locked lasers. Values very well under 100 fs have been achieved with passive mode locking.

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Femtosecond laser determined by Yb:KYW crystals with suppression of spectral narrowing in the regenerative amplifier by spectral profiling of the heartbeat

FIG. four. Autocorrelation function of the heartbeat 共a兲and spectrum 共b兲of the laser with a rectangular Energetic ingredient for an output electrical power of seven-hundred mW. The width of

By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW mainly because of the similar sizes of those chemical things up to one hundred% of Yb-doping might be attained. This exceptional attribute permits ytterbium to take the spot of yttrium with nearly no disruption into the crystal’s lattice.

The monoclinic crystal constructions leads to a normal birefringence, assisting to keep away from thermally induced polarization rotation and depolarization decline.

Raman, luminescence and transmission spectra reveal optical options owing on the presence of thulium ions, and for that reason the components could be even further studied from the scope of laser and luminescence programs.

A superior brightnessQ-switched oscillator and regenerative amplifier determined by a twin-crystal Yb:KGW laser

... at 50 %-top were being generated within a master oscillator with selfsynchronization of the axial modes, explained inside our before article. 21 The new version on the laser, in contrast to that more info described inside our before write-up, applied an Yb:KYW crystal with an N pcut (optical axis N p from the index ellipsoid was parallel into the propagation way of the laser radiation), With all the polarization with the created radiation directed together the N m axis.

Higher-electrical power repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical apps

Though ytterbium-doped laser get media typically show a small quantum defect, ytterbium-doped tungstates make it possible for for especially smaller values. For instance, a 1030-nm Yb:YAG laser would Commonly be pumped around 940 nm, While Yb:KGW or Yb:KYW can be most effectively pumped all over 981 nm.

Li2WO4-WO3 flux was productively utilized lessening The expansion temperature underneath 900 oC. In keeping with one crystal x-ray measurements, the crystal corresponds to the P2/n space team.

Yb:KYW crystal (Yb-doped potassium yttrium tungstate) as compared to its counterpart Yb:KGW, is usually a extraordinary product that performs a vital part in laser engineering. Its Main function will be to produce ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.

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