New Step by Step Map For KYW Crystal

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The comparison with glasses is appropriate Because the huge gain bandwidth will allow e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.

The Yb:KYW crystal’s proficiency in mild absorption at around 981 nm would make the crystal well suited for diode pumping. It can be even further enhanced by its exceptional effectiveness in this process, coupled with its small quantum defect.

The absorption and emission spectra of Yb:KYW Crystals Screen robust peaks at 980 nm and 1030 nm, respectively, guaranteeing economical energy conversion and substantial overall performance in laser methods.

By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW mainly because of the very similar sizes of those chemical elements nearly one hundred% of Yb-doping may be realized. This exceptional attribute permits ytterbium to go ahead and take put of yttrium with virtually no disruption for the crystal’s lattice.

The monoclinic crystal buildings ends in a normal birefringence, helping to keep away from thermally induced polarization rotation and depolarization decline.

PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and so are used as lasing products to create ultrashort (~ a hundred-200 fs) superior electric power pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes operating at 981 nm supports compact laser systems.

Tungstates tend to acquire superior Raman coefficients (�?Raman scattering). Thus, they might deliver significant Raman attain at reasonable optical intensities. It can be done to utilize the laser crystal by itself being a Raman converter.

For tungstates, the ytterbium doping concentration can be very higher without having substantial quenching as the replaced ions have an exceptionally related ion radius, along with the inter-ion distance is comparatively significant.

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

Although ytterbium-doped laser acquire media normally show a little quantum defect, ytterbium-doped tungstates enable for specially modest values. One example is, a 1030-nm Yb:YAG laser would Ordinarily be pumped all around 940 nm, whereas Yb:KGW or Yb:KYW may very well be most competently pumped about 981 nm.

This tandem of attributes has significantly-achieving implications, specifically in the construction of compact nevertheless powerfull lasers.

Yb:KYW crystal (Yb-doped potassium yttrium tungstate) as compared to its counterpart Yb:KGW, is usually a extraordinary product that performs an important job in laser technological know-how. Its Most important purpose will be to make ultrashort pulses of light, spanning just some hundred femtoseconds.

Simultaneously, a shorter laser wavelength here could be obtained; it is achievable to operate with a quantum defect very well below 1%. As a consequence, the heat technology may be so little this partly compensates the reduced thermal conductivity.