Rumored Buzz on KYW Crystal
Rumored Buzz on KYW Crystal
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The comparison with glasses is appropriate Considering that the massive attain bandwidth allows e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
Femtosecond laser depending on Yb:KYW crystals with suppression of spectral narrowing inside a regenerative amplifier by spectral profiling of the heart beat
FIG. 4. Autocorrelation perform of the pulse 共a兲and spectrum 共b兲of the laser with an oblong active ingredient for an output electric power of 700 mW. The width of
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW as a result of identical sizes of those chemical features around a hundred% of Yb-doping may very well be attained. This distinctive attribute permits ytterbium to go ahead and take position of yttrium with almost no disruption to your crystal’s lattice.
Immediately after air drying and subsequent cleansing using a cotton cloth soaked in Alcoholic beverages, the film area showed no indications of peeling or scratches.
Raman, luminescence and transmission spectra reveal optical characteristics owing into the presence of thulium ions, and therefore the elements can be further studied within the scope of laser and luminescence programs.
Tungstates have a tendency to acquire substantial Raman coefficients (�?Raman scattering). Therefore, they're able to deliver substantial Raman achieve at reasonable optical intensities. It is achievable to make use of the laser crystal by itself for a Raman converter.
... at fifty percent-height were being produced inside a learn oscillator with selfsynchronization in the axial modes, described inside our earlier short article. 21 The new version with the laser, as opposed to that explained in our previously posting, employed an Yb:KYW crystal having an N pcut (optical axis N p in the index ellipsoid was parallel into the propagation path with the laser radiation), Along with the polarization of the generated radiation directed click here alongside the N m axis.
By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW due to equivalent dimensions of these chemical things around a hundred% of Yb-doping could possibly be obtained.
Although ytterbium-doped laser acquire media generally show a small quantum defect, ytterbium-doped tungstates allow for particularly smaller values. By way of example, a 1030-nm Yb:YAG laser would Typically be pumped all-around 940 nm, While Yb:KGW or Yb:KYW might be most competently pumped close to 981 nm.
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