KYW Crystal Secrets
KYW Crystal Secrets
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Femtosecond laser depending on Yb:KYW crystals with suppression of spectral narrowing in a very regenerative amplifier by spectral profiling of the heart beat
The absorption and emission spectra of Yb:KYW Crystals Show solid peaks at 980 nm and 1030 nm, respectively, making sure successful Strength conversion and higher performance in laser systems.
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW due to equivalent sizes of such chemical components as many as one hundred% of Yb-doping could possibly be attained. This exceptional attribute permits ytterbium to take the location of yttrium with almost no disruption towards the crystal’s lattice.
The monoclinic crystal structures brings about a natural birefringence, helping to stay away from thermally induced polarization rotation and depolarization loss.
Raman, luminescence and transmission spectra reveal optical characteristics owing on the existence of thulium ions, and for that reason the products may be even more analyzed inside the scope of laser and luminescence apps.
A higher brightnessQ-switched oscillator and regenerative amplifier determined by a dual-crystal Yb:KGW laser
... at fifty percent-height ended up created in a very learn oscillator with selfsynchronization in the axial modes, explained in our before write-up. 21 The new edition with the laser, not like that explained inside our previously article, used an Yb:KYW crystal having an N pcut (optical axis N p of your index ellipsoid was parallel towards the propagation course of your laser radiation), While using the polarization on the created radiation directed along the N m axis.
Large-power repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical purposes
The thermal conductivity of typical double tungstates is with the order to 3–four W/(K m) �?which isn't lousy in contrast with other laser crystals (Whilst various instances lower than for YAG), and relatively huge in contrast With all the thermal conductivity of normal Eyeglasses.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, is actually a exceptional materials that performs a very important purpose in laser know-how. Its Principal operate would be to generate ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
Concurrently, a shorter laser wavelength is usually obtained; it is feasible to function that has a quantum defect well underneath one%. As being a consequence, the heat era may be so tiny this partly more info compensates the decrease thermal conductivity.