New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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The Yb:KYW crystal’s proficiency in mild absorption at all over 981 nm can make the crystal like minded for diode pumping. It is actually further more enhanced by its extraordinary effectiveness in this method, coupled with its reduced quantum defect.
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By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW due to equivalent sizes of these chemical things as much as 100% of Yb-doping may very well be attained. This one of a kind attribute permits ytterbium to take the spot of yttrium with nearly no disruption towards the crystal’s lattice.
The monoclinic crystal constructions leads to a normal birefringence, helping to stay clear of thermally induced polarization rotation and depolarization loss.
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Tungstates are likely to get higher Raman coefficients (�?Raman scattering). Therefore, they might crank out considerable Raman obtain at moderate optical intensities. It is achievable to make use of the laser crystal by itself being a Raman converter.
... at fifty percent-peak have been created within a master oscillator with selfsynchronization on the axial modes, described within our earlier article. 21 The new version in the laser, contrary to that explained in our previously write-up, employed an Yb:KYW crystal with the N pcut (optical axis N p of the index ellipsoid was parallel for the propagation course of your laser radiation), Together with the polarization of your generated radiation directed along the N m axis.
... Not merely the posture of crystal during the cavity but will also the amplification axis of crystal influences the laser operation here drastically, as the absorption and emission cross sections of your crystal are fairly distinct according to the orientation of your crystal.
Whilst ytterbium-doped laser acquire media generally show a small quantum defect, ytterbium-doped tungstates permit for specially little values. One example is, a 1030-nm Yb:YAG laser would normally be pumped all around 940 nm, Whilst Yb:KGW or Yb:KYW might be most effectively pumped around 981 nm.
Li2WO4-WO3 flux was properly utilized decreasing the growth temperature down below 900 oC. As outlined by one crystal x-ray measurements, the crystal corresponds on the P2/n Area team.
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