Considerations To Know About KYW Crystal
Considerations To Know About KYW Crystal
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared to its counterpart Yb:KGW, is actually a outstanding content that plays a very important role in laser technologies. Its Key purpose should be to crank out ultrashort pulses of sunshine, spanning just some hundred femtoseconds.
The Yb:KYW crystal’s proficiency in light-weight absorption at around 981 nm makes the crystal well matched for diode pumping. It can be even further Increased by its exceptional performance in this process, coupled with its small quantum defect.
The absorption and emission spectra of Yb:KYW Crystals Screen powerful peaks at 980 nm and 1030 nm, respectively, making certain productive Electricity conversion and higher functionality in laser methods.
By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW mainly because of the related sizes of such chemical aspects nearly a hundred% of Yb-doping may very well be attained. This one of a kind attribute permits ytterbium to take the location of yttrium with virtually no disruption for the crystal’s lattice.
The monoclinic crystal buildings results in a pure birefringence, helping to stay away from thermally induced polarization rotation and depolarization reduction.
FIG. 1. Optical structure of the laser with direct pumping Using the radiation of semiconductor injection lasers. LD is an IPG Photonics laser diode with fiber output
Spatial framework of the beam plus the corresponding intensity profiles I with the output of your laser.
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... Not just the posture of crystal from the cavity but also the amplification axis of crystal has an effect on the laser Procedure considerably, since the absorption and emission cross sections with the crystal are rather unique in accordance with the orientation of your crystal.
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