The smart Trick of KYW Crystal That No One is Discussing
The smart Trick of KYW Crystal That No One is Discussing
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The Yb:KYW crystal’s proficiency in gentle absorption at close to 981 nm makes the crystal well matched for diode pumping. It is actually even further Improved by its remarkable efficiency in this method, coupled with its low quantum defect.
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By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW a result of the identical sizes of those chemical factors around 100% of Yb-doping might be achieved. This one of a kind attribute permits ytterbium to take the area of yttrium with nearly no disruption into the crystal’s lattice.
Soon after air drying and subsequent cleansing using a cotton cloth soaked in Liquor, the film area confirmed no indications of peeling or scratches.
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Spatial composition on the beam and the corresponding depth profiles I at the output in the laser.
... at 50 %-height had been produced inside of a learn oscillator with selfsynchronization of your axial modes, described inside our before post. 21 The new edition of your laser, contrary to that described inside our before article, employed an Yb:KYW crystal with the N pcut (optical axis N p in the index ellipsoid was parallel for the propagation route with the laser radiation), Together with the polarization in the produced radiation directed alongside the N m axis.
... Not simply the posture of crystal while KYW Crystal in the cavity but will also the amplification axis of crystal affects the laser Procedure drastically, since the absorption and emission cross sections of the crystal are really unique according to the orientation in the crystal.
Even though ytterbium-doped laser acquire media typically exhibit a small quantum defect, ytterbium-doped tungstates enable for especially little values. For instance, a 1030-nm Yb:YAG laser would normally be pumped all over 940 nm, While Yb:KGW or Yb:KYW may very well be most proficiently pumped around 981 nm.
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