Considerations To Know About KYW Crystal
Considerations To Know About KYW Crystal
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This special attribute of ultrafast pulses permits nonlinear optical interaction with tissue at very low General exposure, and drives apps such as deep-tissue multiphoton microscopy and large-precision eye surgical procedures
The Yb:KYW crystal’s proficiency in mild absorption at all over 981 nm makes the crystal like minded for diode pumping. It truly is further more Increased by its outstanding efficiency in this process, coupled with its minimal quantum defect.
The absorption and emission spectra of Yb:KYW Crystals Screen sturdy peaks at 980 nm and 1030 nm, respectively, making certain successful Power conversion and substantial performance in laser programs.
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW due to the equivalent dimensions of such chemical elements as much as 100% of Yb-doping may very well be obtained. This unique attribute permits ytterbium to go ahead and take position of yttrium with just about no disruption into the crystal’s lattice.
After air drying and subsequent cleaning which has a cotton fabric soaked in Alcoholic beverages, the film floor confirmed no signs of peeling or scratches.
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Spatial structure with the beam along with the corresponding depth profiles I for the output from the laser.
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... Don't just the position of crystal in the cavity but in addition the amplification axis of crystal affects the laser operation drastically, as the absorption and emission cross sections of your crystal are pretty unique based on the orientation in the crystal.
Whilst ytterbium-doped laser obtain media typically exhibit a small quantum defect, ytterbium-doped tungstates enable for notably tiny values. By way of example, a 1030-nm Yb:YAG laser would Generally be pumped all around 940 nm, whereas Yb:KGW or Yb:KYW might be most efficiently pumped all-around 981 nm.
Li2WO4-WO3 flux was successfully applied minimizing The expansion temperature down below 900 oC. Based on solitary crystal x-ray measurements, the crystal corresponds on the P2/n Place team.
The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)two) crystal at room temperature had been measured. The emission spectrum and life time with the three File four psyched point out were determined. Utilizing conventional and modified Judd–Ofelt theories, the depth parameters and the radiative lifetimes were being calculated and good settlement with the experimental results was attained for both of those theories.
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