Top KYW Crystal Secrets
Top KYW Crystal Secrets
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The comparison with Eyeglasses is acceptable Considering that the significant acquire bandwidth makes it possible for e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
The Yb:KYW crystal’s proficiency in light-weight absorption at around 981 nm tends to make the crystal well matched for diode pumping. It is actually additional Improved by its impressive efficiency in this method, coupled with its lower quantum defect.
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By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW due to comparable measurements of such chemical elements as many as one hundred% of Yb-doping can be attained. This one of a kind characteristic permits ytterbium to take the area of yttrium with pretty much no disruption towards the crystal’s lattice.
Right after air drying and subsequent cleaning which has a cotton cloth soaked in Alcoholic beverages, the film surface confirmed no signs of peeling or scratches.
Raman, luminescence and transmission spectra expose optical functions owing into the presence of thulium ions, and so the resources can be more analyzed from the scope of laser and luminescence applications.
5 mm apart from the center from the beam caustic. As a way to Examine the method matching simulation, we performed the experiment with Ng-Lower crystal oscillator, which was formulated Earlier and in a very same situation with simulation [eleven]. As proven in Determine 3(b) with pink dots and line, the CW output electric power is extremely dependent on the posture of laser crystal and the experimental final result coincides very well with simulation end result. As a Take note, multimode operation happened in experiment once the sizing with the pump beam is much larger than TEM00 more info cavity mode and it will cause greater CW output ability while in the displacement location beneath three.five mm.
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By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW due to identical dimensions of these chemical elements as much as 100% of Yb-doping could be obtained.
Whilst ytterbium-doped laser achieve media frequently show a little quantum defect, ytterbium-doped tungstates make it possible for for notably compact values. For instance, a 1030-nm Yb:YAG laser would normally be pumped close to 940 nm, While Yb:KGW or Yb:KYW can be most efficiently pumped around 981 nm.
This tandem of characteristics has much-achieving implications, especially in the development of compact yet powerfull lasers.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared with its counterpart Yb:KGW, is actually a impressive product that performs a crucial part in laser technology. Its Most important perform is to produce ultrashort pulses of light, spanning just a few hundred femtoseconds.
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