A Simple Key For KYW Crystal Unveiled
A Simple Key For KYW Crystal Unveiled
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We current a dual-crystal Yb:KGW laserthat iscapable to work like a Q-switched oscillator with output energy up to 24 W and pulse duration of 20 ns,or as being a regenerative amplifier with output energy up to 21 W and pulse length below 200 fs after compression of chirped pulses. The two lasers have exceptional beam top quality with beam parameter M2
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By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW due to identical measurements of those chemical things up to 100% of Yb-doping may be obtained. This unique characteristic permits ytterbium to go ahead and take position of yttrium with nearly no disruption for the crystal’s lattice.
Following air drying and subsequent cleansing with a cotton fabric soaked in Liquor, the film floor showed no indications of peeling or scratches.
Raman, luminescence and transmission spectra reveal optical options owing to your existence of thulium ions, and thus the elements could be additional researched inside the scope of laser and luminescence programs.
Spatial composition with the beam and the corresponding intensity profiles I with the output of your laser.
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Nonetheless, at the time Nd3+:YAG became commercially obtainable, the fascination in CaWO4 dropped sharply. In afterwards years, particular other tungstate crystals started to attract plenty of consideration.
Although ytterbium-doped laser get media frequently show a little quantum defect, ytterbium-doped tungstates allow for for particularly little values. As an example, a 1030-nm Yb:YAG laser would Generally be pumped all around 940 nm, whereas Yb:KGW or Yb:KYW could possibly be most effectively pumped around 981 nm.
This tandem of attributes has significantly-achieving implications, especially in the construction of compact nonetheless powerfull lasers.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, can be a impressive content that plays a crucial part in laser technological innovation. Its Principal click here operate is always to generate ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
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