The Ultimate Guide To KYW Crystal
The Ultimate Guide To KYW Crystal
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In simple conditions, the Yb:KYW crystal has found its specialized niche in higher-electrical power laser programs because of its ability to generate high Vitality ultrashort laser pulses when protecting a compact measurement. The interaction of its characteristics �?seamless ytterbium substitution, sturdy absorption characteristics, ultrashort pulse technology and performance in Power conversion �?positions the Yb:KYW crystal as being a cornerstone in the laser technologies, covering various fields starting from scientific investigation to industrial programs.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared to its counterpart Yb:KGW, is often a impressive content that performs a crucial function in laser technological know-how. Its primary function is to generate ultrashort pulses of sunshine, spanning just some hundred femtoseconds.
We current a dual-crystal Yb:KGW laserthat iscapable to function being a Q-switched oscillator with output power as much as 24 W and pulse length of 20 ns,or as a regenerative amplifier with output power up to 21 W and pulse period down below two hundred fs soon after compression of chirped pulses. Each lasers have superb beam high quality with beam parameter M2
FIG. four. Autocorrelation perform of the heart beat 共a兲and spectrum 共b兲of the laser with a rectangular Energetic element for an output ability of seven hundred mW. The width of
Ultrafast lasers, with pulse widths of some picoseconds (ten−12 s) or less, permit enough time resolution necessary in laser-fired up fluorescence life time spectroscopy and imaging methods.Furthermore, they produce significant pulse peak powers at substantial repetition charges and average normal output powers.
The monoclinic crystal structures brings about a purely natural birefringence, assisting to keep away from thermally induced polarization rotation and depolarization loss.
Raman, luminescence and transmission spectra expose optical options owing to the presence of thulium ions, and so the products could be additional researched within the scope of laser and luminescence applications.
A large brightnessQ-switched oscillator and regenerative amplifier depending on a dual-crystal Yb:KGW laser
For tungstates, the ytterbium doping focus can be very higher with no sizeable quenching because the replaced ions have an extremely related ion radius, plus the inter-ion length is pretty large.
On the other hand, as soon as Nd3+:YAG grew to become commercially readily available, the interest in CaWO4 dropped sharply. In later several years, selected other tungstate crystals began to attract plenty of consideration.
Whilst ytterbium-doped laser obtain media normally show a little quantum defect, ytterbium-doped tungstates let for specially smaller values. Such as, a 1030-nm Yb:YAG laser would Ordinarily be pumped all-around 940 nm, Whilst Yb:KGW or Yb:KYW may very well be most successfully pumped all around 981 nm.
Li2WO4-WO3 flux was efficiently utilized lessening the growth temperature beneath 900 oC. As outlined website by one crystal x-ray measurements, the crystal corresponds to the P2/n Area group.
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