The smart Trick of KYW Crystal That Nobody is Discussing
The smart Trick of KYW Crystal That Nobody is Discussing
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The get bandwidth e.g. of Yb:KGW and Yb:KYW is very substantial in contrast with that of Yb:YAG. This permits for huge wavelength tunability and for Considerably shorter pulse durations from method-locked lasers. Values nicely underneath a hundred fs are obtained with passive manner locking.
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We existing a dual-crystal Yb:KGW laserthat iscapable to function to be a Q-switched oscillator with output ability as much as 24 W and pulse size of twenty ns,or being a regenerative amplifier with output power as many as 21 W and pulse period beneath two hundred fs just after compression of chirped pulses. Each lasers have outstanding beam high-quality with beam parameter M2
Color-coded reflectivity of a Bragg mirror as being a operate of wavelength and angle of your incident beam.
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW due to related measurements of these chemical elements nearly one hundred% of Yb-doping may be attained. This distinctive attribute permits ytterbium to take the location of yttrium with virtually no disruption for the crystal’s lattice.
The monoclinic crystal buildings results in a all-natural birefringence, helping to stay clear of thermally induced polarization rotation and depolarization decline.
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Tungstates have a tendency to acquire superior Raman coefficients (�?Raman scattering). For that reason, they could create significant Raman acquire at average optical intensities. It is feasible to utilize the laser crystal by itself as a Raman converter.
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By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW as a result of identical sizes of those chemical aspects as many as a hundred% of Yb-doping might be attained.
Whilst ytterbium-doped laser acquire media normally exhibit a small quantum defect, ytterbium-doped tungstates make it possible for for especially tiny values. As an example, a 1030-nm Yb:YAG laser would Ordinarily be pumped around 940 nm, whereas Yb:KGW or Yb:KYW can be most efficiently pumped around 981 nm.
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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 lifetime on the 3 File 4 fired up condition had been determined. Applying typical and modified Judd–Ofelt theories, the depth parameters and the radiative lifetimes had been calculated and excellent agreement Along with the experimental benefits was obtained for both of those theories.
Inquire RP Photonics for almost any suggestions about tungstate lasers, including femtosecond lasers and superior-ability lasers.