The 5-Second Trick For KYW Crystal
The 5-Second Trick For KYW Crystal
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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW is very huge when compared with that of Yb:YAG. This permits for vast wavelength tunability and for Substantially shorter pulse durations from manner-locked lasers. Values well underneath a hundred fs happen to be attained with passive method locking.
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time. Crystals on the compound melts congruently at 1007 oC, nonetheless soften crystallization of high quality crystal is extremely hard due to stage changeover at ~920 oC. The best seeded Remedy method from
Shade-coded reflectivity of a Bragg mirror like a perform of wavelength and angle of your incident beam.
This paper describes a femtosecond laser regenerative amplifier depending on two Yb:KYW crystals with immediate longitudinal pumping by powerful linear arrays of semiconductor injection lasers acquiring fiber output. To avoid spectral narrowing during amplification and the corresponding lengthening on the amplified pulse when it is compressed, a combination of two Yb:KYW crystals ended up used, Together with the spectral maxima of your amplification shifted relative to each other and with spectral profiling on the amplified radiation.
Before the development of Nd:YAG, Nd3+:CaWO4 was an important unusual-earth-doped laser get medium. It absolutely was in actual fact Employed in the main consistently running get more info crystal laser.
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Tungstates tend to get substantial Raman coefficients (�?Raman scattering). Thus, they're able to crank out significant Raman gain at average optical intensities. It is possible to make use of the laser crystal itself to be a Raman converter.
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By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW a result of the related sizes of such chemical aspects as much as a hundred% of Yb-doping may very well be attained.
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Li2WO4-WO3 flux was properly applied cutting down The expansion temperature beneath 900 oC. As outlined by one crystal x-ray measurements, the crystal corresponds to the P2/n Area group.
The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)2) crystal at place temperature were measured. The emission spectrum and lifetime on the three File four psyched state had been established. Working with standard and modified Judd–Ofelt theories, the depth parameters and also the radiative lifetimes had been calculated and fantastic settlement with the experimental results was obtained for both theories.
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