The Single Best Strategy To Use For KYW Crystal
The Single Best Strategy To Use For KYW Crystal
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The obtain bandwidth e.g. of Yb:KGW and Yb:KYW is quite big compared with that of Yb:YAG. This allows for huge wavelength tunability and for A lot shorter pulse durations from manner-locked lasers. Values nicely below 100 fs happen to be realized with passive mode locking.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison to its counterpart Yb:KGW, is usually a extraordinary substance that performs an essential position in laser technological know-how. Its primary function is always to create ultrashort pulses of light, spanning just some hundred femtoseconds.
time. Crystals with the compound melts congruently at 1007 oC, however soften crystallization of high quality crystal is unattainable on account of phase changeover at ~920 oC. The best seeded Alternative technique from
Color-coded reflectivity of a Bragg mirror as a functionality of wavelength and angle in the incident beam.
This paper describes a femtosecond laser regenerative amplifier dependant on two Yb:KYW crystals with immediate longitudinal pumping by strong linear arrays of semiconductor injection lasers getting fiber output. To stop spectral narrowing all through amplification along with the corresponding lengthening with the amplified pulse when it is actually compressed, a combination of two Yb:KYW crystals had been utilized, Along with the spectral maxima of the amplification shifted relative to one another and with spectral profiling on the amplified radiation.
The monoclinic crystal structures results in a organic birefringence, assisting to steer clear of thermally induced polarization rotation and check here depolarization loss.
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Tungstates are inclined to possess higher Raman coefficients (�?Raman scattering). Thus, they are able to create important Raman gain at reasonable optical intensities. It is possible to use the laser crystal by itself for a Raman converter.
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By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW a result of the identical sizes of these chemical features as many as a hundred% of Yb-doping could possibly be achieved.
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The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)two) crystal at area temperature had been measured. The emission spectrum and life time of your 3 File four energized condition had been established. Making use of standard and modified Judd–Ofelt theories, the depth parameters along with the radiative lifetimes were calculated and superior arrangement While using the experimental success was obtained for both theories.
Check with RP Photonics for almost any suggestions concerning tungstate lasers, including femtosecond lasers and large-energy lasers.