New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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The Yb:KYW crystal’s proficiency in mild absorption at all over 981 nm makes the crystal like minded for diode pumping. It truly is further more Increased by its outstanding effectiveness in this process, coupled with its lower quantum defect.
FIG. four. Autocorrelation perform of the pulse 共a兲and spectrum 共b兲of the laser with an oblong Lively factor for an output power of seven hundred mW. The width of
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW due to identical sizes of such chemical elements as much as 100% of Yb-doping could possibly be reached. This exceptional characteristic permits ytterbium to take the location of yttrium with nearly no disruption towards the crystal’s lattice.
In advance of the development of Nd:YAG, Nd3+:CaWO4 was an important exceptional-earth-doped laser acquire medium. It had been in actual fact used in the initial repeatedly functioning crystal laser.
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Tungstates have a tendency to possess superior Raman coefficients (�?Raman scattering). Thus, they can produce considerable Raman obtain at average optical intensities. It is feasible to utilize the laser crystal by itself for a Raman converter.
... at 50 %-peak were produced inside a grasp oscillator with selfsynchronization from the axial modes, explained within our before short article. 21 The new version on the laser, unlike that described within our before post, applied an Yb:KYW crystal with an N pcut (optical axis N p in the index ellipsoid was parallel to your propagation direction in the laser radiation), Along with the polarization with the created radiation directed along the N m axis.
By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW mainly because of the related sizes of such chemical factors as much as a hundred% of Yb-doping might be realized.
The thermal conductivity of frequent double tungstates is of your order to 3–4 W/(K m) �?which isn't lousy in contrast with other laser crystals (While several times below for YAG), and quite huge as opposed with the thermal conductivity of common glasses.
Li2WO4-WO3 flux was productively used reducing the growth temperature beneath 900 oC. As outlined by one crystal x-ray measurements, the crystal corresponds into the P2/n space group.
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