A Simple Key For KYW Crystal Unveiled
A Simple Key For KYW Crystal Unveiled
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The obtain bandwidth e.g. of Yb:KGW and Yb:KYW is quite significant compared with that of Yb:YAG. This allows for extensive wavelength tunability and for A great deal shorter pulse durations from manner-locked lasers. Values nicely beneath one hundred fs are already realized with passive manner locking.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison with its counterpart Yb:KGW, is often a outstanding materials that performs an essential position in laser know-how. Its Key purpose will be to crank out ultrashort pulses of light, spanning only a few hundred femtoseconds.
time. Crystals of the compound melts congruently at 1007 oC, however soften crystallization of high quality crystal is impossible as a consequence of stage changeover at ~920 oC. The top seeded Option system from
The absorption and emission spectra of Yb:KYW Crystals Display screen strong peaks at 980 nm and 1030 nm, respectively, ensuring efficient Power conversion and large efficiency in laser devices.
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW as a result of very similar sizes of these chemical things nearly 100% of Yb-doping may be accomplished. This special characteristic permits ytterbium to take the area of yttrium with just about no disruption to your crystal’s lattice.
Following air drying and subsequent cleansing having a cotton fabric soaked in alcohol, the movie area showed no signs of peeling or scratches.
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Tungstates have a tendency to own substantial Raman coefficients (�?Raman scattering). Thus, they might generate significant Raman acquire at average optical intensities. It is achievable to use the laser crystal itself as being a Raman converter.
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By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW mainly because of the very similar sizes of such chemical aspects as much as a hundred% of Yb-doping may be accomplished.
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At the same time, a shorter laser wavelength might be obtained; it is achievable to work by using a quantum defect perfectly under 1%. As being a consequence, the warmth era is usually so modest this partly compensates the decreased thermal conductivity.