The gain bandwidth e.g. of Yb:KGW and Yb:KYW is rather large compared with that of Yb:YAG. This permits for large wavelength tunability and for Significantly shorter pulse durations from mode-locked lasers. Values effectively under a hundred fs are actually obtained with passive method locking.
The comparison with Eyeglasses is suitable Because the big achieve bandwidth allows e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
time. Crystals with the compound melts congruently at 1007 oC, even so soften crystallization of top quality crystal is unachievable on account of section changeover at ~920 oC. The very best seeded Alternative method from
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By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW because of the comparable dimensions of those chemical factors nearly one hundred% of Yb-doping may be reached. This exclusive attribute permits ytterbium to take the place of yttrium with almost no disruption to the crystal’s lattice.
Adhesion Check Compliant with MIL-C-675C navy criteria, an adhesion exam concerned implementing a tape that meets LT-90 technical specs onto the lens film layer. The tape was affixed entirely and after that eliminated vertically. This process was executed thrice, resulting in no blistering or peeling.
Raman, luminescence and transmission spectra reveal optical capabilities owing on the existence of thulium ions, and thus the resources may be even more analyzed in the scope of laser and luminescence purposes.
Tungstates are inclined to have significant Raman coefficients (�?Raman scattering). Thus, they're able to produce sizeable Raman attain at average optical intensities. It is achievable to utilize the laser crystal itself for a Raman converter.
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By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW due to the comparable dimensions of these chemical factors up to a hundred% of Yb-doping can be accomplished.
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Request RP Photonics for just about any tips concerning tungstate lasers, which include femtosecond lasers and high-electrical power lasers.