The smart Trick of KYW Crystal That No One is Discussing
The smart Trick of KYW Crystal That No One is Discussing
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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW is quite huge compared with that of Yb:YAG. This permits for vast wavelength tunability and for Substantially shorter pulse durations from method-locked lasers. Values effectively below a hundred fs are actually obtained with passive manner locking.
The comparison with Eyeglasses is appropriate since the huge attain bandwidth allows e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
We existing a dual-crystal Yb:KGW laserthat iscapable to function being a Q-switched oscillator with output power approximately 24 W and pulse size of twenty ns,or to be a regenerative amplifier with output power up to 21 W and pulse period below two hundred fs soon after compression of chirped pulses. Both of those lasers have exceptional beam top quality with beam parameter M2
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By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW due to identical sizes of such chemical elements nearly a hundred% of Yb-doping could possibly be obtained. This unique characteristic permits ytterbium to go ahead and take place of yttrium with just about no disruption into the crystal’s lattice.
Adhesion Exam Compliant with MIL-C-675C armed forces benchmarks, an adhesion test associated applying a tape that satisfies LT-90 requirements on to the lens movie layer. The tape was affixed entirely then taken off vertically. This method was done 3 times, causing no blistering or peeling.
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Spatial structure from the beam and also the corresponding intensity profiles I for the output of your laser.
For tungstates, the ytterbium doping concentration can be extremely high with no significant quenching because the replaced ions have a really comparable ion radius, and also the inter-ion distance is pretty significant.
Substantial-ability repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical purposes
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The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)2) crystal at home temperature have been calculated. The emission spectrum and life time with the 3 File 4 enthusiastic state were determined. Working with standard and modified Judd–Ofelt theories, the depth parameters plus the radiative lifetimes were calculated and good arrangement While using the experimental outcomes was obtained for both equally theories.
Concurrently, a shorter laser wavelength is read more often received; it is achievable to work by using a quantum defect nicely below 1%. To be a consequence, the heat era is usually so tiny that this partly compensates the lower thermal conductivity.