KYW Crystal Secrets
KYW Crystal Secrets
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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW is very large as opposed with that of Yb:YAG. This permits for wide wavelength tunability and for A great deal shorter pulse durations from manner-locked lasers. Values properly down below one hundred fs are already achieved with passive manner locking.
The comparison with Eyeglasses is acceptable Considering that the big achieve bandwidth lets e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
We existing a dual-crystal Yb:KGW laserthat iscapable to function for a Q-switched oscillator with output electricity as much as 24 W and pulse length of 20 ns,or being a regenerative amplifier with output electricity nearly 21 W and pulse length below two hundred fs immediately after compression of chirped pulses. The two lasers have excellent beam high quality with beam parameter M2
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By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW mainly because of the very similar measurements of these chemical components nearly a hundred% of Yb-doping might be reached. This distinctive characteristic permits ytterbium to go ahead and take put of yttrium with almost no disruption into the crystal’s lattice.
Before the development of Nd:YAG, Nd3+:CaWO4 was an important rare-earth-doped laser gain medium. It absolutely was in fact Utilized in the very first consistently functioning crystal laser.
Raman, luminescence and transmission spectra expose optical characteristics owing to the presence of thulium ions, and for that reason the resources may be further more examined inside the scope of laser and luminescence apps.
Spatial composition of your beam as well as corresponding depth profiles I for the output of your laser.
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Superior-electric power repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical applications
The thermal conductivity of prevalent double tungstates is of the order to 3–four W/(K m) �?which is not bad compared with other laser crystals (although many times fewer than for YAG), and rather substantial more info when compared Along with the thermal conductivity of typical glasses.
Li2WO4-WO3 flux was productively applied minimizing The expansion temperature beneath 900 oC. According to single crystal x-ray measurements, the crystal corresponds on the P2/n House group.
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