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The Yb:KYW crystal’s proficiency in mild absorption at close to 981 nm will make the crystal compatible for diode pumping. It's further more Increased by its impressive efficiency in this process, coupled with its reduced quantum defect.

FIG. four. Autocorrelation function of the pulse 共a兲and spectrum 共b兲of a laser with a rectangular active factor for an output electrical power of seven-hundred mW. The width of

By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW because of the related measurements of those chemical elements as much as 100% of Yb-doping could possibly be realized. This unique attribute permits ytterbium to go ahead and take position of yttrium with almost no disruption on the crystal’s lattice.

Adhesion Take a look at Compliant with MIL-C-675C military services requirements, an adhesion examination included making use of a tape that fulfills LT-90 requirements on to the lens movie layer. The tape was affixed fully after which removed vertically. This course of action was executed thrice, leading to no blistering or peeling.

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5 mm in addition to the middle with the beam caustic. So that you can Test the method matching simulation, we performed the experiment with Ng-cut crystal oscillator, which was made Earlier and in a very same problem with simulation [eleven]. As proven in Determine 3(b) with pink dots and line, the CW output electric power is highly depending on the placement of laser crystal and also the experimental final result coincides effectively with simulation result. Being a note, multimode operation happened in experiment when the measurement with the pump beam is larger sized than TEM00 cavity mode and it brings about bigger CW output energy while in the displacement location down below 3.5 mm.

... at half-top ended up created in a learn oscillator with selfsynchronization on the axial modes, described inside our previously write-up. 21 The new edition on the laser, not like that described within our earlier short article, employed an Yb:KYW crystal with an check here N pcut (optical axis N p on the index ellipsoid was parallel towards the propagation route of the laser radiation), Along with the polarization from the created radiation directed along the N m axis.

Significant-electrical power repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical purposes

When ytterbium-doped laser attain media generally exhibit a small quantum defect, ytterbium-doped tungstates permit for specifically tiny values. By way of example, a 1030-nm Yb:YAG laser would normally be pumped around 940 nm, While Yb:KGW or Yb:KYW may be most proficiently pumped close to 981 nm.

This tandem of characteristics has far-achieving implications, specially in the development of compact however powerfull lasers.

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Question RP Photonics for virtually any tips relating to tungstate lasers, such as femtosecond lasers and significant-electric power lasers.