New Step by Step Map For KYW Crystal

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Femtosecond laser based upon Yb:KYW crystals with suppression of spectral narrowing inside of a regenerative amplifier by spectral profiling of the heart beat

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By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW mainly because of the very similar sizes of these chemical things as much as a hundred% of Yb-doping could possibly be accomplished. This exclusive characteristic permits ytterbium to take the spot of yttrium with just about no disruption into the crystal’s lattice.

Soon after air drying and subsequent cleaning with a cotton fabric soaked in alcohol, the movie floor showed no indications of peeling or scratches.

FIG. 1. Optical layout of the laser with immediate pumping Together with the radiation of semiconductor injection lasers. LD is an IPG Photonics laser diode with fiber output

Tungstates tend to obtain significant Raman coefficients (�?Raman scattering). Thus, they will create considerable Raman gain at reasonable optical intensities. It is possible to utilize the laser crystal by itself as being a Raman converter.

For tungstates, the ytterbium doping focus can be very higher devoid of sizeable quenching because the replaced ions have an extremely equivalent ion radius, as well as the inter-ion distance is pretty huge.

By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW because of the similar dimensions of those chemical things as much as website a hundred% of Yb-doping could be accomplished.

Though ytterbium-doped laser obtain media commonly exhibit a small quantum defect, ytterbium-doped tungstates make it possible for for significantly little values. By way of example, a 1030-nm Yb:YAG laser would Ordinarily be pumped all-around 940 nm, Whilst Yb:KGW or Yb:KYW could be most efficiently pumped about 981 nm.

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At the same time, a shorter laser wavelength might be acquired; it is achievable to function having a quantum defect nicely down below one%. As being a consequence, the warmth generation can be so smaller that this partly compensates the lessen thermal conductivity.