The KYW Crystal Diaries

The KYW Crystal Diaries

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The Yb:KYW crystal’s proficiency in light-weight absorption at close to 981 nm can make the crystal well matched for diode pumping. It's further Increased by its amazing efficiency in this process, coupled with its small quantum defect.

FIG. four. Autocorrelation purpose of the heart beat 共a兲and spectrum 共b兲of a laser with a rectangular Lively component for an output power of seven-hundred mW. The width of

This paper describes a femtosecond laser regenerative amplifier depending on two Yb:KYW crystals with immediate longitudinal pumping by highly effective linear arrays of semiconductor injection lasers owning fiber output. To circumvent spectral narrowing in the course of amplification as well as the corresponding lengthening in the amplified pulse when it truly is compressed, a combination of two Yb:KYW crystals ended up utilized, With all the spectral maxima from the amplification shifted relative to each other and with spectral profiling on the amplified radiation.

Prior to the development of Nd:YAG, Nd3+:CaWO4 was a vital exceptional-earth-doped laser obtain medium. It was in fact Utilized in the main consistently running crystal get more info laser.

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Spatial structure from the beam plus the corresponding depth profiles I with the output on the laser.

For tungstates, the ytterbium doping focus can be extremely superior with out important quenching because the changed ions have an exceedingly equivalent ion radius, as well as the inter-ion distance is pretty large.

By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW mainly because of the very similar measurements of those chemical features as much as a hundred% of Yb-doping may very well be achieved.

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Check with RP Photonics for just about any advice about tungstate lasers, which include femtosecond lasers and higher-electrical power lasers.