New Step by Step Map For KYW Crystal

New Step by Step Map For KYW Crystal

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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, compared to its counterpart Yb:KGW, is actually a impressive substance that performs a very important role in laser technologies. Its Main function would be to create ultrashort pulses of light, spanning just a few hundred femtoseconds.

Femtosecond laser depending on Yb:KYW crystals with suppression of spectral narrowing in a very regenerative amplifier by spectral profiling of the heart beat

FIG. four. Autocorrelation function of the heart beat 共a兲and spectrum 共b兲of a laser with a rectangular Energetic ingredient for an output energy of 700 mW. The width of

Optical layout of the laser with direct pumping Using the radiation of semiconductor injection lasers. LD can be an IPG Photonics laser diode with fiber output with the radiation, WP is a fifty percent-wave plate, CL is usually a collimating lens, FL is actually a focusing lens, AE is an active component constructed from an Yb:KYW crystal, DM is usually a spherical dichroic mirror, M1-M6 would be the cavity mirrors, OC may be the output mirror, and SAM is actually a semiconductor saturable-absorber mirror.

Ahead of the event of Nd:YAG, Nd3+:CaWO4 was a very important exceptional-earth-doped laser gain medium. It had been in actual fact used in the main constantly running crystal laser.

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Spatial composition with the beam and also the corresponding depth profiles I at the output with the laser.

For tungstates, the ytterbium doping concentration can be very significant devoid of major quenching as the replaced ions have an exceedingly related ion radius, plus the inter-ion length is comparatively large.

By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW because of the similar dimensions of those chemical components up to one hundred% of Yb-doping could possibly be accomplished.

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