KYW Crystal - An Overview

KYW Crystal - An Overview

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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, compared to its counterpart Yb:KGW, is actually a impressive material that plays a significant position in laser know-how. Its Major operate is to create ultrashort pulses of sunshine, spanning just some hundred femtoseconds.

Femtosecond laser dependant on Yb:KYW crystals with suppression of spectral narrowing in a regenerative amplifier by spectral profiling of the pulse

The absorption and emission spectra of Yb:KYW Crystals Screen powerful peaks at 980 nm and 1030 nm, respectively, making certain economical Electricity conversion and significant functionality in laser units.

This paper describes a femtosecond laser regenerative amplifier dependant on two Yb:KYW crystals with immediate longitudinal pumping by highly effective linear arrays of semiconductor injection lasers possessing fiber output. To avoid spectral narrowing during amplification plus the corresponding lengthening in the amplified pulse when it is actually compressed, a combination of two Yb:KYW crystals were being employed, with the spectral maxima on the amplification shifted relative to one another and with spectral profiling in the amplified radiation.

Adhesion Take a look at Compliant with MIL-C-675C military services requirements, an adhesion examination included implementing a tape that satisfies LT-90 specifications onto the lens movie layer. The tape was affixed fully after which taken out vertically. This technique was KYW Crystal executed three times, resulting in no blistering or peeling.

PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and they are used as lasing materials to produce ultrashort (~ 100-200 fs) higher electrical power pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes running at 981 nm supports compact laser programs.

Spatial framework with the beam plus the corresponding depth profiles I for the output with the laser.

For tungstates, the ytterbium doping concentration can be very superior devoid of considerable quenching because the changed ions have an incredibly comparable ion radius, and the inter-ion length is relatively substantial.

By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW due to very similar measurements of such chemical components approximately 100% of Yb-doping could be obtained.

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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) compared to its counterpart Yb:KGW, is often a extraordinary content that plays a significant position in laser technology. Its Key function is always to crank out ultrashort pulses of light, spanning only a few hundred femtoseconds.

At the same time, a shorter laser wavelength could be received; it is feasible to work with a quantum defect well under one%. As being a consequence, the heat technology is often so small that this partly compensates the reduce thermal conductivity.