The Definitive Guide to KYW Crystal

The Definitive Guide to KYW Crystal

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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared with its counterpart Yb:KGW, is often a exceptional materials that performs a crucial job in laser technological know-how. Its Key perform would be to make ultrashort pulses of light, spanning just some hundred femtoseconds.

Femtosecond laser according to Yb:KYW crystals with suppression of spectral narrowing in the regenerative amplifier by spectral profiling of the pulse

FIG. four. Autocorrelation function of the heartbeat 共a兲and spectrum 共b兲of the laser with a rectangular active aspect for an output electricity 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 effective linear arrays of semiconductor injection lasers possessing fiber output. To prevent spectral narrowing through amplification and the corresponding lengthening on the amplified pulse when it is compressed, a mix of two Yb:KYW crystals were utilised, with the spectral maxima with the amplification shifted relative to each other and with spectral profiling on the amplified radiation.

Just after air drying and subsequent cleaning that has a cotton fabric soaked in alcohol, the movie area showed no signs of peeling or scratches.

PDF Yb:KGW more info and Yb:KYW crystals have wide emission bandwidths and they are made use of as lasing materials to generate ultrashort (~ a hundred-two hundred fs) superior ability pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes running at 981 nm supports compact laser programs.

Spatial structure in the beam as well as the corresponding intensity profiles I on the output of the laser.

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Large-ability repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical apps

The thermal conductivity of widespread double tungstates is of the purchase to three–four W/(K m) �?which is not poor when compared with other laser crystals (Despite the fact that several times a lot less than for YAG), and rather huge in contrast Using the thermal conductivity of common Eyeglasses.

This tandem of attributes has considerably-reaching implications, significantly in the construction of compact nevertheless powerfull lasers.

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