Helping The others Realize The Advantages Of KYW Crystal

Helping The others Realize The Advantages Of KYW Crystal

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We existing a twin-crystal Yb:KGW laserthat iscapable to function for a Q-switched oscillator with output energy approximately 24 W and pulse length of 20 ns,or being a regenerative amplifier with output electricity nearly 21 W and pulse period underneath two hundred fs soon after compression of chirped pulses. Each lasers have excellent beam quality with beam parameter M2

FIG. four. Autocorrelation functionality of the heart beat 共a兲and spectrum 共b兲of the laser with a rectangular Energetic factor for an output electric power of seven hundred mW. The width of

This paper describes a femtosecond laser regenerative amplifier dependant on two Yb:KYW crystals with immediate longitudinal pumping by impressive linear arrays of semiconductor injection lasers obtaining fiber output. To prevent spectral narrowing all through amplification as well as corresponding lengthening from the amplified pulse when it can be compressed, a combination of two Yb:KYW crystals ended up utilised, Using the spectral maxima on the amplification shifted relative to one another and with spectral profiling from the amplified radiation.

Immediately after air drying and subsequent cleaning by using a cotton fabric soaked in Alcoholic beverages, the film surface confirmed no indications of peeling or scratches.

Raman, luminescence and transmission spectra expose optical capabilities owing on the presence of thulium ions, and therefore the components could be further examined in the scope of laser and luminescence apps.

A substantial brightnessQ-switched oscillator and regenerative amplifier dependant on a dual-crystal Yb:KGW laser

For tungstates, the ytterbium doping focus can be quite superior with no sizeable quenching because the changed ions have an exceptionally very similar ion radius, and also the inter-ion length is relatively substantial.

By substituting yttrium with ytterbium while in the crystal lattice of Yb:KYW due to the identical dimensions of such chemical aspects approximately one hundred% of Yb-doping could possibly be accomplished.

Even though ytterbium-doped laser attain media commonly show a small quantum defect, read more ytterbium-doped tungstates let for significantly small values. For instance, a 1030-nm Yb:YAG laser would normally be pumped all-around 940 nm, Whilst Yb:KGW or Yb:KYW can be most competently pumped all-around 981 nm.

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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, is actually a outstanding material that performs an important position in laser technological innovation. Its Main purpose is usually to produce ultrashort pulses of sunshine, spanning just some hundred femtoseconds.

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