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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison with its counterpart Yb:KGW, is really a impressive material that plays a very important part in laser technology. Its Principal functionality is usually to deliver ultrashort pulses of light, spanning only a few hundred femtoseconds.

We present a twin-crystal Yb:KGW laserthat iscapable to work to be a Q-switched oscillator with output electric power approximately 24 W and pulse length of 20 ns,or as being a regenerative amplifier with output ability as many as 21 W and pulse length beneath 200 fs following compression of chirped pulses. Both lasers have great beam good quality with beam parameter M2

FIG. four. Autocorrelation operate of the heart beat 共a兲and spectrum 共b兲of a laser with an oblong active factor 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 direct longitudinal pumping by impressive linear arrays of semiconductor injection lasers possessing fiber output. To avoid spectral narrowing all through amplification along with the corresponding lengthening in the amplified pulse when it's compressed, a mix of two Yb:KYW crystals were being applied, With all the spectral maxima from the amplification shifted relative to each other and with spectral profiling of your amplified radiation.

Before the development of Nd:YAG, Nd3+:CaWO4 was an important rare-earth-doped laser obtain medium. It had been in fact Utilized in the primary constantly functioning crystal laser.

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

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Large-electric power repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical applications

Although ytterbium-doped laser get media usually show a small quantum defect, ytterbium-doped tungstates let for especially smaller values. For instance, a 1030-nm Yb:YAG laser would Commonly be pumped about 940 nm, While Yb:KGW or Yb:KYW could be most proficiently pumped all-around 981 nm.

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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) compared to its counterpart Yb:KGW, is usually a extraordinary substance that plays an essential role in laser technology. Its Most important purpose is usually to produce ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.

Concurrently, a shorter laser wavelength may be acquired; it is achievable to function which has a quantum defect well beneath 1%. Being a consequence, the warmth era is often so small this partly compensates the lower thermal conductivity.