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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared to its counterpart Yb:KGW, is really a amazing content that plays an essential position in laser technology. Its Most important functionality will be to generate ultrashort pulses of light, spanning only a few hundred femtoseconds.

We present a dual-crystal Yb:KGW laserthat iscapable to operate as being a Q-switched oscillator with output power nearly 24 W and pulse duration of twenty ns,or being a regenerative amplifier with output electricity nearly 21 W and pulse duration beneath 200 fs soon after compression of chirped pulses. Both of those lasers have superb beam top quality with beam parameter M2

FIG. 4. Autocorrelation function of the pulse 共a兲and spectrum 共b兲of the laser with a rectangular Energetic factor for an output electric power of 700 mW. The width of

By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW mainly because of the identical sizes of those chemical factors up to a hundred% of Yb-doping could possibly be attained. This special attribute permits ytterbium to go ahead and take area of yttrium with practically no disruption on the crystal’s lattice.

Before the development of Nd:YAG, Nd3+:CaWO4 was a very important uncommon-earth-doped laser attain medium. It absolutely was in fact Utilized in the very first constantly running crystal laser.

Raman, luminescence and transmission spectra expose optical characteristics owing on the presence of thulium ions, and as a consequence the read more supplies might be additional examined within the scope of laser and luminescence applications.

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

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Significant-electric power repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical programs

The thermal conductivity of frequent double tungstates is in the get to 3–four W/(K m) �?which isn't lousy in comparison with other laser crystals (although a number of situations lower than for YAG), and fairly large as opposed Together with the thermal conductivity of usual Eyeglasses.

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At the same time, a shorter laser wavelength is often obtained; it is feasible to work that has a quantum defect perfectly underneath one%. As being a consequence, the warmth era can be so tiny that this partly compensates the decrease thermal conductivity.