The achieve bandwidth e.g. of Yb:KGW and Yb:KYW is extremely significant when compared with that of Yb:YAG. This allows for large wavelength tunability and for A great deal shorter pulse durations from method-locked lasers. Values well underneath 100 fs are actually reached with passive manner locking.
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We existing a dual-crystal Yb:KGW laserthat iscapable to work for a Q-switched oscillator with output electric power approximately 24 W and pulse size of twenty ns,or for a regenerative amplifier with output power around 21 W and pulse period down below two hundred fs following compression of chirped pulses. Both of those lasers have excellent beam high-quality with beam parameter M2
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Ultrafast lasers, with pulse widths of some picoseconds (10−12 s) or significantly less, permit some time resolution needed in laser-enthusiastic fluorescence life time spectroscopy and imaging approaches.What's more, they produce higher pulse peak powers at significant repetition rates and average average output powers.
Prior to the development of Nd:YAG, Nd3+:CaWO4 was a vital scarce-earth-doped laser achieve medium. It was in fact Employed in the initial continuously running crystal laser.
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A higher brightnessQ-switched oscillator and regenerative amplifier based upon a twin-crystal Yb:KGW laser
... at 50 percent-height ended up produced in a very learn oscillator with selfsynchronization in the axial modes, explained within our previously short article. 21 The new edition with the laser, contrary to that described inside our previously short article, made use of an Yb:KYW crystal with an N pcut (optical axis N p of the index ellipsoid was parallel towards the propagation route on the laser radiation), Together with the polarization from the generated radiation directed along the N m axis.
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW mainly because of the identical measurements of those chemical factors around one hundred% of Yb-doping may be obtained.
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This tandem of attributes has significantly-achieving implications, notably in the construction of compact still powerfull lasers.
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