New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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The obtain bandwidth e.g. of Yb:KGW and Yb:KYW may be very big as opposed with that of Yb:YAG. This allows for vast wavelength tunability and for Substantially shorter pulse durations from manner-locked lasers. Values well below 100 fs have already been attained with passive mode locking.
The comparison with Eyeglasses is suitable since the significant gain bandwidth enables e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
We current a twin-crystal Yb:KGW laserthat iscapable to function being a Q-switched oscillator with output electric power nearly 24 W and pulse duration of twenty ns,or as a regenerative amplifier with output power up to 21 W and pulse period under 200 fs right after compression of chirped pulses. The two lasers have superb beam high quality with beam parameter M2
FIG. 4. Autocorrelation purpose of the pulse 共a兲and spectrum 共b兲of the laser with an oblong active aspect for an output energy of seven-hundred mW. The width of
By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW because of the comparable sizes of these chemical elements as much as a hundred% of Yb-doping can be realized. This exclusive characteristic permits ytterbium to go ahead and take position of yttrium with pretty much no disruption into the crystal’s lattice.
The monoclinic crystal buildings ends in a pure birefringence, helping to stay away from thermally induced polarization rotation and depolarization loss.
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A high brightnessQ-switched oscillator and regenerative amplifier according to a twin-crystal Yb:KGW laser
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Large-electric power repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological more info and biomedical apps
Though ytterbium-doped laser acquire media usually show a small quantum defect, ytterbium-doped tungstates enable for specifically compact values. For example, a 1030-nm Yb:YAG laser would normally be pumped all over 940 nm, While Yb:KGW or Yb:KYW can be most successfully pumped all over 981 nm.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared with its counterpart Yb:KGW, can be a impressive content that plays a crucial function in laser engineering. Its Main function should be to make ultrashort pulses of light, spanning just a couple hundred femtoseconds.
Request RP Photonics for any assistance concerning tungstate lasers, which include femtosecond lasers and large-ability lasers.