KYW Crystal - An Overview
KYW Crystal - An Overview
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In realistic terms, the Yb:KYW crystal has located its niche in substantial-power laser programs as a result of its power to make large Vitality ultrashort laser pulses whilst protecting a compact sizing. The interaction of its options �?seamless ytterbium substitution, strong absorption properties, ultrashort pulse era and performance in Strength conversion �?positions the Yb:KYW crystal for a cornerstone in the laser technology, masking assorted fields ranging from scientific research to industrial purposes.
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We existing a dual-crystal Yb:KGW laserthat iscapable to work being a Q-switched oscillator with output electricity as many as 24 W and pulse duration of twenty ns,or like a regenerative amplifier with output energy nearly 21 W and pulse length down below two hundred fs right after compression of chirped pulses. Both equally lasers have excellent beam quality with beam parameter M2
The absorption and emission spectra of Yb:KYW Crystals Show robust peaks at 980 nm and 1030 nm, respectively, making certain successful Electricity conversion and large efficiency in laser techniques.
By substituting yttrium with ytterbium within the crystal lattice of Yb:KYW as a result of very similar measurements of those chemical factors up to a hundred% of Yb-doping can be obtained. This unique characteristic permits ytterbium to take the place of yttrium with virtually no disruption into the crystal’s lattice.
Prior to the development of Nd:YAG, Nd3+:CaWO4 was a vital uncommon-earth-doped laser get medium. It was the truth is Employed in the very first repeatedly functioning crystal laser.
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A substantial brightnessQ-switched oscillator and regenerative amplifier based upon a twin-crystal Yb:KGW laser
... at 50 percent-height ended up generated in the grasp oscillator with selfsynchronization of the axial modes, described within our earlier article. 21 The new version in the laser, contrary to that described in our previously posting, employed an Yb:KYW crystal by having an N pcut (optical axis N p of your index ellipsoid was parallel to your propagation path in the laser radiation), With all the polarization of your produced radiation directed along the N m axis.
High-power repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical apps
When ytterbium-doped laser attain media typically show a little quantum defect, ytterbium-doped tungstates let for particularly compact values. By way of example, a 1030-nm Yb:YAG laser would Usually be pumped all over 940 nm, While Yb:KGW or Yb:KYW could possibly be most efficiently pumped all-around 981 nm.
Li2WO4-WO3 flux was correctly used decreasing the growth temperature underneath 900 oC. As outlined by single crystal x-ray measurements, the crystal corresponds towards the P2/n House team.
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