KYW Crystal - An Overview
KYW Crystal - An Overview
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We present a dual-crystal Yb:KGW laserthat iscapable to operate to be a Q-switched oscillator with output electric power approximately 24 W and pulse size of 20 ns,or like a regenerative amplifier with output ability as much as 21 W and pulse period underneath two hundred fs right after compression of chirped pulses. Both lasers have superb beam good quality with beam parameter M2
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By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW a result of the identical dimensions of such chemical components around one hundred% of Yb-doping may be realized. This one of a kind attribute permits ytterbium to go ahead and take place of yttrium with virtually no disruption towards the crystal’s lattice.
Just after air drying and subsequent cleansing by using a cotton cloth soaked in Liquor, the movie surface area confirmed no indications of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and therefore are utilized as lasing supplies to generate ultrashort (~ a hundred-200 fs) high ability pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes operating at 981 nm supports compact laser here units.
Tungstates are inclined to obtain higher Raman coefficients (�?Raman scattering). As a result, they will deliver significant Raman acquire at moderate optical intensities. It is possible to use the laser crystal by itself for a Raman converter.
... at 50 percent-height were generated inside of a learn oscillator with selfsynchronization with the axial modes, explained within our before post. 21 The new version on the laser, compared with that explained in our previously write-up, utilised an Yb:KYW crystal having an N pcut (optical axis N p from the index ellipsoid was parallel towards the propagation route from the laser radiation), with the polarization on the created radiation directed together the N m axis.
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW a result of the equivalent dimensions of such chemical factors up to one hundred% of Yb-doping might be realized.
The thermal conductivity of widespread double tungstates is of the buy to three–4 W/(K m) �?which is not terrible as opposed with other laser crystals (Though quite a few occasions below for YAG), and quite massive as opposed With all the thermal conductivity of normal Eyeglasses.
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