A Simple Key For KYW Crystal Unveiled
A Simple Key For KYW Crystal Unveiled
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This unique attribute of ultrafast pulses enables nonlinear optical conversation with tissue at reduced In general publicity, and drives applications which include deep-tissue multiphoton microscopy and substantial-precision eye surgical treatment
Femtosecond laser dependant on Yb:KYW crystals with suppression of spectral narrowing in the regenerative amplifier by spectral profiling of the heart beat
FIG. 4. Autocorrelation operate of the heartbeat 共a兲and spectrum 共b兲of a laser with an oblong Lively ingredient for an output electricity of seven hundred mW. The width of
By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW due to the similar sizes of such chemical features approximately a hundred% of Yb-doping could be obtained. This one of a kind attribute permits ytterbium to take the place of yttrium with just about no disruption to your crystal’s lattice.
The monoclinic crystal structures results in a natural birefringence, helping to avoid thermally induced polarization rotation and depolarization decline.
PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and so are utilised as lasing supplies to deliver ultrashort (~ 100-200 fs) superior electric power pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes running at 981 nm supports compact laser devices.
5 mm apart from the middle of your beam caustic. To be able to check the manner matching simulation, we carried out the experiment with Ng-Reduce crystal oscillator, which was formulated Formerly and in a same ailment with simulation [eleven]. As shown in Determine 3(b) with purple dots and line, the CW output electricity is highly depending on the place of laser crystal and the experimental consequence coincides effectively with simulation final result. Being a note, multimode Procedure transpired in experiment when the dimensions of the pump beam is much larger than TEM00 cavity mode and it brings about higher CW output electricity in the displacement area underneath three.5 mm.
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By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW due to the related sizes of such chemical aspects around a hundred% of Yb-doping may be accomplished.
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Li2WO4-WO3 flux was efficiently utilized lessening The expansion temperature below 900 oC. In accordance with solitary read more crystal x-ray measurements, the crystal corresponds to the P2/n Area group.
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