New Step by Step Map For KYW Crystal
New Step by Step Map For KYW Crystal
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This special characteristic of ultrafast pulses enables nonlinear optical conversation with tissue at reduced All round publicity, and drives apps for example deep-tissue multiphoton microscopy and significant-precision eye surgical procedure
The Yb:KYW crystal’s proficiency in gentle absorption at all over 981 nm helps make the crystal well suited for diode pumping. It truly is even further Increased by its impressive efficiency in this process, coupled with its low quantum defect.
FIG. 4. Autocorrelation perform of the pulse 共a兲and spectrum 共b兲of a laser with a rectangular Energetic aspect for an output electricity of seven hundred mW. The width of
Ultrafast lasers, with pulse widths of some picoseconds (ten−twelve s) or much less, permit some time resolution demanded in laser-enthusiastic fluorescence lifetime spectroscopy and imaging approaches.What's more, they provide substantial pulse peak powers at significant repetition prices and moderate average output powers.
In advance of the event of Nd:YAG, Nd3+:CaWO4 was a very important exceptional-earth-doped laser acquire medium. It absolutely was actually Utilized in the first continually functioning crystal laser.
FIG. one. Optical format of a laser with direct pumping Along with the radiation of semiconductor injection lasers. LD is undoubtedly an IPG Photonics laser diode with fiber output
Tungstates tend to own superior Raman coefficients (�?Raman scattering). Therefore, they're able to make important Raman get at reasonable optical intensities. It is achievable to make use of the laser crystal by itself like a Raman converter.
... at 50 %-peak have been produced in a grasp oscillator with selfsynchronization with the axial modes, explained within our before post. 21 The new edition on the laser, not like that explained in our earlier article, utilised an Yb:KYW crystal using an N pcut (optical axis N p of your index ellipsoid was parallel for the propagation way from the laser radiation), While using the polarization from the produced radiation directed alongside the N m axis.
By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW a result of the equivalent dimensions of those chemical factors up to a hundred% of Yb-doping could be obtained.
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Request RP Photonics for any assistance regarding tungstate lasers, together with femtosecond lasers and significant-power lasers.