Detailed Notes on KYW Crystal
Detailed Notes on KYW Crystal
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The attain bandwidth e.g. of Yb:KGW and Yb:KYW is quite significant in contrast with that of Yb:YAG. This enables for extensive wavelength tunability and for A great deal shorter pulse durations from method-locked lasers. Values nicely under one hundred fs are actually achieved with passive manner locking.
This distinctive attribute of ultrafast pulses allows nonlinear optical conversation with tissue at reduced Over-all exposure, and drives applications such as deep-tissue multiphoton microscopy and substantial-precision eye medical procedures
Femtosecond laser depending on Yb:KYW crystals with suppression of spectral narrowing inside of a regenerative amplifier by spectral profiling of the pulse
The absorption and emission spectra of Yb:KYW Crystals Display screen strong peaks at 980 nm and 1030 nm, respectively, ensuring efficient Strength conversion and substantial general performance in laser units.
By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW a result of the very similar dimensions of these chemical factors approximately one hundred% of Yb-doping may very well be realized. This one of a kind attribute permits ytterbium to go ahead and take place of yttrium with practically no disruption towards the crystal’s lattice.
The monoclinic crystal buildings results in a all-natural birefringence, helping to stay clear of thermally induced polarization rotation and depolarization decline.
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Tungstates have a tendency to acquire superior Raman coefficients (�?Raman get more info scattering). Therefore, they could produce significant Raman get at moderate optical intensities. It is feasible to use the laser crystal alone as a Raman converter.
... at fifty percent-height have been created in a learn oscillator with selfsynchronization from the axial modes, described in our earlier write-up. 21 The new version of the laser, as opposed to that described in our previously write-up, utilised an Yb:KYW crystal having an N pcut (optical axis N p with the index ellipsoid was parallel to the propagation direction with the laser radiation), While using the polarization of the generated radiation directed alongside the N m axis.
By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW due to the identical measurements of those chemical factors approximately one hundred% of Yb-doping could be reached.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared with its counterpart Yb:KGW, is actually a outstanding material that performs a crucial role in laser technological know-how. Its Principal function should be to make ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
Talk to RP Photonics for almost any advice regarding tungstate lasers, together with femtosecond lasers and large-ability lasers.