How Much You Need To Expect You'll Pay For A Good KYW Crystal
How Much You Need To Expect You'll Pay For A Good KYW Crystal
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, when compared with its counterpart Yb:KGW, is usually a remarkable materials that plays a vital purpose in laser technological know-how. Its Major operate is usually to make ultrashort pulses of light, spanning just a few hundred femtoseconds.
Femtosecond laser dependant on Yb:KYW crystals with suppression of spectral narrowing in a regenerative amplifier by spectral profiling of the pulse
FIG. 4. Autocorrelation functionality of the heartbeat 共a兲and spectrum 共b兲of the laser with an oblong active aspect for an output electrical power of seven-hundred mW. The width of
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW due to similar sizes of such chemical components nearly one hundred% of Yb-doping might be obtained. This unique characteristic permits ytterbium to go ahead and take position of yttrium with virtually no disruption to the crystal’s lattice.
The monoclinic crystal constructions leads to a organic birefringence, helping to avoid thermally induced polarization rotation and depolarization decline.
FIG. one. Optical layout of a laser with immediate pumping Along with the radiation of semiconductor injection lasers. LD is really an IPG Photonics laser diode with fiber output
five mm in addition to the middle in the beam caustic. As a way to Verify the mode matching simulation, we performed the experiment with Ng-Lower crystal oscillator, which was created Earlier As well as in a similar problem with simulation [eleven]. As proven in Determine 3(b) with purple dots and line, the CW output electrical power is very dependent on the posture of laser crystal along with the experimental result coincides properly with simulation result. To be a Take note, multimode operation happened in experiment once the sizing in the pump beam is larger sized than TEM00 cavity mode click here and it will cause greater CW output electricity in the displacement region under three.five mm.
... at half-top had been created within a learn oscillator with selfsynchronization on the axial modes, explained in our before post. 21 The new edition of the laser, not like that described within our previously write-up, made use of 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), Along with the polarization of the generated radiation directed alongside the N m axis.
... Not simply the situation of crystal while in the cavity but additionally the amplification axis of crystal affects the laser Procedure drastically, because the absorption and emission cross sections of your crystal are very distinct in accordance with the orientation on the crystal.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared to its counterpart Yb:KGW, is often a outstanding product that plays an important purpose in laser technological innovation. Its Main functionality is always to deliver ultrashort pulses of light, spanning just some hundred femtoseconds.
Talk to RP Photonics for almost any advice regarding tungstate lasers, together with femtosecond lasers and large-ability lasers.