Getting My KYW Crystal To Work

Getting My KYW Crystal To Work

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The gain bandwidth e.g. of Yb:KGW and Yb:KYW is incredibly substantial compared with that of Yb:YAG. This allows for vast wavelength tunability and for Considerably shorter pulse durations from method-locked lasers. Values very well underneath 100 fs are already realized with passive method locking.

This exceptional characteristic of ultrafast pulses enables nonlinear optical conversation with tissue at very low Total exposure, and drives purposes for instance deep-tissue multiphoton microscopy and large-precision eye surgical procedure

Femtosecond laser according to Yb:KYW crystals with suppression of spectral narrowing in a very regenerative amplifier by spectral profiling of the pulse

FIG. 4. Autocorrelation perform of the pulse 共a兲and spectrum 共b兲of the laser with a rectangular Energetic ingredient for an output electrical power of seven hundred mW. The width of

Ultrafast lasers, with pulse widths of a few picoseconds (ten−12 s) or much less, help time resolution required in laser-energized fluorescence lifetime spectroscopy and imaging approaches.Moreover, they produce substantial pulse peak powers at higher repetition premiums and moderate normal output powers.

Before the development of Nd:YAG, Nd3+:CaWO4 was an important exceptional-earth-doped laser attain medium. It was in reality used in the initial consistently functioning crystal laser.

FIG. 1. Optical structure of the laser with immediate pumping Together with the radiation of read more semiconductor injection lasers. LD is surely an IPG Photonics laser diode with fiber output

five mm other than the middle on the beam caustic. So that you can Look at the method matching simulation, we carried out the experiment with Ng-Minimize crystal oscillator, which was produced previously As well as in a similar issue with simulation [11]. As revealed in Figure three(b) with purple dots and line, the CW output electric power is highly depending on the placement of laser crystal and also the experimental final result coincides properly with simulation result. For a Observe, multimode operation transpired in experiment in the event the dimension on the pump beam is larger than TEM00 cavity mode and it brings about higher CW output electrical power from the displacement location below 3.5 mm.

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By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW mainly because of the comparable sizes of those chemical features up to one hundred% of Yb-doping might be attained.

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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison to its counterpart Yb:KGW, is really a exceptional materials that plays an important job in laser technologies. Its primary functionality will be to make ultrashort pulses of sunshine, spanning just some hundred femtoseconds.

Request RP Photonics for just about any assistance regarding tungstate lasers, including femtosecond lasers and substantial-energy lasers.