Getting My KYW Crystal To Work
Getting My KYW Crystal To Work
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The obtain bandwidth e.g. of Yb:KGW and Yb:KYW is extremely substantial when compared with that of Yb:YAG. This permits for broad wavelength tunability and for Significantly shorter pulse durations from manner-locked lasers. Values properly down below one hundred fs are already attained with passive mode locking.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, compared to its counterpart Yb:KGW, is really a outstanding content that plays a significant purpose in laser technological innovation. Its Main purpose would be to generate ultrashort pulses of light, spanning just a few hundred femtoseconds.
Femtosecond laser according to Yb:KYW crystals with suppression of spectral narrowing in a regenerative amplifier by spectral profiling of the heartbeat
Coloration-coded reflectivity of the Bragg mirror as being a operate of wavelength and angle of your incident beam.
By substituting yttrium with ytterbium from the crystal lattice of Yb:KYW due to equivalent dimensions of those chemical aspects nearly a hundred% of Yb-doping could be reached. This special characteristic permits ytterbium to take the put of yttrium with virtually no disruption on the crystal’s lattice.
The monoclinic crystal buildings brings about a purely natural birefringence, assisting to steer clear of thermally induced polarization rotation and depolarization loss.
Raman, luminescence and transmission spectra reveal optical features owing to your presence of thulium ions, and as a consequence the resources might be further more analyzed in the scope of laser and luminescence apps.
five mm aside from the middle from the beam caustic. So that you can check the manner matching simulation, we done the experiment with Ng-Minimize crystal oscillator, which was developed Earlier As well as in a exact same ailment with simulation KYW Crystal [11]. As demonstrated in Determine 3(b) with purple dots and line, the CW output energy is extremely depending on the place of laser crystal as well as experimental outcome coincides very well with simulation result. Being a Take note, multimode operation transpired in experiment if the size from the pump beam is much larger than TEM00 cavity manner and it leads to larger CW output ability in the displacement region below three.five mm.
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High-energy repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical programs
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared to its counterpart Yb:KGW, can be a impressive materials that plays a very important purpose in laser technological know-how. Its Key operate is always to produce ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
At the same time, a shorter laser wavelength could be received; it can be done to work having a quantum defect effectively underneath one%. As a consequence, the warmth technology can be so little that this partly compensates the reduced thermal conductivity.