Getting My KYW Crystal To Work
Getting My KYW Crystal To Work
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The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, in comparison with its counterpart Yb:KGW, is often a extraordinary material that performs a significant purpose in laser technology. Its primary perform would be to create ultrashort pulses of light, spanning just a few hundred femtoseconds.
Femtosecond laser dependant on Yb:KYW crystals with suppression of spectral narrowing inside of a regenerative amplifier by spectral profiling of the heart beat
FIG. four. Autocorrelation function of the heartbeat 共a兲and spectrum 共b兲of the laser with a rectangular Energetic element for an output power of 700 mW. The width of
By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW due to the similar dimensions of those chemical factors around 100% of Yb-doping can be realized. This exclusive characteristic permits ytterbium to go ahead and take put of yttrium with pretty much no disruption on the crystal’s lattice.
Adhesion Exam Compliant with MIL-C-675C military services standards, an adhesion exam included making use of a tape that meets LT-ninety specifications on to the lens film layer. The tape was affixed totally and then eradicated vertically. This technique was carried out thrice, leading to no blistering or peeling.
Raman, luminescence and transmission spectra expose optical capabilities owing to your presence of thulium ions, and so the supplies might be further examined while in the scope of laser and luminescence programs.
5 mm in addition to the center of the beam caustic. So as to Examine the manner matching simulation, we carried out the experiment with Ng-Slice crystal oscillator, which was created Beforehand and in a very same condition with simulation [11]. As demonstrated in Determine 3(b) with crimson dots and line, the CW output ability is highly depending on the posture of laser crystal as well as the experimental consequence coincides well with simulation outcome. Being a Observe, multimode operation happened in experiment in the event the size from the pump beam is more substantial than TEM00 cavity method and it brings about better CW output ability in the displacement location down below three.5 mm.
For tungstates, the ytterbium doping concentration can be quite substantial without the need of substantial quenching because the replaced ions have an incredibly very similar ion radius, and the inter-ion length is pretty large.
Substantial-ability repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical applications
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Li2WO4-WO3 flux was efficiently utilized cutting down The expansion temperature down below 900 oC. According to single crystal x-ray measurements, the crystal corresponds towards the P2/n Area group.
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