5 Simple Statements About KYW Crystal Explained

5 Simple Statements About KYW Crystal Explained

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The achieve bandwidth e.g. of Yb:KGW and Yb:KYW is very big in comparison with that of Yb:YAG. This enables for vast wavelength tunability and for Considerably shorter pulse durations from method-locked lasers. Values very well down below 100 fs are obtained with passive method locking.

This special characteristic of ultrafast pulses enables nonlinear optical interaction with tissue at very low In general exposure, and drives programs for instance deep-tissue multiphoton microscopy and higher-precision eye surgical procedure

time. Crystals with the compound melts congruently at 1007 oC, nevertheless melt crystallization of high quality crystal is impossible as a result of stage changeover at ~920 oC. The highest seeded Option system from

FIG. 4. Autocorrelation perform of the pulse 共a兲and spectrum 共b兲of the laser with a rectangular active aspect for an output electricity of 700 mW. The width of

This paper describes a femtosecond laser regenerative amplifier dependant on two Yb:KYW crystals with immediate longitudinal pumping by powerful linear arrays of semiconductor injection lasers having fiber output. To stop spectral narrowing for the duration of amplification along with the corresponding lengthening on the amplified pulse when it truly is compressed, a combination of two Yb:KYW crystals had been made use of, with the spectral maxima of your amplification shifted relative to one another and with spectral profiling of the amplified radiation.

Ahead of the development of Nd:YAG, Nd3+:CaWO4 was an important rare-earth-doped laser gain medium. It was in reality Employed in the primary continuously running crystal laser.

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five mm in addition to the middle of your beam caustic. In order to check the manner matching simulation, we executed the experiment with Ng-Slash crystal oscillator, which was made Beforehand As well as in a identical problem with simulation [11]. As shown in Determine 3(b) with pink dots and line, the CW output electrical power is very depending on the situation of laser crystal and the experimental final result coincides very well with simulation final result. Being a note, multimode operation happened in experiment once the sizing of your pump beam is much larger than TEM00 cavity manner and it leads to better CW output electrical power inside the displacement region underneath three.five mm.

For tungstates, the ytterbium doping focus can be extremely significant without having significant quenching since the changed ions have an incredibly similar ion radius, plus the inter-ion distance is fairly large.

... Not simply the placement of crystal from the cavity but also the amplification axis of crystal affects the laser operation significantly, because the absorption and emission cross sections in the crystal are very diverse based on the orientation on the crystal.

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The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)two) crystal at space temperature had been measured. The emission spectrum and life span from the 3 File four fired up condition were being determined. Working with conventional and modified Judd–Ofelt theories, the depth parameters and also the radiative lifetimes have been calculated and fantastic arrangement While using the experimental results was obtained for each theories.

Ask RP Photonics for virtually any tips concerning tungstate lasers, including femtosecond lasers and significant-electrical power lasers.