An Unbiased View of KYW Crystal
An Unbiased View of KYW Crystal
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In practical conditions, the Yb:KYW crystal has observed its area of interest in large-energy laser purposes resulting from its capacity to produce high Electrical power ultrashort laser pulses even though maintaining a compact sizing. The interaction of its functions �?seamless ytterbium substitution, powerful absorption characteristics, ultrashort pulse technology and performance in Strength conversion �?positions the Yb:KYW crystal as being a cornerstone in the laser technological know-how, masking various fields starting from scientific analysis to industrial programs.
This exclusive attribute of ultrafast pulses allows nonlinear optical interaction with tissue at small In general publicity, and drives applications like deep-tissue multiphoton microscopy and significant-precision eye operation
Femtosecond laser depending on Yb:KYW crystals with suppression of spectral narrowing inside of a regenerative amplifier by spectral profiling of the pulse
FIG. 4. Autocorrelation operate of the heartbeat 共a兲and spectrum 共b兲of a laser with an oblong active aspect for an output electric power of 700 mW. The width of
By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW as a result of related measurements of such chemical things approximately 100% of Yb-doping could be realized. This exclusive attribute permits ytterbium to take the put of yttrium with just about no disruption for the crystal’s lattice.
Before the development of Nd:YAG, Nd3+:CaWO4 was a vital uncommon-earth-doped laser get medium. It was in reality Employed in the very first continually functioning crystal laser.
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five mm aside from the middle in the beam caustic. In order to Check out the mode matching simulation, we performed the experiment with Ng-Minimize crystal oscillator, which was formulated Formerly As well as in a exact same affliction with simulation [11]. As demonstrated in Determine three(b) with crimson dots and line, the CW output electric power is highly dependent on the posture of laser crystal as well as the experimental final result coincides nicely with simulation consequence. As a Be aware, multimode Procedure happened in experiment when the measurement with the pump beam is click here larger than TEM00 cavity mode and it brings about bigger CW output power inside the displacement area underneath three.5 mm.
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High-electrical power repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical purposes
The thermal conductivity of common double tungstates is of your buy to 3–4 W/(K m) �?which isn't undesirable in comparison with other laser crystals (Even though several situations below for YAG), and relatively big as opposed While using the thermal conductivity of common Eyeglasses.
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The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)2) crystal at area temperature were being measured. The emission spectrum and life time with the 3 File four psyched point out were identified. Utilizing standard and modified Judd–Ofelt theories, the intensity parameters and also the radiative lifetimes ended up calculated and very good agreement With all the experimental results was obtained for both theories.
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