Considerations To Know About KYW Crystal
Considerations To Know About KYW Crystal
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This exceptional characteristic of ultrafast pulses permits nonlinear optical interaction with tissue at reduced In general exposure, and drives purposes such as deep-tissue multiphoton microscopy and superior-precision eye operation
We existing a twin-crystal Yb:KGW laserthat iscapable to work to be a Q-switched oscillator with output power nearly 24 W and pulse length of twenty ns,or to be a regenerative amplifier with output power up to 21 W and pulse duration below two hundred fs immediately after compression of chirped pulses. Both equally lasers have exceptional beam good quality with beam parameter M2
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This paper describes a femtosecond laser regenerative amplifier based on two Yb:KYW crystals with immediate longitudinal pumping by impressive linear arrays of semiconductor injection lasers acquiring fiber output. To forestall spectral narrowing through amplification along with the corresponding lengthening in the amplified pulse when it is compressed, a mix of two Yb:KYW crystals have been employed, Using the spectral maxima of your amplification shifted relative to each other and with spectral profiling of your amplified radiation.
Right before the development of Nd:YAG, Nd3+:CaWO4 was an important rare-earth-doped laser get medium. It was in reality Utilized in the first constantly running crystal laser.
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Tungstates are inclined to obtain high Raman coefficients (�?Raman scattering). Consequently, they could crank out major Raman attain at average optical intensities. It is achievable to use the laser crystal alone to be a Raman converter.
For tungstates, the ytterbium doping concentration can be quite large without important quenching as the replaced ions have an incredibly identical ion radius, and also the inter-ion distance is get more info fairly significant.
Significant-electric power repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical programs
Although ytterbium-doped laser achieve media frequently show a little quantum defect, ytterbium-doped tungstates permit for specifically tiny values. Such as, a 1030-nm Yb:YAG laser would normally be pumped around 940 nm, Whilst Yb:KGW or Yb:KYW can be most competently pumped all over 981 nm.
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The polarized absorption spectra of Tm3+-doped potassium yttrium tungstate (Tm:KY(WO4)2) crystal at place temperature were measured. The emission spectrum and lifetime on the three File 4 enthusiastic point out were being identified. Making use of common and modified Judd–Ofelt theories, the depth parameters plus the radiative lifetimes ended up calculated and superior settlement While using the experimental success was attained for both equally theories.
Ask RP Photonics for almost any suggestions about tungstate lasers, like femtosecond lasers and high-electric power lasers.