KYW Crystal Secrets
KYW Crystal Secrets
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In simple conditions, the Yb:KYW crystal has uncovered its specialized niche in superior-power laser purposes as a consequence of its power to crank out substantial Electricity ultrashort laser pulses when protecting a compact dimensions. The interplay of its options �?seamless ytterbium substitution, solid absorption attributes, ultrashort pulse generation and performance in Vitality conversion �?positions the Yb:KYW crystal as a cornerstone from the laser technological innovation, covering numerous fields ranging from scientific investigate to industrial programs.
This unique attribute of ultrafast pulses enables nonlinear optical conversation with tissue at minimal General publicity, and drives applications which include deep-tissue multiphoton microscopy and substantial-precision eye surgical procedure
Femtosecond laser based on Yb:KYW crystals with suppression of spectral narrowing in the regenerative amplifier by spectral profiling of the heart beat
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This paper describes a femtosecond laser regenerative amplifier according to two Yb:KYW crystals with immediate longitudinal pumping by potent linear arrays of semiconductor injection lasers acquiring fiber output. To prevent spectral narrowing through amplification and the corresponding lengthening on the amplified pulse when it is compressed, a mix of two Yb:KYW crystals had been utilised, Using the spectral maxima from the amplification shifted relative to one another and with spectral profiling on the amplified radiation.
Just before the event of Nd:YAG, Nd3+:CaWO4 was a very important scarce-earth-doped laser get medium. It absolutely was in fact used in the main continuously working crystal laser.
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Spatial construction from the beam as well as the corresponding intensity profiles I within the output of your laser.
For tungstates, the ytterbium doping focus can be extremely higher devoid of significant quenching since the changed ions have an incredibly identical ion radius, and also the inter-ion distance is fairly substantial.
By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW mainly because of the equivalent dimensions of these chemical things around one hundred% of more info Yb-doping may very well be achieved.
Although ytterbium-doped laser obtain media typically exhibit a little quantum defect, ytterbium-doped tungstates make it possible for for specially smaller values. By way of example, a 1030-nm Yb:YAG laser would Generally be pumped close to 940 nm, whereas Yb:KGW or Yb:KYW may very well be most proficiently pumped about 981 nm.
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