The Single Best Strategy To Use For KYW Crystal
The Single Best Strategy To Use For KYW Crystal
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In functional phrases, the Yb:KYW crystal has located its area of interest in significant-electric power laser programs as a result of its capacity to create large Power ultrashort laser pulses when retaining a compact dimensions. The interaction of its characteristics �?seamless ytterbium substitution, robust absorption qualities, ultrashort pulse generation and effectiveness in Electrical power conversion �?positions the Yb:KYW crystal to be a cornerstone from the laser know-how, covering assorted fields starting from scientific investigation to industrial programs.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, as compared to its counterpart Yb:KGW, is actually a amazing product that plays a crucial purpose in laser technology. Its Main perform is usually to make ultrashort pulses of sunshine, spanning just a couple hundred femtoseconds.
Femtosecond laser depending on Yb:KYW crystals with suppression of spectral narrowing within a regenerative amplifier by spectral profiling of the heart beat
FIG. 4. Autocorrelation functionality of the heart beat 共a兲and spectrum 共b兲of the laser with an oblong active ingredient for an output electricity of seven-hundred mW. The width of
This paper describes a femtosecond laser regenerative amplifier dependant on two Yb:KYW crystals with immediate longitudinal pumping by impressive linear arrays of semiconductor injection lasers owning fiber output. To forestall spectral narrowing through amplification and the corresponding lengthening of your amplified pulse when it is actually compressed, a mix of two Yb:KYW crystals had been utilized, with the spectral maxima of your amplification shifted relative to each other and with spectral profiling from the amplified radiation.
Just before the event of Nd:YAG, Nd3+:CaWO4 was a very important uncommon-earth-doped laser attain medium. It was the truth is Employed in the very first continually running crystal laser.
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Spatial framework of your beam and the corresponding depth profiles I within the output of your laser.
For tungstates, the ytterbium doping concentration can be quite large without important quenching as the replaced ions have an incredibly similar ion radius, as well as the inter-ion length is pretty huge.
Superior-electrical power repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical applications
Even though ytterbium-doped laser get media frequently show a little quantum defect, ytterbium-doped tungstates make it possible for for significantly small values. For example, a 1030-nm Yb:YAG laser would Usually be pumped about 940 nm, Whilst Yb:KGW or Yb:KYW can be most successfully pumped all-around 981 nm.
Li2WO4-WO3 flux was correctly applied lowering The expansion temperature down below 900 oC. Based on solitary crystal x-ray measurements, the crystal corresponds to your P2/n House team.
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