Facts About KYW Crystal Revealed
Facts About KYW Crystal Revealed
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The get bandwidth e.g. of Yb:KGW and Yb:KYW is quite significant compared with that of Yb:YAG. This enables for extensive wavelength tunability and for Considerably shorter pulse durations from mode-locked lasers. Values properly down below 100 fs have already been realized with passive manner locking.
The Yb-doped potassium yttrium tungstate (Yb:KYW) crystal, compared to its counterpart Yb:KGW, is actually a impressive substance that performs a significant job in laser technology. Its primary function is to crank out ultrashort pulses of light, spanning just a few hundred femtoseconds.
Femtosecond laser determined by Yb:KYW crystals with suppression of spectral narrowing inside of a regenerative amplifier by spectral profiling of the heart beat
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This paper describes a femtosecond laser regenerative amplifier based upon two Yb:KYW crystals with immediate longitudinal pumping by strong linear arrays of semiconductor injection lasers possessing fiber output. To stop spectral narrowing throughout amplification and the corresponding lengthening of your amplified pulse when it can be compressed, a combination of two Yb:KYW crystals were being applied, Using the spectral maxima of the amplification shifted relative to one another and with spectral profiling in the amplified radiation.
After air drying and subsequent cleansing with a cotton cloth soaked in Liquor, the movie surface area confirmed no signs of peeling or scratches.
FIG. 1. Optical structure of a laser with immediate pumping with the radiation of semiconductor injection lasers. LD is undoubtedly an IPG Photonics laser diode with fiber output
5 mm other than the center in the beam caustic. As a way to Examine the mode matching simulation, we executed the experiment with Ng-Slash crystal oscillator, which was formulated Formerly As well as in a identical situation with simulation [eleven]. As shown in Determine 3(b) with purple dots and line, the CW output electrical power is very dependent on the position of laser crystal and the experimental consequence coincides nicely with simulation consequence. As being a Observe, multimode Procedure occurred in experiment if the size in the pump beam is more substantial than TEM00 cavity manner and it triggers better CW output energy while in the displacement location below 3.5 mm.
For tungstates, the ytterbium doping focus can be very significant without having sizeable quenching since the replaced ions have a very identical ion radius, along with the inter-ion length is pretty substantial.
Large-power repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical purposes
While ytterbium-doped laser acquire media usually exhibit a little quantum defect, ytterbium-doped tungstates allow for especially little values. As an example, a 1030-nm check here Yb:YAG laser would Generally be pumped all around 940 nm, While Yb:KGW or Yb:KYW could possibly be most proficiently pumped all around 981 nm.
Li2WO4-WO3 flux was effectively utilized cutting down the growth temperature beneath 900 oC. In keeping with one crystal x-ray measurements, the crystal corresponds towards the P2/n Area group.
Yb:KYW crystal (Yb-doped potassium yttrium tungstate) when compared to its counterpart Yb:KGW, is usually a extraordinary product that plays an essential role in laser technologies. Its primary functionality should be to make ultrashort pulses of light, spanning just some hundred femtoseconds.
Inquire RP Photonics for virtually any suggestions about tungstate lasers, like femtosecond lasers and higher-electric power lasers.