KYW Crystal Options

KYW Crystal Options

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Femtosecond laser determined by Yb:KYW crystals with suppression of spectral narrowing inside a regenerative amplifier by spectral profiling of the heart beat

Shade-coded reflectivity of the Bragg mirror as a operate of wavelength and angle on the incident beam.

This paper describes a femtosecond laser regenerative amplifier dependant on two Yb:KYW crystals with immediate longitudinal pumping by strong linear arrays of semiconductor injection lasers getting fiber output. To stop spectral narrowing throughout amplification and the corresponding lengthening in the amplified pulse when it is compressed, a mix of two Yb:KYW crystals had been used, Along with the spectral maxima in the amplification shifted relative to one another and with spectral profiling in the amplified radiation.

After air drying and subsequent cleaning which has a cotton cloth soaked in alcohol, the movie surface area confirmed no signs of peeling or scratches.

PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and therefore are utilized as lasing materials to deliver ultrashort (~ one hundred-200 fs) significant electricity pulses. Direct pump of Yb:KGW/KYW crystals with laser diodes operating at 981 nm supports compact laser devices.

five mm besides the center from the beam caustic. To be able to check the manner matching simulation, we carried out the experiment with Ng-cut crystal oscillator, which was created more info Earlier and in a same ailment with simulation [11]. As revealed in Figure three(b) with red dots and line, the CW output ability is extremely depending on the place of laser crystal as well as experimental end result coincides perfectly with simulation end result. To be a Be aware, multimode Procedure happened in experiment in the event the dimension with the pump beam is bigger than TEM00 cavity method and it will cause higher CW output electrical power from the displacement location down below three.five mm.

For tungstates, the ytterbium doping concentration can be quite high with no sizeable quenching because the replaced ions have an exceptionally comparable ion radius, along with the inter-ion length is pretty large.

By substituting yttrium with ytterbium in the crystal lattice of Yb:KYW due to the identical measurements of these chemical things approximately 100% of Yb-doping can be reached.

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Li2WO4-WO3 flux was properly used decreasing the growth temperature underneath 900 oC. According to single crystal x-ray measurements, the crystal corresponds towards the P2/n Room group.

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Question RP Photonics for any assistance concerning tungstate lasers, together with femtosecond lasers and large-power lasers.