The Definitive Guide to KYW Crystal

The Definitive Guide to KYW Crystal

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The gain bandwidth e.g. of Yb:KGW and Yb:KYW is rather significant as opposed with that of Yb:YAG. This permits for broad wavelength tunability and for A lot shorter pulse durations from manner-locked lasers. Values well below a hundred fs are obtained with passive manner locking.

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time. Crystals on the compound melts congruently at 1007 oC, nonetheless melt crystallization of top of the range crystal is extremely hard as a result of phase changeover at ~920 oC. The top seeded Option approach from

Colour-coded reflectivity of a Bragg mirror for a function of wavelength and angle from the incident beam.

This paper describes a femtosecond laser regenerative amplifier based on two Yb:KYW crystals with immediate longitudinal pumping by strong linear arrays of semiconductor injection lasers obtaining fiber output. To avoid spectral narrowing throughout amplification and the corresponding lengthening of your amplified pulse when it truly is compressed, a combination of two Yb:KYW crystals have been utilized, Together with the spectral maxima of the amplification shifted relative to each other and with spectral profiling from the amplified radiation.

Immediately after air drying and subsequent cleansing having a cotton cloth soaked in Alcoholic beverages, the movie area showed no signs of peeling or scratches.

PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and so are utilised as lasing components to produce ultrashort (~ a hundred-200 fs) high electric power pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes running at 981 nm supports compact laser methods.

5 mm in addition to the middle in the beam caustic. As a way to Verify the manner matching simulation, we done the experiment with Ng-Lower crystal oscillator, which was created Beforehand and in a same affliction with simulation [11]. As revealed in Figure three(b) with pink dots and line, the CW output electricity is highly dependent on the situation of laser crystal as well as the experimental final result coincides effectively with simulation final result. Like a Take note, multimode operation occurred in experiment if the sizing from the pump beam is much larger than TEM00 cavity manner and it leads to increased CW output ability inside the displacement area underneath three.five mm.

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By substituting yttrium with ytterbium get more info while in the crystal lattice of Yb:KYW a result of the equivalent sizes of such chemical things approximately 100% of Yb-doping may very well be reached.

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