5 Tips about KYW Crystal You Can Use Today

5 Tips about KYW Crystal You Can Use Today

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The comparison with glasses is acceptable For the reason that massive obtain bandwidth permits e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.

The Yb:KYW crystal’s proficiency in light absorption at all over 981 nm would make the crystal well matched for diode pumping. It is even more Increased by its impressive performance in this method, coupled with its small quantum defect.

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This paper describes a femtosecond laser regenerative amplifier depending on two Yb:KYW crystals with direct longitudinal pumping by strong linear arrays of semiconductor injection lasers acquiring fiber output. To prevent spectral narrowing during amplification and the corresponding lengthening of your amplified pulse when it can be compressed, a combination of two Yb:KYW crystals were made use of, 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 cleansing with a cotton cloth soaked in Alcoholic beverages, the film floor showed no signs of peeling or scratches.

PDF Yb:KGW and Yb:KYW crystals have wide emission bandwidths and so are utilised as lasing elements to make ultrashort (~ 100-two hundred fs) substantial electrical power pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes running at 981 nm supports compact laser methods.

5 mm apart from the middle with the beam caustic. In an effort to Check out the mode matching simulation, we executed the experiment with Ng-Slice crystal oscillator, which was created previously As well as in a identical condition with simulation [eleven]. As shown in Determine 3(b) with pink dots and line, the CW output electricity is highly depending on the position of laser crystal plus the experimental outcome coincides perfectly with simulation end result. To be a Notice, multimode Procedure happened in experiment when the measurement of the pump beam is greater than TEM00 cavity manner and it causes larger CW output ability within the displacement area underneath three.five mm.

For tungstates, the ytterbium doping focus can be extremely large without considerable quenching as the changed ions have an extremely very similar ion radius, and also the inter-ion distance is fairly significant.

By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW mainly because of the identical measurements of these chemical click here features up to one hundred% of Yb-doping could possibly be accomplished.

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At the same time, a shorter laser wavelength is usually received; it is feasible to work by using a quantum defect effectively down below 1%. As being a consequence, the warmth era is usually so modest this partly compensates the decrease thermal conductivity.