Top KYW Crystal Secrets
Top KYW Crystal Secrets
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The comparison with Eyeglasses is suitable Because the big gain bandwidth allows e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
The Yb:KYW crystal’s proficiency in light-weight absorption at all over 981 nm tends to make the crystal like minded for diode pumping. It is further more Increased by its remarkable efficiency in this process, coupled with its small quantum defect.
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This paper describes a femtosecond laser regenerative amplifier dependant on two Yb:KYW crystals with direct longitudinal pumping by effective 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 mix of two Yb:KYW crystals have been utilized, Together 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 by using a cotton cloth soaked in Alcoholic beverages, the film floor showed no indications of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and they are made use of as lasing products to crank out ultrashort (~ one hundred-200 fs) superior electric power pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes working at 981 nm supports compact laser methods.
5 mm apart from the middle with the beam caustic. So as to Check out the mode matching simulation, we executed the experiment with Ng-Slice crystal oscillator, which was designed previously As well as in a identical situation with simulation [eleven]. As proven in Determine 3(b) with crimson dots and line, the CW output energy is very dependent on the situation of laser crystal as well as the experimental result coincides properly with simulation final result. To be a Be aware, multimode Procedure happened in experiment when the dimension in the pump beam is bigger than TEM00 cavity mode and it results in better CW output power within the displacement region down below 3.five mm.
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By substituting yttrium with ytterbium inside the crystal lattice of Yb:KYW mainly because of the identical measurements of these chemical features as many as one hundred% of Yb-doping could be obtained.
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Talk to RP Photonics for almost any suggestions about tungstate lasers, together with femtosecond lasers and substantial-energy lasers.