An Unbiased View of KYW Crystal
An Unbiased View of KYW Crystal
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We existing a dual-crystal Yb:KGW laserthat iscapable to work for a Q-switched oscillator with output electricity around 24 W and pulse duration of twenty ns,or being a regenerative amplifier with output electrical power up to 21 W and pulse length beneath two hundred fs right after compression of chirped pulses. Both lasers have exceptional beam high-quality with beam parameter M2
FIG. four. Autocorrelation function of the pulse 共a兲and spectrum 共b兲of a laser with a rectangular Energetic ingredient for an output energy of 700 mW. The width of
This paper describes a femtosecond laser regenerative amplifier according to two Yb:KYW crystals with immediate longitudinal pumping by impressive linear arrays of semiconductor injection lasers owning fiber output. To circumvent spectral narrowing all through amplification plus the corresponding lengthening in the amplified pulse when it's compressed, a mix 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 surface area confirmed no signs of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and are made use of as lasing products to crank out ultrashort (~ one hundred-two hundred fs) significant electricity pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes operating at 981 nm supports compact laser techniques.
A significant brightnessQ-switched oscillator and regenerative amplifier determined by a twin-crystal Yb:KGW laser
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By substituting yttrium with ytterbium during the crystal lattice of Yb:KYW due to equivalent dimensions of these chemical things around a hundred% of Yb-doping could possibly be realized.
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Li2WO4-WO3 flux was efficiently utilized minimizing The expansion temperature underneath 900 oC. In keeping with one crystal x-ray measurements, the crystal corresponds into the P2/n House team.
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At the same time, a shorter laser wavelength is often obtained; it is check here achievable to operate by using a quantum defect well underneath 1%. To be a consequence, the heat era is usually so tiny this partly compensates the lessen thermal conductivity.