KYW Crystal Options
KYW Crystal Options
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The acquire bandwidth e.g. of Yb:KGW and Yb:KYW is rather substantial in contrast with that of Yb:YAG. This enables for huge wavelength tunability and for A lot shorter pulse durations from method-locked lasers. Values very well below 100 fs have already been reached with passive method locking.
The comparison with Eyeglasses is acceptable For the reason that huge acquire bandwidth allows e.g. tungstate femtosecond lasers and tunable lasers to contend with glass lasers.
The Yb:KYW crystal’s proficiency in gentle absorption at all-around 981 nm tends to make the crystal compatible for diode pumping. It is actually additional Improved by its amazing performance in this method, coupled with its low quantum defect.
FIG. four. Autocorrelation perform of the heart beat 共a兲and spectrum 共b兲of a laser with an oblong Lively factor for an output power of seven hundred mW. The width of
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 possessing fiber output. To stop spectral narrowing throughout amplification and also the corresponding lengthening with the amplified pulse when it truly is compressed, a combination of two Yb:KYW crystals were being applied, With all the spectral maxima of the amplification shifted relative to one another and with spectral profiling of the amplified radiation.
Just after air drying and subsequent cleaning which has a cotton cloth soaked in Liquor, the movie surface area confirmed no indications of peeling or scratches.
PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and they are utilised as lasing resources to produce ultrashort (~ a hundred-200 fs) large energy pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes working at 981 nm supports compact laser systems.
Tungstates are likely to get superior Raman coefficients (�?Raman scattering). Consequently, they could crank out major Raman attain at reasonable optical intensities. It is feasible to use the laser crystal itself as a Raman converter.
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Superior-electricity repetitively pulsed ytterbium lasers with supershort pulse width and direct diode pumping for technological and biomedical programs
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Li2WO4-WO3 flux was efficiently utilized reducing the growth temperature under 900 oC. As outlined by one crystal x-ray measurements, the crystal corresponds to the P2/n Area group.
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