KYW Crystal Secrets
KYW Crystal Secrets
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The acquire bandwidth e.g. of Yb:KGW and Yb:KYW is rather huge in comparison with that of Yb:YAG. This enables for vast wavelength tunability and for Significantly shorter pulse durations from mode-locked lasers. Values nicely below a hundred fs are actually obtained with passive manner locking.
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Femtosecond laser based upon Yb:KYW crystals with suppression of spectral narrowing in a very regenerative amplifier by spectral profiling of the heartbeat
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This paper describes a femtosecond laser regenerative amplifier determined by two Yb:KYW crystals with direct longitudinal pumping by highly effective linear arrays of semiconductor injection lasers possessing fiber output. To prevent spectral narrowing through amplification and also the corresponding lengthening with the amplified pulse when it's compressed, a mix of two Yb:KYW crystals had been applied, With all the spectral maxima with the amplification shifted relative to each other and with spectral profiling on the amplified radiation.
The monoclinic crystal buildings ends in a purely natural birefringence, assisting to stay clear of thermally induced polarization rotation click here and depolarization decline.
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A substantial brightnessQ-switched oscillator and regenerative amplifier according to a twin-crystal Yb:KGW laser
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... Not just the place of crystal while in the cavity and also the amplification axis of crystal influences the laser operation greatly, because the absorption and emission cross sections of your crystal are very unique based on the orientation on the crystal.
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Yb:KYW crystal (Yb-doped potassium yttrium tungstate) in comparison with its counterpart Yb:KGW, is really a amazing product that performs an essential role in laser technology. Its Principal perform is to make ultrashort pulses of sunshine, spanning only a few hundred femtoseconds.
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