High power diode-pumped Nd:YAG regenerative amplifier for picosecond pulses

High power diode-pumped Nd:YAG regenerative amplifier for picosecond pulses

We demonstrate regenerative amplification of 25-ps full width at half-maximum TEM00 pulses to ≳1 mJ at a 2-kHz repetition rate in a diode-pumped Nd:YAG system. The single pulse energy gain is 74 dB and operation at 5 kHz has delivered ≳3.5 W of average power at λ=1.064 μm. Gain narrowing and self-ph...

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Veröffentlicht in:Applied physics letters 1994-10, Vol.65 (16), p.1992-1994
Hauptverfasser: Walker, D. R., Flood, C. J., van Driel, H. M., Greiner, U. J., Klingenberg, H. H.
Format: Artikel
Sprache:eng
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Zusammenfassung:We demonstrate regenerative amplification of 25-ps full width at half-maximum TEM00 pulses to ≳1 mJ at a 2-kHz repetition rate in a diode-pumped Nd:YAG system. The single pulse energy gain is 74 dB and operation at 5 kHz has delivered ≳3.5 W of average power at λ=1.064 μm. Gain narrowing and self-phase modulation cause significant spectral and temporal broadening, from 70 GHz and 12 ps to ∼100 GHz and 25 ps, respectively, for the shortest amplified pulses.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.112840