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23 W peak power picosecond pulses from a single-stage all-semiconductor master oscillator power amplifier
S. Riecke1, S. Schwertfeger2, K. Lauritsen1, K. Paschke2, R. Erdmann1 and G. Tränkle2
1 PicoQuant GmbH, Rudower Chaussee 29, 12489 Berlin, Germany
2 Ferdinand-Braun-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Strasse 4, D-12489 Berlin, Germany
Published in:
Appl. Phys. B, vol. 98, no. 2-3, pp. 295-299 (2010).
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Abstract:
Using a single-stage all-semiconductor master
oscillator-power amplifier, we generate narrow-band laser
pulses of 23 W peak power at 1063 nm wavelength. These
pulses of 40 ps length FWHM have a variable repetition rate
and pulse energies around 2 nJ, which exceeds previous realizations
and makes them ideally suited for second harmonic
generation. With a spectral filter, an extinction ratio above
36 dB could be achieved at nearly 10 W peak power.We use
a novel spectral method to reliably determine pulse energies
independently of the background level.
PACS:
42.55.Px, 42.60.Da, 42.65.De
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