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WLC
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WLC = White-Light Continuum
Department of Chemical Physics,
University of Groningen,
Nijenborgh 4,
9747 AG Groningen,
The Netherlands
Tel: +31 50 3634440 (secretary)
Fax: +31 50 3634441
Email
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- 10 nJ, 4.5 fs, 2 MW, 1 MHz (Apr 1999)
- Cavity dumped Ti:sapphire
- Pulse compressor
- Multilayer 'Chirped' dielectric mirrors (580-1060 nm bandwidth)
- 45° quartz prism pair
- Dielectric thin-film Gires-Tournois Interferometers (GTI)
- Pump: 4 W, 532 nm Spectra Physics 'Millennia' laser
- self-phase modulation (SPM) and dispersion in a glass fiber
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- Diagram and photo
from Ultrafast laser and spectroscopy lab - University of Groningen
- schematic (includes a diagram of a chirped mirror structure)
- Second-Harmonic Generation Frequency-Resolved Optical Gating (SHG FROG) of 4.5 fs pulse
- Pulse duration < 3 optical cycles or 2 mm long pulse. (Entered in the Guinness World Record Book as shortest measured light flash.)
- applications:
- non-linear optical experiments to study ultrafast chemical reaction dynamics in solutions
- Baltuška, A.,
Wei, Z.,
Pshenichnikov, M.S.,
Wiersma, D.A.: 1997, Opt. Lett. 22, 102.
Optical pulse compression to 5 fs at a 1-MHz repetition rate
- Baltuška, A., Wei, Z., Pshenichnikov, M.S., Wiersma, D.A., Szipöcs,R.: 1997, Appl. Phys. B 65, 175.
All-solid-state cavity-dumped sub-5-fs laser
- Baltuška, A., Pshenichnikov, M.S., Wiersma, D.A.: 1998, Opt. Lett. 23, 1474.
Amplitude and phase characterization of 4.5-fs pulses by frequency-resolved optical gating
- Baltuška, A., Pshenichnikov, M.S.: 1999, IEEE J. of quantum electron. 35.
Second-harmonic generation frequency-resolved optical gating in the single-cycle regime
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