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Achromatic second harmonic generation: tunable ultraviolet pulses with sub-10 fs duration

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Ultrafast Phenomena XIV

Part of the book series: Springer Series in Chemical Physics ((CHEMICAL,volume 79))

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Abstract

Tunable ultraviolet (UV) pulses shorter than 10 fs are generated by achromatic frequency doubling the output of a noncollinear optical parametric amplifier. We achieve first and second order achromatic phase matching with a suitable two-prism sequence and thereby increase the natural bandwidth of the nonlinear crystal by a factor of 80. Extremely broad UV spectra with a Fourier limit of 2.9 fs are generated in a 360 µm thick BBO crystal at a conversion efficiency of 20 %. The angular dispersion and the first order chirp of the highly stable UV pulses is compensated with a second prism sequence. By controlling the higher order chirp with a deformable mirror we generate pulses as short as 7.1 fs.

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References

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Author information

Authors and Affiliations

  1. LS für BioMolekulare Optik, LMU München, Oettingenstr. 67, 80538, München, Germany

    P. Baum, S. Lochbrunner & E. Riedle

Authors
  1. P. Baum
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  2. S. Lochbrunner
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  3. E. Riedle
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Editor information

Editors and Affiliations

  1. Department of Physics, University of Tokyo, Hongo 7-3-1, Bunkyo, Tokyo, 113-0033, Japan

    Takayoshi Kobayashi

  2. Toyota Physical and Chemical Research Institute Nagakute, Aichi, 480-1192, Japan

    Tadashi Okada

  3. Engineering Science, Osaka University, Machikaneyama-Cho 1-3, Toyonaka, Osaka, 560-8531, Japan

    Tetsuro Kobayashi

  4. MIT Room 6-235, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA

    Keith A. Nelson

  5. Dipartimento di Fisica, Politecnico di Milano, Piazza L. da Vinci 32, 20133, Milano, Italy

    Sandro De Silvestri

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© 2005 Springer-Verlag Berlin Heidelberg

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Baum, P., Lochbrunner, S., Riedle, E. (2005). Achromatic second harmonic generation: tunable ultraviolet pulses with sub-10 fs duration. In: Kobayashi, T., Okada, T., Kobayashi, T., Nelson, K.A., De Silvestri, S. (eds) Ultrafast Phenomena XIV. Springer Series in Chemical Physics, vol 79. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-27213-5_25

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