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19 fs shaped ultraviolet pulses.

C Schriever1, S Lochbrunner, M Optiz

  • 1Lehrstuhl für BioMolekulare Optik, Department für Physik, Ludwig-Maximilians-Universität, Oettingenstrasse 67, 80538 München, Germany.

Optics Letters
|February 25, 2006
PubMed
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Researchers created tunable ultrashort ultraviolet pulses with controlled spectral phase and amplitude. This technique allows for the generation of precisely shaped ultraviolet pulses for various applications.

Area of Science:

  • Optics and Photonics
  • Ultrafast Laser Science

Background:

  • Generation of ultrashort pulses is crucial for various scientific applications.
  • Control over spectral phase and amplitude enables precise pulse shaping.

Purpose of the Study:

  • To demonstrate a method for generating shaped, tunable ultrashort ultraviolet pulses.
  • To achieve full control over the spectral phase and amplitude of ultraviolet pulses.

Main Methods:

  • Utilizing a noncollinearly phase-matched optical parametric amplifier.
  • Employing a liquid-crystal spatial light modulator for spectral shaping.
  • Sum-frequency mixing structured visible pulses with chirped 775 nm pulses to achieve ultraviolet output.

Main Results:

Related Experiment Videos

  • Demonstrated generation of single, double, and triple pulses at 344 nm.
  • Achieved subpulses as short as 19 femtoseconds.
  • Showcased tunability across the 295-370 nm range.

    • Conclusions:

    • The presented method offers precise control over ultrashort ultraviolet pulse generation.
    • The technique is adaptable for creating arbitrarily shaped ultraviolet pulses within the specified wavelength range.