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Monolithic single-shot dispersion-scan : A new tool for real-time measurement and optimization of femtosecond pulses

Silva, Francisco (författare)
University of Porto
Sola, I´ñigo J. (författare)
University of Salamanca
Crespo, Helder (författare)
University of Porto,University of Salamanca
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Romero, Rosa (författare)
University of Porto
Miranda, Miguel (författare)
Lund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Arnold, Cord L. (författare)
Lund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
L'Huillier, Anne (författare)
Lund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Trull, Jose (författare)
Polytechnic University of Catalonia
Cojocaru, Crina (författare)
Polytechnic University of Catalonia
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 (creator_code:org_t)
2017
2017
Engelska.
Ingår i: The European Conference on Lasers and Electro-Optics, CLEO_Europe 2017. - 9781509067367
  • Konferensbidrag (refereegranskat)
Abstract Ämnesord
Stäng  
  • The precise characterization of femtosecond laser pulses is as challenging as their generation and a topic of intense research. Dispersion-scan (d-scan) [1] is a recently established technique where the spectrum of a nonlinear signal, e.g., second-harmonic generation (SHG), is measured as a function of dispersion applied to the pulse. The spectral phase of the pulse can then be retrieved from the resulting 2D trace using an iterative algorithm. An important implementation of d-scan, based on a chirped mirror and wedge compressor, involves progressively moving one of the wedges around the maximum compression point and acquiring the resulting SHG spectrum for each insertion with a standard spectrometer. This robust and fully inline approach, which does not require any beamsplitting or temporal delays, has enabled the simultaneous compression and measurement of pulses down to single-cycle durations [2-4], but its scanning nature precludes single-shot operation. A single-shot d-scan variant that explores the spatially dependent dispersion of a glass prism was successfully demonstrated with 3.2 fs pulses [5], but the relatively small amount of dispersion that can be introduced by a single prism limits its use to few-cycle pulses.

Ämnesord

NATURVETENSKAP  -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)

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