Noncollinear autocorrelation with radially symmetric nondiffracting beams

Silke Huferath-von Luepke; Volker Kebbel; Martin Bock; Susanta Kumar Das; Ruediger Grunwald

doi:10.1117/12.792731

11 August 2008 Noncollinear autocorrelation with radially symmetric nondiffracting beams

Silke Huferath-von Luepke, Volker Kebbel, Martin Bock, Susanta Kumar Das, Ruediger Grunwald

Proceedings Volume 7063, Interferometry XIV: Techniques and Analysis; 706311 (2008) https://doi.org/10.1117/12.792731
Event: Optical Engineering + Applications, 2008, San Diego, California, United States

Abstract

Fringe-resolved noncollinear autocorrelation extracts information about the pulse duration of ultrashort optical signals from analyzing the intensity envelope of fringes. By detecting nonlinear autocorrelation functions after frequency conversion, even an evaluation of temporal asymmetry and frequency chirp are enabled. Here we report on a modified approach based on replacing crossed plane waves by Bessel-like beams. In comparison to the conventional method, appropriate mathematical transforms have to be applied. The method is simple and single-shot capable and takes advantage of specific advantages of pseudo-nondiffracting beams. First proof-of-principle experiments with few-femtosecond pulse durations were performed and compared to simulations. In multishot operation regime, the implementation of phase-shifting procedures by spatial light modulators promises considerable improvements of the time resolution analogous to the known principle of phase-shift interferometry.

Citation Download Citation

Silke Huferath-von Luepke, Volker Kebbel, Martin Bock, Susanta Kumar Das, and Ruediger Grunwald "Noncollinear autocorrelation with radially symmetric nondiffracting beams", Proc. SPIE 7063, Interferometry XIV: Techniques and Analysis, 706311 (11 August 2008); https://doi.org/10.1117/12.792731

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