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Proceedings Paper

A brief analysis on pulse front tilt in simultaneous spatial and temporal focusing
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Paper Abstract

In this paper we analyze the pulse front tilt (PFT) in simultaneous spatial and temporal focusing mathematically and in simulations. We apply paraxial field tracing based on the Collins integral for modeling the spatio-temporal focusing process. Using the shift theorem of the Fourier transformation, we can explain the PFT in focus for general input pulses. Next, by assuming a Gaussian lateral pulse shape, an analytical solution for the field distribution at any position in the region is obtained. Compared with previous works, we take the influence of an initial PFT into considerations as well. The theoretical calculation is valid for incoming pulses with temporally chirp and/or initial PFT. Finally with the optical modeling software VirtualLab™ we presented rigorous simulations of the SSTF to verify our mathematical conclusions.

Paper Details

Date Published: 7 March 2014
PDF: 16 pages
Proc. SPIE 8972, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XIV, 89721B (7 March 2014); doi: 10.1117/12.2040042
Show Author Affiliations
Site Zhang, Friedrich-Schiller-Univ. Jena (Germany)
Frank Wyrowski, Friedrich-Schiller-Univ. Jena (Germany)
LightTrans VirtualLab UG (Germany)
Robert Kammel, Friedrich-Schiller-Univ. Jena (Germany)
Stefan Nolte, Friedrich-Schiller-Univ. Jena (Germany)


Published in SPIE Proceedings Vol. 8972:
Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XIV
Alexander Heisterkamp; Peter R. Herman; Michel Meunier; Stefan Nolte, Editor(s)

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