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arXiv · 1411.6861

Ptychographic ultrafast pulse reconstruction

D. Spangenberg·E. Rohwer·M. H. Brügmann·T. Feurer
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Abstract

We demonstrate a new ultrafast pulse reconstruction modality which is somewhat reminiscent of frequency resolved optical gating but uses a modified setup and a conceptually different reconstruction algorithm that is derived from ptychography. Even though it is a second order correlation scheme it shows no time ambiguity. Moreover, the number of spectra to record is considerably smaller than in most other related schemes which, together with a robust algorithm, leads to extremely fast convergence of the reconstruction.

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D. Spangenberg, E. Rohwer, M. H. Brügmann, T. Feurer. 2015-03-16. Ptychographic ultrafast pulse reconstruction. https://doi.org/10.1364/ol.40.001002

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