Spatio-temporal X-wave

Eran Small; Ori Katz; Yochay Eshel; Yaron Silberberg; Dan Oron

doi:10.1364/OE.17.018659

Spatio-temporal X-wave

Eran Small^*, Ori Katz, Yochay Eshel, Yaron Silberberg, Dan Oron

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

We introduce an illumination configuration which is a spatiotemporal analog of a non-diffracting X-wave. By interfering multiple ultrashort converging plane waves, we generate a tight central spot at which a transform limited ultrashort pulse is formed. Outside this tight focus a spatiotemporal speckle field with longer duration and reduced peak power is created. We investigate this spatiotemporal X-wave configuration analytically, numerically, and experimentally demonstrate the effect using two photon excitation fluorescence.

Original language	English
Pages (from-to)	18659-18668
Number of pages	10
Journal	Optics Express
Volume	17
Issue number	21
DOIs	https://doi.org/10.1364/OE.17.018659
State	Published - 12 Oct 2009
Externally published	Yes

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10.1364/OE.17.018659

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AB - We introduce an illumination configuration which is a spatiotemporal analog of a non-diffracting X-wave. By interfering multiple ultrashort converging plane waves, we generate a tight central spot at which a transform limited ultrashort pulse is formed. Outside this tight focus a spatiotemporal speckle field with longer duration and reduced peak power is created. We investigate this spatiotemporal X-wave configuration analytically, numerically, and experimentally demonstrate the effect using two photon excitation fluorescence.

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Spatio-temporal X-wave

Abstract

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