SrasV1, Main, Exploration, bibRecord, 002F59

Patterned two-photon illumination by spatiotemporal shaping of ultrashort pulses

Identifieur interne : 002F59 ( Main/Exploration ); précédent : 002F58; suivant : 002F60

Patterned two-photon illumination by spatiotemporal shaping of ultrashort pulses

Auteurs : Eirini Papagiakoumou [France] ; Vincent De Sars [France] ; Dan Oron [Israël] ; Valentina Emiliani [France]

Source :

Optics Express [ 1094-4087 ] ; 2008.

RBID : Hal:hal-01963248

English descriptors

mix :
- Digital holography, Non-linear microscopy, Pulse shaping, Spatial light modulators.

Abstract

Multiphoton excitation by temporally focused pulses can be combined with spatial Fourier-transform pulse shaping techniques to enhance spatial control of the excitation volume. Here we propose and demonstrate an optical system for the generation of such spatiotemporally engineered light pulses using a combination of spatial control by a two-dimensional reconfigurable light modulator, with a dispersive optical setup for temporal focusing. We show that although the properties of a holographic beam significantly differ from those of plane-wave illumination used in previous temporal focusing realizations, this leads only to a slightly reduced axial resolution. We show that the system can provide scanning-less, arbitrarily shaped, depth resolved excitation patterns that offer new perspectives for multiphoton photoactivation and optical lithography applications.

Url:

https://hal.archives-ouvertes.fr/hal-01963248

DOI: 10.1364/OE.16.022039

Affiliations:

France, Israël

Links toward previous steps (curation, corpus...)

to stream Hal, to step Corpus: 000117
to stream Hal, to step Curation: 000117
to stream Hal, to step Checkpoint: 000160
to stream Main, to step Merge: 003023
to stream Main, to step Curation: 002F59

Le document en format XML

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<front><div type="abstract" xml:lang="en">              <p>Multiphoton excitation by temporally focused pulses can be combined with spatial Fourier-transform pulse shaping techniques to enhance spatial control of the excitation volume. Here we propose and demonstrate an optical system for the generation of such spatiotemporally engineered light pulses using a combination of spatial control by a two-dimensional reconfigurable light modulator, with a dispersive optical setup for temporal focusing. We show that although the properties of a holographic beam significantly differ from those of plane-wave illumination used in previous temporal focusing realizations, this leads only to a slightly reduced axial resolution. We show that the system can provide scanning-less, arbitrarily shaped, depth resolved excitation patterns that offer new perspectives for multiphoton photoactivation and optical lithography applications.</p>
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Patterned two-photon illumination by spatiotemporal shaping of ultrashort pulses

Patterned two-photon illumination by spatiotemporal shaping of ultrashort pulses

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri