Patterned two-photon illumination by spatiotemporal shaping of ultrashort pulses
Identifieur interne : 000117 ( Hal/Curation ); précédent : 000116; suivant : 000118Patterned 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.
English descriptors
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.
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DOI: 10.1364/OE.16.022039
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Hal:hal-01963248Le 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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<sourceDesc> <biblStruct> <analytic> <title xml:lang="en">Patterned two-photon illumination by spatiotemporal shaping of ultrashort pulses</title>
<author role="aut"> <persName> <forename type="first">Eirini</forename>
<surname>Papagiakoumou</surname>
</persName>
<idno type="halauthorid">11233128</idno>
<affiliation ref="#struct-419825"></affiliation>
</author>
<author role="aut"> <persName> <forename type="first">Vincent</forename>
<surname>De Sars</surname>
</persName>
<idno type="halauthorid">1587885</idno>
<affiliation ref="#struct-419825"></affiliation>
</author>
<author role="aut"> <persName> <forename type="first">Dan</forename>
<surname>Oron</surname>
</persName>
<idno type="halauthorid">1351413</idno>
<affiliation ref="#struct-5285"></affiliation>
</author>
<author role="aut"> <persName> <forename type="first">Valentina</forename>
<surname>Emiliani</surname>
</persName>
<email type="md5">9723dbd1d24ced61e5c9150b01bb827e</email>
<email type="domain">parisdescartes.fr</email>
<ptr type="url" target="http://www.biomedicale.univ-paris5.fr/neurophysiologie/Groups/emilianigroup.php"></ptr>
<idno type="halauthorid">677680</idno>
<orgName ref="#struct-301664"></orgName>
<affiliation ref="#struct-419825"></affiliation>
</author>
</analytic>
<monogr> <idno type="halJournalId" status="VALID">1882</idno>
<idno type="issn">1094-4087</idno>
<title level="j">Optics Express</title>
<imprint> <publisher>Optical Society of America</publisher>
<biblScope unit="volume">16</biblScope>
<biblScope unit="issue">26</biblScope>
<biblScope unit="pp">22039-22047</biblScope>
<date type="datePub">2008</date>
<date type="dateEpub">2008-12-19</date>
</imprint>
</monogr>
<idno type="doi">10.1364/OE.16.022039</idno>
</biblStruct>
</sourceDesc>
<profileDesc> <langUsage> <language ident="en">English</language>
</langUsage>
<textClass> <keywords scheme="author"> <term xml:lang="en">Pulse shaping</term>
<term xml:lang="en">Digital holography</term>
<term xml:lang="en">Non-linear microscopy</term>
<term xml:lang="en">Spatial light modulators</term>
</keywords>
<classCode scheme="classification">OCIS: 090.1995, 180.4315, 230.6120, 320.5540</classCode>
<classCode scheme="halDomain" n="spi.opti">Engineering Sciences [physics]/Optics / Photonic</classCode>
<classCode scheme="halDomain" n="nlin">Nonlinear Sciences [physics]</classCode>
<classCode scheme="halTypology" n="ART">Journal articles</classCode>
</textClass>
<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>
</abstract>
</profileDesc>
</hal>
</record>
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