High intensity behavior of pyroelectric photorefractive self-focusing in LiNbO3
Identifieur interne : 000517 ( Main/Exploration ); précédent : 000516; suivant : 000518High intensity behavior of pyroelectric photorefractive self-focusing in LiNbO3
Auteurs : Jassem Safioui [Belgique, France] ; Fabrice Devaux [France] ; Kien Phan Huy [France] ; Mathieu Chauvet [France]Source :
- Optics Communications [ 0030-4018 ] ; 2013.
Abstract
The formation of self-confined beams using pyroelectric effect is numerically and experimentally studied in photorefractive LiNbO3. For a given crystal temperature change, the trapped beam width is shown to be less efficient as intensity is increased. Numerical calculations reveal that the induced refractive-index profile varies along propagation for large intensities due to a nonlinear photovoltaic effect. Moreover, it eventually gives beam splitting for intensities greater than a threshold intensity that depends on LiNbO3 composition.
Url:
Affiliations:
- Belgique, France
- Franche-Comté
- Belfort, Besançon
- Université de Bourgogne Franche-Comté, Université de Franche-Comté, Université de technologie de Belfort-Montbéliard
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Le document en format XML
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<orgName type="acronym">UFC</orgName>
<desc><address><country key="FR"></country>
</address>
<ref type="url">http://www.univ-fcomte.fr</ref>
</desc>
</org>
</tutelle>
<tutelle active="#struct-300261" type="direct"><org type="institution" xml:id="struct-300261" status="VALID"><orgName>Université de Technologie de Belfort-Montbeliard</orgName>
<orgName type="acronym">UTBM</orgName>
<desc><address><country key="FR"></country>
</address>
</desc>
</org>
</tutelle>
<tutelle active="#struct-300360" type="direct"><org type="institution" xml:id="struct-300360" status="VALID"><orgName>Ecole Nationale Supérieure de Mécanique et des Microtechniques</orgName>
<orgName type="acronym">ENSMM</orgName>
<desc><address><country key="FR"></country>
</address>
</desc>
</org>
</tutelle>
<tutelle name="UMR6174" active="#struct-441569" type="direct"><org type="institution" xml:id="struct-441569" status="VALID"><idno type="IdRef">02636817X</idno>
<idno type="ISNI">0000000122597504</idno>
<orgName>Centre National de la Recherche Scientifique</orgName>
<orgName type="acronym">CNRS</orgName>
<date type="start">1939-10-19</date>
<desc><address><country key="FR"></country>
</address>
<ref type="url">http://www.cnrs.fr/</ref>
</desc>
</org>
</tutelle>
</tutelles>
</hal:affiliation>
<country>France</country>
<placeName><settlement type="city" wicri:auto="siege">Besançon</settlement>
<region type="region" nuts="2">Franche-Comté</region>
</placeName>
<orgName type="university">Université de Franche-Comté</orgName>
<orgName type="institution" wicri:auto="newGroup">Université de Bourgogne Franche-Comté</orgName>
<placeName><settlement type="city" wicri:auto="siege">Belfort</settlement>
<region type="region" nuts="2">Franche-Comté</region>
</placeName>
<orgName type="university">Université de technologie de Belfort-Montbéliard</orgName>
</affiliation>
</author>
</analytic>
<series><title level="j">Optics Communications</title>
<idno type="ISSN">0030-4018</idno>
<imprint><date type="datePub">2013</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
</fileDesc>
<profileDesc><textClass></textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">The formation of self-confined beams using pyroelectric effect is numerically and experimentally studied in photorefractive LiNbO3. For a given crystal temperature change, the trapped beam width is shown to be less efficient as intensity is increased. Numerical calculations reveal that the induced refractive-index profile varies along propagation for large intensities due to a nonlinear photovoltaic effect. Moreover, it eventually gives beam splitting for intensities greater than a threshold intensity that depends on LiNbO3 composition.</div>
</front>
</TEI>
<affiliations><list><country><li>Belgique</li>
<li>France</li>
</country>
<region><li>Franche-Comté</li>
</region>
<settlement><li>Belfort</li>
<li>Besançon</li>
</settlement>
<orgName><li>Université de Bourgogne Franche-Comté</li>
<li>Université de Franche-Comté</li>
<li>Université de technologie de Belfort-Montbéliard</li>
</orgName>
</list>
<tree><country name="Belgique"><region name="Franche-Comté"><name sortKey="Safioui, Jassem" sort="Safioui, Jassem" uniqKey="Safioui J" first="Jassem" last="Safioui">Jassem Safioui</name>
</region>
</country>
<country name="France"><region name="Franche-Comté"><name sortKey="Devaux, Fabrice" sort="Devaux, Fabrice" uniqKey="Devaux F" first="Fabrice" last="Devaux">Fabrice Devaux</name>
</region>
<name sortKey="Chauvet, Mathieu" sort="Chauvet, Mathieu" uniqKey="Chauvet M" first="Mathieu" last="Chauvet">Mathieu Chauvet</name>
<name sortKey="Phan Huy, Kien" sort="Phan Huy, Kien" uniqKey="Phan Huy K" first="Kien" last="Phan Huy">Kien Phan Huy</name>
</country>
</tree>
</affiliations>
</record>
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