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Article: Observation of two-times self-focusing of femtosecond laser beam in ZnO crystal by two-photon luminescence

TitleObservation of two-times self-focusing of femtosecond laser beam in ZnO crystal by two-photon luminescence
Authors
WANG, XYe, HSu, ZYu, DXu, S
KeywordsSelf-focusing
Self-refocusing
ZnO rod
Two-photon luminescence
Issue Date2018
PublisherElsevier B.V. and Science China Press.
Citation
Science Bulletin, 2018, v. 63 n. 21, p. 1392-1396 How to Cite?
DOI: http://dx.doi.org/10.1016/j.scib.2018.10.004
AbstractBy “seeing” the green two-photon luminescence, two separate focusing points are observed on the propagation axis of a converging femtosecond laser beam in a ZnO single crystal rod. It is found that the self-focusing effect makes a significant contribution to the formation of the first focusing point, while the second focusing point is caused by self-refocusing. The position of the first focusing point is in good agreement with the value predicted by a model developed by Chin and his co-workers. These experimental findings could be the unprecedented evidence for the self-focusing and refocusing effect of the femtosecond laser filament propagation in nonlinear media.
Persistent Identifierhttp://hdl.handle.net/10722/266102
ISSN
2095-9273
2021 Impact Factor: 20.577
2020 SCImago Journal Rankings: 1.983
ISI Accession Number ID
WOS:000451636900003

 

DC FieldValueLanguage
dc.contributor.authorWANG, X-
dc.contributor.authorYe, H-
dc.contributor.authorSu, Z-
dc.contributor.authorYu, D-
dc.contributor.authorXu, S-
dc.date.accessioned2018-12-17T02:16:47Z-
dc.date.available2018-12-17T02:16:47Z-
dc.date.issued2018-
dc.identifier.citationScience Bulletin, 2018, v. 63 n. 21, p. 1392-1396-
dc.identifier.issn2095-9273-
dc.identifier.urihttp://hdl.handle.net/10722/266102-
dc.description.abstractBy “seeing” the green two-photon luminescence, two separate focusing points are observed on the propagation axis of a converging femtosecond laser beam in a ZnO single crystal rod. It is found that the self-focusing effect makes a significant contribution to the formation of the first focusing point, while the second focusing point is caused by self-refocusing. The position of the first focusing point is in good agreement with the value predicted by a model developed by Chin and his co-workers. These experimental findings could be the unprecedented evidence for the self-focusing and refocusing effect of the femtosecond laser filament propagation in nonlinear media.-
dc.languageeng-
dc.publisherElsevier B.V. and Science China Press.-
dc.relation.ispartofScience Bulletin-
dc.subjectSelf-focusing-
dc.subjectSelf-refocusing-
dc.subjectZnO rod-
dc.subjectTwo-photon luminescence-
dc.titleObservation of two-times self-focusing of femtosecond laser beam in ZnO crystal by two-photon luminescence-
dc.typeArticle-
dc.identifier.emailXu, S: sjxu@hku.hk-
dc.identifier.authorityXu, S=rp00821-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.scib.2018.10.004-
dc.identifier.scopuseid_2-s2.0-85054822753-
dc.identifier.hkuros296490-
dc.identifier.volume63-
dc.identifier.issue21-
dc.identifier.spage1392-
dc.identifier.epage1396-
dc.identifier.isiWOS:000451636900003-
dc.publisher.placeUnited States-
dc.identifier.issnl2095-9273-

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