Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/106945
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dc.contributor.authorLo, Alencious Shu-Zeeen
dc.contributor.authorWang, Linen
dc.contributor.authorLoh, Zhi-Hengen
dc.date.accessioned2019-09-30T08:32:09Zen
dc.date.accessioned2019-12-06T22:21:39Z-
dc.date.available2019-09-30T08:32:09Zen
dc.date.available2019-12-06T22:21:39Z-
dc.date.issued2018en
dc.identifier.citationLo, A. S.-Z., Wang, L., & Loh, Z.-H. (2018). Pulse propagation in hollow-core fiber at high-pressure regime: application to compression of tens of μJ pulses and determination of nonlinear refractive index of xenon at 103  μm. Applied Optics, 57(16), 4659-4664. doi:10.1364/AO.57.004659en
dc.identifier.issn1559-128Xen
dc.identifier.urihttps://hdl.handle.net/10356/106945-
dc.description.abstractClassical expression for the propagation constant and absorption coefficient derived by Marcatili and Schmeltzer for hollow-core fiber (HCF) has been slightly modified to account for noble gas material dispersion at high gas pressure. As a proof of concept, the nonlinear refractive index of xenon (Xe) gas has been investigated by numerically fitting to experimentally obtained spectral broadening in HCF under intense high repetition rate pulses. By varying the Xe pressure inside the HCF, a pressure-dependent nonlinear refractive index value of 𝜅�����2=(50.1±0.3)×10−20  cm2/W atm at 1.03 μm is obtained, which compares favorably with literature reported values. Finally, temporal compression of 50 μJ, 320 fs pulses at 0.6 MHz repetition rate to 61 fs with 0.29 GW peak power in a HCF filled with 5 bars of Xe gas has been demonstrated using a single HCF compression stage.en
dc.description.sponsorshipMOE (Min. of Education, S’pore)en
dc.format.extent7 p.en
dc.language.isoenen
dc.relation.ispartofseriesApplied Opticsen
dc.rights© 2018 Optical Society of America. All rights reserved. This paper was published in Applied Optics and is made available with permission of Optical Society of America.en
dc.subjectUltrafast Nonlinear Opticsen
dc.subjectUltrafast Opticsen
dc.subjectScience::Physicsen
dc.titlePulse propagation in hollow-core fiber at high-pressure regime : application to compression of tens of μJ pulses and determination of nonlinear refractive index of xenon at 103  μmen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
dc.contributor.organizationCentre for Optical Fibre Technologyen
dc.contributor.organizationThe Photonics Instituteen
dc.identifier.doi10.1364/AO.57.004659en
dc.description.versionAccepted versionen
item.grantfulltextopen-
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