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http://hdl.handle.net/10397/87811
Title: | Investigation of the transit-time broadening in optical nanofiber based spectroscopy | Authors: | Qi, Y Jin, W Ho, HL |
Issue Date: | May-2020 | Source: | Optics express, May 2020, v. 28, no. 6, p. 8324-8330 | Abstract: | Optical nanofiber is a widely adopted platform for highly efficient light-matter interaction by virtue of its exposed evanescent field with high light intensity. However, the strongly constrained mode field with the wavelength-scale size makes the light-matter interaction time limited in consideration of the random thermal motion of warm molecules, which results in considerable transit-time dephasing and thus line broadening. Here we report a systematic study of the transit-time effect associated with the optical nanofibers. Both simulation and experiment for nanofibers exposed in acetylene demonstrate the considerable transit-time broadened linewidth in the low-pressure range. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement | Publisher: | Optical Society of America | Journal: | Optics express | EISSN: | 1094-4087 | DOI: | 10.1364/OE.387343 | Rights: | © 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement (https://www.osapublishing.org/library/license_v1.cfm#VOR-OA) Journal © 2020 © 2020 Optical Society of America. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved. The following publication Yun Qi, Wei Jin, and Hoi Lut Ho, "Investigation of the transit-time broadening in optical nanofiber based spectroscopy," Opt. Express 28, 8324-8330 (2020) is available at https://dx.doi.org/10.1364/OE.387343 |
Appears in Collections: | Journal/Magazine Article |
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Qi_Transit-Time_Optical_Nanofiber.pdf | 1.18 MB | Adobe PDF | View/Open |
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