Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/102773
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Type: | Journal article |
Title: | Real-time dynamic atomic spectroscopy using electro-optic frequency combs |
Author: | Hébert, N. Michaud-Belleau, V. Perrella, C. Truong, G. Anstie, J. Stace, T. Genest, J. Luiten, A. |
Citation: | Physical Review Applied, 2016; 6(4):044012-1-044012-9 |
Publisher: | American Physical Society |
Issue Date: | 2016 |
ISSN: | 2331-7019 2331-7019 |
Statement of Responsibility: | Nicolas Bourbeau Hébert, Vincent Michaud-Belleau, Christopher Perrella, Gar-Wing Truong, James D. Anstie, Thomas M. Stace, Jérôme Genest, and Andre N. Luiten |
Abstract: | Spectroscopy is a key technology for both fundamental and applied science. A long-held desire has been the development of a means to continuously acquire broadband spectral data with simultaneous high time and frequency resolution. Frequency-comb technology can open this door: here, we use a spectroscopic technique based on an electro-optic comb to make continuous observations of cesium vapor across a 3.2-GHz spectral bandwidth with a 2-μs time resolution and with 10-MHz frequency sampling. We use a rapidly switched pump laser to burn narrow features into the spectral line and study the response to this step perturbation. This examination allows us to see a number of unexpected effects, including the temporal evolution of the bandwidth, the amplitude, and the frequency of these burnt features. We also report on the previously unobserved effect of radiation reabsorption, which slowly produces a broad pedestal of perturbation around each feature. We present models that can explain these dynamical effects. |
Description: | Published 25 October 2016 |
Rights: | © 2016 American Physical Society |
DOI: | 10.1103/PhysRevApplied.6.044012 |
Grant ID: | http://purl.org/au-research/grants/arc/CE1101013 http://purl.org/au-research/grants/arc/FT0991631 http://purl.org/au-research/grants/arc/DP1094500 |
Published version: | http://dx.doi.org/10.1103/physrevapplied.6.044012 |
Appears in Collections: | Aurora harvest 7 IPAS publications |
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hdl_102773.pdf | Published version | 984.08 kB | Adobe PDF | View/Open |
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