Low-frequency shift Raman spectroscopy using atomic filters

Xiaobo Xue, Corey Janisch, Yizhu Chen, Zhiwen Liu, Jingbiao Chen

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A Faraday anomalous dispersion optical filter (FADOF) and an atomic resonant absorption filter are used in tandem to demonstrate a low-frequency shift Raman measurement down to few cm-1. The FADOF, with an ultralow bandwidth of 0.08 cm-1 at 780 nm, serves as a bandpass filter, while the rubidium atomic cell acts as a notch filter which has a bandwidth of 0.3 cm-1. A proof-of-concept study to measure a Raman signal generated from a silica optical fiber is performed, demonstrating a low-frequency measurement of both the Stokes and the anti-Stokes shift down to 3 cm-1 at an equivalent signal level. These results indicate the prospect for gigahertz-terahertz low-energy Raman spectroscopy based on atomic filters.

Original languageEnglish (US)
Pages (from-to)5397-5400
Number of pages4
JournalOptics Letters
Volume41
Issue number22
DOIs
StatePublished - Nov 15 2016

Fingerprint

frequency shift
Raman spectroscopy
optical filters
low frequencies
filters
bandwidth
frequency measurement
notches
rubidium
bandpass filters
optical fibers
silicon dioxide
shift
cells
energy

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Xue, Xiaobo ; Janisch, Corey ; Chen, Yizhu ; Liu, Zhiwen ; Chen, Jingbiao. / Low-frequency shift Raman spectroscopy using atomic filters. In: Optics Letters. 2016 ; Vol. 41, No. 22. pp. 5397-5400.
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Xue, X, Janisch, C, Chen, Y, Liu, Z & Chen, J 2016, 'Low-frequency shift Raman spectroscopy using atomic filters', Optics Letters, vol. 41, no. 22, pp. 5397-5400. https://doi.org/10.1364/OL.41.005397

Low-frequency shift Raman spectroscopy using atomic filters. / Xue, Xiaobo; Janisch, Corey; Chen, Yizhu; Liu, Zhiwen; Chen, Jingbiao.

In: Optics Letters, Vol. 41, No. 22, 15.11.2016, p. 5397-5400.

Research output: Contribution to journalArticle

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