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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 7 — Apr. 1, 2009
  • pp: 1012–1014

Narrowband tunable filter based on velocity-selective optical pumping in an atomic vapor

Alessandro Cerè, Valentina Parigi, Marta Abad, Florian Wolfgramm, Ana Predojević, and Morgan W. Mitchell  »View Author Affiliations

Optics Letters, Vol. 34, Issue 7, pp. 1012-1014 (2009)

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We demonstrate a tunable narrowband filter based on optical-pumping-induced circular dichroism in rubidium vapor. The filter achieves a peak transmission of 14.6%, a linewidth of 80 MHz , and an out-of-band extinction of 35 dB . The transmission peak can be tuned within the range of the Doppler linewidth of the D 1 line of atomic rubidium at 795 nm . While other atomic filters work at frequencies far from absorption, the presented technique provides light resonant with atomic media, useful for atom–photon interaction experiments. The technique could readily be extended to other alkali atoms.

© 2009 Optical Society of America

OCIS Codes
(120.2440) Instrumentation, measurement, and metrology : Filters
(260.3160) Physical optics : Interference
(300.6210) Spectroscopy : Spectroscopy, atomic

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: December 11, 2008
Revised Manuscript: February 18, 2009
Manuscript Accepted: February 19, 2009
Published: March 24, 2009

Alessandro Cerè, Valentina Parigi, Marta Abad, Florian Wolfgramm, Ana Predojević, and Morgan W. Mitchell, "Narrowband tunable filter based on velocity-selective optical pumping in an atomic vapor," Opt. Lett. 34, 1012-1014 (2009)

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