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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 37, Iss. 14 — Jul. 15, 2012
  • pp: 2865–2867

Buffer-gas-assisted polarization spectroscopy of Li6

Nozomi Ohtsubo, Takatoshi Aoki, and Yoshio Torii  »View Author Affiliations


Optics Letters, Vol. 37, Issue 14, pp. 2865-2867 (2012)
http://dx.doi.org/10.1364/OL.37.002865


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Abstract

We report on the demonstration of Doppler-free polarization spectroscopy of the D2 line of Li6 atoms. Counterintuitively, the presence of an Ar buffer gas, in a certain pressure range, causes a drastic enhancement of the polarization rotation signal. The observed dependence of the signal amplitude on the Ar buffer pressure and the pump laser power is reproduced by calculations based on simple rate equations. We performed stable laser frequency locking using a dispersion signal obtained by polarization spectroscopy for laser cooling of Li6 atoms.

© 2012 Optical Society of America

OCIS Codes
(020.2070) Atomic and molecular physics : Effects of collisions
(260.1440) Physical optics : Birefringence
(300.6210) Spectroscopy : Spectroscopy, atomic
(300.6460) Spectroscopy : Spectroscopy, saturation
(020.3320) Atomic and molecular physics : Laser cooling

ToC Category:
Spectroscopy

History
Original Manuscript: April 23, 2012
Manuscript Accepted: May 20, 2012
Published: July 10, 2012

Citation
Nozomi Ohtsubo, Takatoshi Aoki, and Yoshio Torii, "Buffer-gas-assisted polarization spectroscopy of Li6," Opt. Lett. 37, 2865-2867 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-14-2865


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