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Transient response of nonlinear magneto-optic rotation in a paraffin-coated Rb vapor cell

Momeen, M Ummal and Rangarajan, Govindan and Natarajan, Vasant (2010) Transient response of nonlinear magneto-optic rotation in a paraffin-coated Rb vapor cell. In: Physical Review A, 81 (1).

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Abstract

We study resonant nonlinear magneto-optic rotation (NMOR) in a paraffin-coated Rb vapor cell as the magnetic field is swept. At low sweep rates, the nonlinear rotation appears as a narrow resonance signal with a linewidth of about ``300 mu G''(2 pi x 420 Hz). At high sweep rates, the signal shows transient response with an oscillatory decay. The decay time constant is of order 100 ms. The behavior is different for transitions starting from the lower or the upper hyperfine level of the ground state because of optical pumping effects.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to The American Physical Society.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 24 Feb 2010 06:56
Last Modified: 19 Sep 2010 05:55
URI: http://eprints.iisc.ernet.in/id/eprint/25828

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