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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 9 — Sep. 1, 2012
  • pp: 2420–2424

Spin polarization of Doppler-broadened atoms by the broadband nanosecond and transform-limited picosecond laser pulses: case study for the muonium

Takashi Nakajima  »View Author Affiliations


JOSA B, Vol. 29, Issue 9, pp. 2420-2424 (2012)
http://dx.doi.org/10.1364/JOSAB.29.002420


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Abstract

We study the spin polarization of Doppler-broadened atoms by broadband nanosecond (ns) pulses, and compare the polarization efficiency with that by the transform-limited picosecond (ps) pulses that have the same spectral bandwidth. Specific calculations are performed for the case of muonium with a set of density matrix equations and with rate equations using the uncoupled basis states. We find that the polarization efficiency with the broadband ns laser pulses is rather good, although it is not as good as that with the transform-limited ps pulses. Our results imply that, depending on the available laser system, we can use either broadband ns or transform-limited ps laser pulses to polarize almost any Doppler-broadened atoms.

© 2012 Optical Society of America

OCIS Codes
(020.2930) Atomic and molecular physics : Hyperfine structure
(140.5560) Lasers and laser optics : Pumping

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: May 8, 2012
Manuscript Accepted: July 10, 2012
Published: August 16, 2012

Citation
Takashi Nakajima, "Spin polarization of Doppler-broadened atoms by the broadband nanosecond and transform-limited picosecond laser pulses: case study for the muonium," J. Opt. Soc. Am. B 29, 2420-2424 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-9-2420


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