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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 18 — Sep. 3, 2007
  • pp: 11341–11357

Single-shot, space- and time-resolved measurement of rotational wavepacket revivals in H2, D2, N2, O2, and N2O

Y.-H. Chen, S. Varma, A. York, and H. M. Milchberg  »View Author Affiliations


Optics Express, Vol. 15, Issue 18, pp. 11341-11357 (2007)
http://dx.doi.org/10.1364/OE.15.011341


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Abstract

Femtosecond laser-induced alignment and periodic recurrences in hydrogen and deuterium are measured in a single shot for the first time, in a room temperature gas cell. Single-shot Supercontinuum Spectral Interferometry (SSSI) is employed, with measurements also performed in room temperature samples of nitrogen, oxygen, and nitrous oxide. Unlike previous optical techniques for probing molecular alignment in gases or liquids, SSSI quantitatively and directly measures the degree of molecular alignment without reliance on model fits, and it can do so with spatial resolution transverse to the pump beam. In addition, wavepacket collisional dephasing rates can be directly measured in gas samples at useful densities.

© 2007 Optical Society of America

OCIS Codes
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(020.1670) Atomic and molecular physics : Coherent optical effects
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.7100) Ultrafast optics : Ultrafast measurements

ToC Category:
Atomic and Molecular Physics

History
Original Manuscript: July 12, 2007
Revised Manuscript: August 19, 2007
Manuscript Accepted: August 20, 2007
Published: August 22, 2007

Citation
Y-H. Chen, S. Varma, A. York, and H. M. Milchberg, "Single-shot, space- and time-resolved measurement of rotational wavepacket revivals in H2, D2, N2, O2, and N2O," Opt. Express 15, 11341-11357 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-18-11341


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