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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. 28, Iss. 5 — May. 1, 2011
  • pp: 1043–1050

Development of real-time vibrational spectroscopy of molecules in electronic excited states: toward mapping molecular potential energy hypersurfaces

Takahiro Teramoto, Juan Du, Zhuan Wang, Jun Liu, Eiji Tokunaga, and Takayoshi Kobayashi  »View Author Affiliations


JOSA B, Vol. 28, Issue 5, pp. 1043-1050 (2011)
http://dx.doi.org/10.1364/JOSAB.28.001043


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Abstract

We have developed an experimental system for real-time vibrational spectroscopy of molecules in a specific electronic excited state. A synchronized UV light source and a few-cycle visible laser pulse were utilized to prepare and investigate the ultrafast dynamics of molecules in the electronic excited states. A multichannel lock-in amplifier detection system operating in a tandem double lock-in detection mode was used to extract the signal correlated only to the UV and visible pump pulses. Real-time vibrational spectroscopy of chrysene in the triplet state and 1 , 3 -dihydro- 1 , 3 , 3 -trimethyl-6-nitrospiro [2H-1-benzopyran-2, 2 -(2H)-indole] in a photochromic state was demonstrated.

© 2011 Optical Society of America

OCIS Codes
(300.6250) Spectroscopy : Spectroscopy, condensed matter
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors
(320.7150) Ultrafast optics : Ultrafast spectroscopy

ToC Category:
Ultrafast Optics

History
Original Manuscript: December 20, 2010
Revised Manuscript: February 28, 2011
Manuscript Accepted: February 28, 2011
Published: April 12, 2011

Citation
Takahiro Teramoto, Juan Du, Zhuan Wang, Jun Liu, Eiji Tokunaga, and Takayoshi Kobayashi, "Development of real-time vibrational spectroscopy of molecules in electronic excited states: toward mapping molecular potential energy hypersurfaces," J. Opt. Soc. Am. B 28, 1043-1050 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-5-1043

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