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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 31, Iss. 9 — Sep. 1, 2014
  • pp: 2208–2213

Influence of nonlinear effects on the three-photon excitation of L-Tryptophan in water using phase-shaped pulses

Alexander Patas, Georg Achazi, Christopher Winta, and Albrecht Lindinger  »View Author Affiliations


JOSA B, Vol. 31, Issue 9, pp. 2208-2213 (2014)
http://dx.doi.org/10.1364/JOSAB.31.002208


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Abstract

We show that nonlinear effects like self-phase modulation in a sample have to be considered for phase control of three-photon excitations. Furthermore, we demonstrate the control of three-photon excitation of L-Tryptophan in water using a pulse-shaping setup. Simulations of the propagation of the laser pulses in the cuvette exhibit good agreement with the experimental fluorescence scans at different laser intensities and show large discrepancies when neglecting nonlinear effects prior to the three-photon process. This can lead to improvements in selective excitation of amino acids by a near-infrared femtosecond laser source.

© 2014 Optical Society of America

OCIS Codes
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(300.2530) Spectroscopy : Fluorescence, laser-induced
(300.6410) Spectroscopy : Spectroscopy, multiphoton
(320.5540) Ultrafast optics : Pulse shaping

ToC Category:
Spectroscopy

History
Original Manuscript: April 1, 2014
Revised Manuscript: June 19, 2014
Manuscript Accepted: June 22, 2014
Published: August 26, 2014

Virtual Issues
Vol. 9, Iss. 11 Virtual Journal for Biomedical Optics

Citation
Alexander Patas, Georg Achazi, Christopher Winta, and Albrecht Lindinger, "Influence of nonlinear effects on the three-photon excitation of L-Tryptophan in water using phase-shaped pulses," J. Opt. Soc. Am. B 31, 2208-2213 (2014)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-31-9-2208

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