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Proceedings Paper

Measurements of second hyperpolarisabilities of diphenylpolyenes by means of phase-conjugate interferometry
Author(s): Andre P. Persoons; Bruno M. Van Wonterghem; Peter C.E. Tackx
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Paper Abstract

A nonlinear interferometer with phase conjugate mirrors was constructed to measure relative magnitude and phase of third order susceptibilities. This SWR-interferometer measured the third order susceptibilities of solutions of diphenylpolyenes (n = 1-4) in dichloroethane at 532 nm. The second hyperpolarizabilities derived from these susceptibilities are compared with the values obtained from electric field induced second harmonic generation at 1064 nm. The temporal behavior of the phase conjugated signals in the SWR-interferometer is analyzed for parallel and perpendicular polarization of the probe vs. pump laser pulses (5 nsec, 5 mJ). The role of this temporal behavior on the operation of the interferometer is assessed.

Paper Details

Date Published: 1 June 1991
PDF: 10 pages
Proc. SPIE 1409, Nonlinear Optics II, (1 June 1991); doi: 10.1117/12.43580
Show Author Affiliations
Andre P. Persoons, Univ. of Leuven (Belgium)
Bruno M. Van Wonterghem, Univ. of Leuven (Belgium)
Peter C.E. Tackx, Univ. of Leuven (Belgium)

Published in SPIE Proceedings Vol. 1409:
Nonlinear Optics II
Robert A. Fisher; John F. Reintjes, Editor(s)

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