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Optics Letters

Optics Letters

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  • Vol. 23, Iss. 6 — Mar. 15, 1998
  • pp: 430–432

Four-photon absorption in the single-crystal polymer bis(paratoluene) sulfonate

Hoon Shim, Mingguo Liu, Chang Hwangbo, and George I. Stegeman  »View Author Affiliations


Optics Letters, Vol. 23, Issue 6, pp. 430-432 (1998)
http://dx.doi.org/10.1364/OL.23.000430


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Abstract

Strong four-photon absorption corresponding to Im[x(7) (-; , -, , -, , -, )] has been measured for the first time to the authors' knowledge with 100-fs pulses at 1600 nm in the single-crystal polymer poly[bis (p-toluene sulfonate)] of 2, 4-hexadiyne-1, 6-diol. The transition involved is from the even-symmetry ground state into the vibronic subband of the dominant, even-symmetry, excited two-photon state at an energy of 2.7 eV.

© 1998 Optical Society of America

OCIS Codes
(160.4330) Materials : Nonlinear optical materials
(160.5470) Materials : Polymers
(190.4180) Nonlinear optics : Multiphoton processes

Citation
Hoon Shim, Mingguo Liu, Chang Hwangbo, and George I. Stegeman, "Four-photon absorption in the single-crystal polymer bis(paratoluene) sulfonate," Opt. Lett. 23, 430-432 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-6-430

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