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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 21, Iss. 6 — Jun. 1, 2004
  • pp: 1234–1240

Nonlinear-absorbing fiber array for large-dynamic-range optical limiting application against intense short laser pulses

Iam Choon Khoo, Andres Diaz, and Jianwu Ding  »View Author Affiliations


JOSA B, Vol. 21, Issue 6, pp. 1234-1240 (2004)
http://dx.doi.org/10.1364/JOSAB.21.001234


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Abstract

A complete quantitative description of a nonlinear fiber array for optical limiting application against laser pulses in the picosecond–nanosecond regime is presented. We discuss the dynamics of the molecular photonic processes accompanying the propagation of a laser pulse through the fiber core made of materials that possess reverse saturable absorption, two-photon absorption (TPA), and excited-state absorption (ESA), and we detail the optical limiting effectiveness and limitations of these nonlinear absorption processes individually and in concert. In particular, we demonstrate the importance of excited-state population recycling in extending the dynamic range of the limiting action. Experimental results obtained from a particular fiber core material that possesses TPA and ESA show good agreement with theoretical expectations and demonstrate the optical limiting capability of such a nonlinear fiber array.

© 2004 Optical Society of America

OCIS Codes
(190.4180) Nonlinear optics : Multiphoton processes
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.4710) Nonlinear optics : Optical nonlinearities in organic materials
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons

Citation
Iam Choon Khoo, Andres Diaz, and Jianwu Ding, "Nonlinear-absorbing fiber array for large-dynamic-range optical limiting application against intense short laser pulses," J. Opt. Soc. Am. B 21, 1234-1240 (2004)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-21-6-1234

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