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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 36, Iss. 15 — May. 20, 1997
  • pp: 3387–3392

Optical limiting, pulse reshaping, and stabilization with a nonlinear absorptive fiber system

Guang S. He, Lixiang Yuan, Jayant D. Bhawalkar, and Paras N. Prasad  »View Author Affiliations


Applied Optics, Vol. 36, Issue 15, pp. 3387-3392 (1997)
http://dx.doi.org/10.1364/AO.36.003387


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Abstract

Optical limiting, pulse reshaping, and stabilization effects have been demonstrated based on a two-photon absorption mechanism with a dye-solution-filled hollow fiber system. The nonlinear absorptive medium is the solution of a new dye, trans-4-[p-(N-hydroxyethyl-N-methylamino)styryl]-N-methylpyridinium iodide (ASPI) in dimethyl sulfoxide, with which we filled a 20-cm-long quartz hollow fiber of 100-µm internal diameter. The input optical signal was a laser pulse train that contained ∼30 pulses of 130-ps pulse width. When the input peak intensity reached 400–1000-MW/cm2 levels, obvious optical limiting could be observed and the envelope of the transmitted pulse train became flatter and broader. By using another new dye solution, 4-[N-(2-hydroxyethyl)-N-(methyl)amino phenyl]-4′-(6-hydroxyhexyl sulfonyl)-stilbene (APSS) in benzyl alcohol, which interacted with a series of ∼800-nm laser pulses of ∼8-ns pulse width, we obtained a much higher nonlinear absorption coefficient and a superior optical peak-power stabilization effect.

© 1997 Optical Society of America

History
Original Manuscript: November 2, 1995
Revised Manuscript: July 26, 1996
Published: May 20, 1997

Citation
Guang S. He, Lixiang Yuan, Jayant D. Bhawalkar, and Paras N. Prasad, "Optical limiting, pulse reshaping, and stabilization with a nonlinear absorptive fiber system," Appl. Opt. 36, 3387-3392 (1997)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-36-15-3387

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