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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 6 — Feb. 20, 2002
  • pp: 1120–1123

Upconversion fluorescence and optical power limiting effects based on the two- and three-photon absorption process of a new organic dye BPAS

Guangyong Zhou, Xiaomei Wang, Dong Wang, Zongshu Shao, and Minhua Jiang  »View Author Affiliations


Applied Optics, Vol. 41, Issue 6, pp. 1120-1123 (2002)
http://dx.doi.org/10.1364/AO.41.001120


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Abstract

A new organic dye, trans-4, 4′-bis(pyrrolidingl) stilbene (BPAS), with large two-photon absorption (TPA) and three-photon absorption (3PA) has been synthesized. The molecular TPA cross section σ2′ at 550–670 nm and the 3PA cross section σ3′ at 720–1000 nm have been measured. The biggest σ2′ and σ3′ was 5.77 × 10-47 cm4s/photon and 27 × 10-75 cm6 s2 at 600 and 980 nm, respectively. In the experiment process we found that the strongest TPA wavelength is not at two times of the strongest linear absorption wavelength, but there is some blue shift. The 3PA-induced optical power-limiting properties have also been illustrated at 980 nm.

© 2002 Optical Society of America

OCIS Codes
(190.4180) Nonlinear optics : Multiphoton processes
(190.7220) Nonlinear optics : Upconversion

History
Original Manuscript: March 5, 2001
Revised Manuscript: September 25, 2001
Published: February 20, 2002

Citation
Guangyong Zhou, Xiaomei Wang, Dong Wang, Zongshu Shao, and Minhua Jiang, "Upconversion fluorescence and optical power limiting effects based on the two- and three-photon absorption process of a new organic dye BPAS," Appl. Opt. 41, 1120-1123 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-6-1120

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