Upconversion Fluorescence and Optical Power Limiting Effects Based on the Two- and Three-Photon Absorption Process of a New Organic Dye BPAS
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
[Optical Society of America ]
OCIS Codes
(190.4180) Nonlinear optics : Multiphoton processes
(190.7220) Nonlinear optics : Upconversion
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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