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Proceedings Paper

Nonlinear optical response and reverse saturable absorption of rare-earth phthalocyanine in DMF solution
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Paper Abstract

Non linear optical response and reverse saturable absorption behavior of various rare earth phthalocyanines such as Nd, Eu, Sm and La in di-methyl formamide (DMF) solution were studied under high power Nd:YAG laser excitation. The size of the central metal atom of the Pc ring is found to considerably affect the nonlinear response of these systems. Excited state absorption cross sections of these systems are measured from the limiting characteristics. The SmHPc2 system yields maximum value for absorption cross-section and its potential application in DMF as a suitable optical limiter is also discussed.

Paper Details

Date Published: 1 May 2001
PDF: 5 pages
Proc. SPIE 4268, Growth, Fabrication, Devices, and Applications of Laser and Nonlinear Materials, (1 May 2001); doi: 10.1117/12.424626
Show Author Affiliations
G. Ajith Kumar, Ctr. de Investigaciones en Optica (Mexico)
Oracio Barbosa-Garcia, Ctr. de Investigaciones en Optica (Mexico)


Published in SPIE Proceedings Vol. 4268:
Growth, Fabrication, Devices, and Applications of Laser and Nonlinear Materials
Jeffrey W. Pierce; Kathleen I. Schaffers; Kathleen I. Schaffers, Editor(s)

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