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Third-order optical nonlinearity of chlorin derivatives

BHANU P. SINGH

Department of Physics, Indian Institute of Technology, Bombay, Mumbai 400 076, India

Corresponding author, Department of Physics, Indian Institute of Technology, Bombay, Mumbai 400 076, India.

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R. VIJAYA

Department of Physics, Indian Institute of Technology, Bombay, Mumbai 400 076, India

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T. KUNDU

Department of Physics, Indian Institute of Technology, Bombay, Mumbai 400 076, India

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K. KANDASAMY

Department of Physics, Indian Institute of Technology, Bombay, Mumbai 400 076, India

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P. N. PUNTAMBEKAR

Department of Physics, Indian Institute of Technology, Bombay, Mumbai 400 076, India

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SHANKAR J. SHETTY

Department of Chemistry, Indian Institute of Technology, Bombay, Mumbai 400 076, India

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, and

T. S. SRIVASTAVA

Department of Chemistry, Indian Institute of Technology, Bombay, Mumbai 400 076, India

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https://doi.org/10.1002/jpp.333Cited by:4 (Source: Crossref)

Abstract

Second-order molecular hyperpolarizabilities (γ) of four tetraphenylchlorin derivatives were measured by the Z-scan technique at 784 nm in the off-resonant region and the enhancement in the hyperpolarizabilities of these derivatives in comparison to the regular porphyrins with the same external side-groups is explained on the basis of the difference in their Q-band oscillator strengths.

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