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Title: Synthesis and nonlinear optical characterization of new 1,3,4-oxadiazoles
Authors: Chandrakantha, B.
Isloor, Arun M.
Philip, Reji
Shetty, Prakash
Vijesh, A.M.
Keywords: 1,3,4-Oxadiazole
nonlinear properties
z-scan – optical limiting
Issue Date: Jul-2011
Publisher: Indian Academy of Sciences, Bangalore
Citation: Bulletin of Materials Science, 2011, Vol. 34, p887.
Abstract: A new series of 1,3,4-oxadiazole derivatives containing 2-fluoro-4-methoxy phenyl were synthesized by refluxing mixture of acid hydrazide 3 with different aromatic carboxylic acids (a–e) in phosphorous oxychloride. These newly synthesized compounds were characterized by NMR, mass spectral, and IR spectral studies, and also by C, H, N analyses. The open-aperture z-scan experiment was employed to measure the optical nonlinearity of the samples at 532 nm, using 5 ns laser pulses. The measurements indicate that compound 4a, which contains Bromine, behaves as an optical limiter at this wavelength, with potential applications in optoelectronics.
Description: Open Access.
ISSN: 0250-4707
0973-7669 (electronic version)
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Copyright: 2011 Indian Academy of Sciences
Appears in Collections:Research Papers (LAMP)

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