Synthesis and nonlinear optical characterization of new 1,3,4-oxadiazoles

  • B. Chandrakantha
  • Arun M. Isloor
  • Reji Philip
  • M. Mohesh
  • Prakash Shetty
  • A. M. Vijesh
Article

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.

Keywords

1,3,4-Oxadiazole nonlinear properties z-scan optical limiting 

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Copyright information

© Indian Academy of Sciences 2011

Authors and Affiliations

  • B. Chandrakantha
    • 1
  • Arun M. Isloor
    • 2
  • Reji Philip
    • 3
  • M. Mohesh
    • 3
  • Prakash Shetty
    • 4
  • A. M. Vijesh
    • 1
  1. 1.Syngene International LtdBangaloreIndia
  2. 2.Organic Chemistry Division, Department of ChemistryNational Institute of Technology KarnatakaSurathkal, MangaloreIndia
  3. 3.Light and Matter Physics GroupRaman Research InstituteSadashiva Nagar, BangaloreIndia
  4. 4.Department of Printing, Manipal Institute of TechnologyManipal UniversityManipalIndia

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