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Title: Effect of nonlinear absorption on electric field applied lead chloride by Z-scan technique

The preparation, spectral response and optical nonlinearity of gel grown lead chloride single crystals subjected to electric field of 20V using parallel plate arrangements have been investigated. Optical band gap of the samples were determined using linear absorption spectra. Open aperture z-scan was employed for the determination of nonlinear absorption coefficient of PbCl{sub 2} solution. The normalized transmittance curve exhibits a valley shows reverse saturable absorption. The non linear absorption at different input fluences were recorded using a single Gaussian laser beam in tight focus geometry. The RSA nature of the sample makes it suitable for optical limiting applications.
Authors:
 [1] ; ; ;  [2] ;  [3]
  1. International School of Photonics, Cochin University of Science and Technology, Cochin Kerala, India and M.S.M. College, Kayamkulam, Kerala (India)
  2. International School of Photonics, Cochin University of Science and Technology, Cochin Kerala (India)
  3. M.S.M. College, Kayamkulam, Kerala (India)
Publication Date:
OSTI Identifier:
22308024
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1620; Journal Issue: 1; Conference: Optics 14: International conference on optics: Light and its interactions with matter, Calicut, Kerala (India), 19-21 Mar 2014; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ABSORPTION SPECTRA; DIAGRAMS; ELECTRIC FIELDS; ENERGY GAP; GAUSS FUNCTION; GELS; LASER RADIATION; LEAD CHLORIDES; MONOCRYSTALS; NONLINEAR PROBLEMS; OPACITY; SPECTRAL RESPONSE