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Experimental study of linear and non linear optical properties of thin graphene layers

A. ZOUHAIR1, S. HARIR1, M. BENNAI1, K. ABDERRAFI2, A. MIGALSKA-ZALAS3,* , Y. BOUGHALEB1,4,5,*

Affiliation

  1. Laboratoire de Physique de la Matière Condensée (URAC10), Faculté des Sciences Ben M. Sik, Université Hassan II-Mohammedia, Morocco
  2. UMDO - Unidad Asociada a CSIC-IMM, Instituto de Ciencia de los Materiales, Universidad de Valencia, P.O. Box 22085, 46071 Valencia, Spain
  3. Institute of Physics, Jan Dlugosz University, Armii Krajowej 13/15, Czestochowa, Poland
  4. Ecole Normale Supérieure, Université Hassan II Casablanca, Morocco
  5. Hassan II Academy of Sciences and Technology, Morocco

Abstract

Non linear optical properties of few grapheme layers were examined by Z-scan technique. We had prepared thin graphene layers by the exfoliation method. Then, we used an atomic force microscope (AFM) to verify that our prepared samples contain only very few layers. Finally, the study of linear optical properties allowed us to deduce that the graphene is completely transparent. Whereas, the study of its non linear optical properties showed that its Kerr refractive index is about 10-7 cmW-1..

Keywords

Graphene layers, Non linear optical properties, Z scan technique, Transmittance.

Citation

A. ZOUHAIR, S. HARIR, M. BENNAI, K. ABDERRAFI, A. MIGALSKA-ZALAS, Y. BOUGHALEB, Experimental study of linear and non linear optical properties of thin graphene layers, Optoelectronics and Advanced Materials - Rapid Communications, 8, 3-4, March-April 2014, pp.171-174 (2014).

Submitted at: Dec. 18, 2013

Accepted at: March 13, 2014