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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/088/01/0002

    • Keywords

       

      Graphene; terahertz radiation; surface conductivity; phase contrast microscopy; transmission function.

    • Abstract

       

      Although it is important for the study of graphene, identifying and characterizing the number of graphene layers is challenging. In this paper, we calculate graphene’s transmission.The result shows that the phase change is more sensitive than the intensity change when light passes through graphene in some THz frequencies. Based on this fact, a simple route is presented for identifying the single or few layers of graphene sheets by using terahertz phase contrast microscopy (TPCM). The route is fast, and easy to be carried out.

    • Author Affiliations

       

      ZHIKUN LIU1 YANAN XIE1 LI GENG1 DENGKE PAN1 PAN SONG1

      1. School of Communication and Information Engineering, Key Laboratory of Specialty Fibre Optics and Optical Access Networks, Shanghai University, Shanghai 200072, China
    • Dates

       
  • Pramana – Journal of Physics | News

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