J4 ›› 2012, Vol. 29 ›› Issue (5): 629-636.

• Optical Communication • Previous Articles     Next Articles

Simulating and optimizing of Fresnel lens in visible light communications

XU Ning1, XU Dan-tong1, YANG Geng2，SUN Xiao-yun 1   

  1. 1College of Opto-Electronic Engineering, Nanjing University of Posts & Telecommunications, Nanjing  210003, China;
    2 College of Computer Science, Nanjing University of Posts & Telecommunications, Nanjing, 210003, China
  • Received:2011-09-13 Revised:2012-09-02 Published:2012-09-28 Online:2012-09-02

Abstract:

Visible light communication is a novel wireless optical communication technology based on white LED fabricating techniques. It has some advantages, such as the high emitting power, no electromagnetic interference and so on. Compared with traditional lens, Fresnel lens can be used in design of an optical reception antenna to reduce cost, thickness of lens and focal length. This paper addresses the designing, simulating and optimizing of Fresnel lens. It analyzes the technique requirements and presents methods for design, simulation and parameters setting. It gives also some simulating results and performance analysis. By using optimization, it can reach a good performance. It obtains a light collection rate at about 90% and ensures the F number<1 under the condition where the size of the detector is 1.5×1.5mm2, which could support the antenna design.

Key words: visible light communication, Fresnel lens, design optimization, Zemax package

CLC Number: 

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