Home > Archive>Volume 11, Issue 4, 2015 >313-316. DOI:10.1007/s11801-015-5062-6
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Light focusing through strongly scattering media by binary amplitude modulation
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Fujian Provincial Key Laboratory of Light Propagation and Transformation, College of Information Science and Engineering, Huaqiao University, Xiamen 361021, China

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This work has been supported by the National Natural Science Foundation of China (Nos.61178015 and 11304104).

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    Abstract:

    Based on the angular spectrum method and the circular Gaussian distribution (CGD) model of scattering media, we numerically simulate light focusing through strongly scattering media. A high contrast focus in the target area is produced by using feedback optimization algorithm with binary amplitude modulation. It is possible to form the focusing with one focus or multiple foci at arbitrary areas. The influence of the number of square segments of spatial light modulation on the enhancement factor of intensity is discussed. Simulation results are found to be in good agreement with theoretical analysis for light refocusing.

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HUANG Hui-ling, SUN Cun-zhi, CHEN Zi-yang, PU Ji-xiong. Light focusing through strongly scattering media by binary amplitude modulation[J]. Optoelectronics Letters,2015,11(4):313-316

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History
  • Received:April 14,2015
  • Online: November 26,2015
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