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The theoretical study and numerical simulation of the tunable two-dimensional hexagonal phase array based on Talbot effect

Chen Yun-Lin Li Yuan-An Li Hai-Wei Zhou Bo

The theoretical study and numerical simulation of the tunable two-dimensional hexagonal phase array based on Talbot effect

Chen Yun-Lin, Li Yuan-An, Li Hai-Wei, Zhou Bo
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  • Received Date:  09 March 2009
  • Accepted Date:  22 June 2009
  • Published Online:  15 March 2010

The theoretical study and numerical simulation of the tunable two-dimensional hexagonal phase array based on Talbot effect

  • 1. (1)北京交通大学理学院,北京 100044; (2)北京交通大学理学院,北京 100044;南开大学物理科学学院,天津 300071

Abstract: In this paper, on the basis of Talbot effect and using numerical simulation, we analyzed the two-dimensional amplitude and fixed- phase-difference arrays and found that these arrays can easily be affected by temperature, and the intensity distribution at z position behind them can’t be tuned. To solve the problem, an external electric field is used to tune the phase-difference of the phase array. We derived a theoretical model which realizes uniform distribution of light intensity via the application of an external electric field to tune the phase-difference, and the model agreed with Paturzo’s experimental results. The result make a good foundation for the research of new kinds of arrays.

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