Home > Archive>Volume 11, Issue 2, 2015 >141-144. DOI:10.1007/s11801-015-4187-y
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Experimental measurement of scintillation index of vortex beams propagating in turbulent atmosphere
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Fujian Provincial Key Laboratory of Light Propagation and Transformation, College of Information Science & Engineering, Huaqiao University, Xiamen 361021, China

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This work has been supported by the National Natural Science Foundation of China (Nos.11304104 and 61178015), and the Promotion Program for Young and Middle-aged Teacher in Science and Technology Research of Huaqiao University (No.ZQN-PY209).

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    Abstract:

    The scintillation indices (SIs) of Gaussian beams and vortex beams propagating in turbulent atmosphere are investigated experimentally. It is shown that with the increase of propagation distance, the SI of Gaussian beam around optical axis increases gradually, but the SI of vortex beam with topological charge of 4 increases, achieves the maximum value at a fixed distance, and then decreases as the continued increase of propagation distance. The SI of vortex beam can be smaller than that of Gaussian beam under certain conditions.

    Reference
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CHEN Zi-yang, CUI Sheng-wei, ZHANG Lei, SUN Cun-zhi, XIONG Meng-su, PU Ji-xiong. Experimental measurement of scintillation index of vortex beams propagating in turbulent atmosphere[J]. Optoelectronics Letters,2015,11(2):141-144

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History
  • Received:October 10,2014
  • Revised:October 30,2014
  • Online: November 26,2015
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