Chinese Optics Letters, 2017, 15 (3): 030002, Published Online: Jul. 25, 2018   

Experimental determination of the azimuthal and radial mode orders of a partially coherent LGpl beam (Invited Paper)

Author Affiliations
1 College of Physics, Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215006, China
2 Key Lab of Advanced Optical Manufacturing Technologies of Jiangsu Province and Key Lab of Modern Optical Technologies of Education Ministry of China, Soochow University, Suzhou 215006, China
Abstract
It is known that one can determine the mode orders (i.e., the azimuthal order and radial order) of a partially coherent LGpl beam (i.e., a partially coherent vortex beam) based on the measurement of the cross-correlation function (CCF) and the double correlation function (DCF) together. The technique for measuring the CCF is known. In this Letter, we propose a method for measuring the DCF. Based on the proposed method, the determination of the mode orders of a partially coherent LGpl beam is demonstrated experimentally.

Xianlong Liu, Tengfei Wu, Lin Liu, Chengliang Zhao, Yangjian Cai. Experimental determination of the azimuthal and radial mode orders of a partially coherent LGpl beam (Invited Paper)[J]. Chinese Optics Letters, 2017, 15(3): 030002.

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