Measurement of Topological Charges for Vortex Beams using Gradually-Changing-Period Annular Gratings

Wenkang Zou; Chunyong Yang; Jin Hou; Hao Long; Shaoping Chen

doi:10.3788/LOP56.140501

Laser & Optoelectronics Progress, Volume. 56, Issue 14, 140501(2019)

Measurement of Topological Charges for Vortex Beams using Gradually-Changing-Period Annular Gratings

Wenkang Zou^1,2, Chunyong Yang^1,2、*, Jin Hou^1,2, Hao Long^1,2, and Shaoping Chen^1,2

¹ College of Electronic and Information Engineering, South-Central University for Nationalities, Wuhan, Hubei 430074, China

² Hubei Provincial Key Laboratory of Intelligent Wireless Communications, South-Central University for Nationalities, Wuhan, Hubei 430074, China

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Wenkang Zou, Chunyong Yang, Jin Hou, Hao Long, Shaoping Chen. Measurement of Topological Charges for Vortex Beams using Gradually-Changing-Period Annular Gratings[J]. Laser & Optoelectronics Progress, 2019, 56(14): 140501

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Paper Information

Category: Diffraction and Gratings

Received: Jan. 8, 2019

Accepted: Feb. 19, 2019

Published Online: Jul. 12, 2019

The Author Email: Yang Chunyong (cyyang@mail.scuec.edu.cn)

DOI:10.3788/LOP56.140501

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology