Perfect Talbot self-imaging effect of aperiodic gratings

Author:

Yao Yizheng,Sun Xuhui,Ma Yibing,Wang Tong,Wu Gan,Chen Huan,Gao Bing,Wang Chenglong,Wu Hao1,Zhang Chao,Qin Yiqiang

Affiliation:

1. Nanjing University

Abstract

We propose and investigate a class of aperiodic grating structure which can achieve perfect Talbot effect under certain conditions. The aperiodic grating structure is obtained by the superposition of two or more sine terms. In the case of two sine terms, the Talbot effect can be realized when the period ratio of two terms is arbitrary. While in the case of more than two sine terms, the period ratios of each term must meet certain extra conditions. The theory has been further verified by numerical simulations. It expands the field of Talbot effect and is of potential significance for subsequent research applications such as optical imaging and measurement.

Funder

Priority Academic Program Development of Jiangsu Higher Education Institutions

Natural Science Foundation of Jiangsu Province

National Natural Science Foundation of China

National Key Research and Development Program of China

Publisher

Optica Publishing Group

Subject

Atomic and Molecular Physics, and Optics

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