Detection of a spinning object with circular procession using an optical vortex beam

被引：18
|
作者：
Ding, You [1 ]
Liu, Tong [1 ]
Liu, Zengliang [1 ]
Qiu, Song [1 ]
Xu, Liyuan [1 ]
Ren, Yuan [2 ,3 ]
机构：
[1] Space Engn Univ, Dept Aerosp Sci & Technol, Beijing 101416, Peoples R China
[2] Space Engn Univ, Dept Basic Course, Beijing 101416, Peoples R China
[3] Space Engn Univ, Lab Quantum Detect & Awareness, Beijing 101416, Peoples R China
来源：
OPTICS LETTERS | 2022年 / 47卷 / 10期
基金：
中国国家自然科学基金;
关键词：
ROTATIONAL FREQUENCY-SHIFT; DOPPLER;
D O I：
10.1364/OL.458270
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The rotational Doppler effect (RDE) provides an efficient way to measure rotational frequency using an optical vortex beam. Crucially, most research based on the RDE just involves a spinning object or a spinning object coupled with a longitudinal velocity along the beam propagation. We analyze the interaction mechanism between optical orbital angular momentum and a spinning object with circular procession and experimentally demonstrate simultaneous measurements of two rotational frequencies. This technique broadens application of the RDE, in optical metrology and remote detection of targets with micro-motions. (C) 2022 Optica Publishing Group
引用
收藏
页码：2398 / 2401
页数：4
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