Self-steering partially coherent beams | Zendy

Yahong Chen | Zendy; Sergey A. Ponomarenko | Zendy; Yangjian Cai | Zendy

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Self-steering partially coherent beams

Author(s) -

Yahong Chen,

Sergey A. Ponomarenko,

Yangjian Cai

Publication year - 2017

Publication title -

scientific reports

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.24

H-Index - 213

ISSN - 2045-2322

DOI - 10.1038/srep39957

Subject(s) - trajectory , physics , gaussian , free space , optics , angular momentum , beam steering , beam (structure) , invariant (physics) , computer science , line (geometry) , tracing , classical mechanics , geometry , mathematics , quantum mechanics , operating system

We introduce a class of shape-invariant partially coherent beams with a moving guiding center which we term self-steering partially coherent beams. The guiding center of each such beam evolves along a straight line trajectory which can be engineered to make any angle with the x -axis. We show that the straight line trajectory of the guiding center is the only option in free space due to the linear momentum conservation. We experimentally generate a particular subclass of new beams, self-steering Gaussian Schell beams and argue that they can find applications for mobile target tracing and trapped micro- and/or nanoparticle transport.

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