Investigation of spherical aberration effects on coherent lidar performance | Zendy

Qi Hu | Zendy; Peter John Rodrigo | Zendy; Theis F. Q. Iversen | Zendy; Christian Pedersen | Zendy

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Investigation of spherical aberration effects on coherent lidar performance

Author(s) -

Qi Hu,

Peter John Rodrigo,

Theis F. Q. Iversen,

Christian Pedersen

Publication year - 2013

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.21.025670

Subject(s) - lidar , optics , truncation (statistics) , physics , telescope , spherical aberration , weighting , point spread function , remote sensing , computer science , geology , acoustics , machine learning , lens (geology)

In this paper we demonstrate experimentally the performance of a monostatic coherent lidar system under the influence of phase aberrations, especially the typically predominant spherical aberration (SA). The performance is evaluated by probing the spatial weighting function of the lidar system with different telescope configurations using a hard target. It is experimentally and numerically proven that the SA has a significant impact on lidar antenna efficiency and optimal beam truncation ratio. Furthermore, we demonstrate that both effective probing range and spatial resolution of the system are substantially influenced by SA and beam truncation.

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