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Spectral dispersion modeling of virtually imaged phased array by using angular spectrum of plane waves
Author(s) -
Xinrong Hu,
Qiang Sun,
Jing Li,
Chun Li,
Ying Li,
Jianzhong Zhang
Publication year - 2015
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.23.000001
Subject(s) - optics , angular spectrum method , physics , dispersion (optics) , interference (communication) , beam (structure) , gaussian , telecommunications , computer science , diffraction , channel (broadcasting) , quantum mechanics
We present an analytical treatment for the relatively new spectral disperser termed virtually imaged phased array (VIPA). Angular spectrum representation of the input Gaussian beam helps us obtain an exact analytic dispersion model and a dispersion law for a general VIPA by using the principle of multiple-beam interference. The consideration of the optical aberrations caused by refractions makes our model more accurate and practical than previous models. The validity of the proposed dispersion law has been validated theoretically by comparing with previous results. Some considerations of using a VIPA are also provided.

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