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Phase retrieval in generalized optical interferometry systems
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DOI：10.1364/OE.26.002191.png)
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摘要
En 中文
Modal analysis of an optical field via generalized interferometry (GI) is a novel technique that treats said field as a linear superposition of transverse modes and recovers the amplitudes of modal weighting coefficients. We use phase retrieval by nonlinear optimization to recover the phase of these modal weighting coefficients. Information diversity increases the robustness of the algorithm by better constraining the solution. Additionally, multiple sets of random starting phase values assist the algorithm in overcoming local minima. The algorithm was able to recover nearly all coefficient phases for simulated fields c onsisting of up to 21 superpositioned Hermite Gaussian modes from simulated data and proved to be resilient to shot noise. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Keyword:
ORBITAL ANGULAR-MOMENTUM
FRACTIONAL FOURIER
MODAL-ANALYSIS
ALGORITHMS
BEAMS
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IF:
3.3
论文数:
6.1W
被引数:
14.3W
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