Phase recovery method in digital holographic interferometry using high-resolution signal parameter estimation

被引：8
|
作者：
Vishnoi, Ankur [1 ]
Ramaiah, Jagadesh [1 ]
Rajshekhar, Gannavarpu [1 ,2 ]
机构：
[1] Indian Inst Technol, Dept Elect Engn, Kanpur 208016, Uttar Pradesh, India
[2] Indian Inst Technol, Ctr Lasers & Photon, Kanpur 208016, Uttar Pradesh, India
来源：
APPLIED OPTICS | 2019年 / 58卷 / 06期
关键词：
FRINGE-PATTERN-ANALYSIS; FOURIER-TRANSFORM; SPACE;
D O I：
10.1364/AO.58.001485
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper proposes a method for reliable estimation of phase in digital holographic interferometry. The method is based on analyzing the interference field signal locally using a high-resolution signal subspace technique. The proposed method offers single-shot phase retrieval ability and high robustness against severe noise. The performance of the method is tested for phase extraction using numerical simulations. Further, the practical applicability of the method is validated for experimental fringe patterns obtained in digital holographic interferometry. (C) 2019 Optical Society of America
引用
收藏
页码：1485 / 1490
页数：6
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