Phase-Shift Extraction and Wavefront Reconstruction in Generalized Phase-Shifting Interferometry with a Standard Phase Object

• 来源期刊: 中国物理快报（英文版）
• 年，卷（期）: 2013,（9）
• 页码范围: 72-75
• 页数: 4页
• 语种: 英文
• DOI: 10.1088/0256-307X/30/9/094205

摘要

A method to extract phase shifts and reconstruct the object wave in generalized phase-shifting interferometry (GPSI) is proposed.The phase distribution of a standard phase object and the least-square method are used to extract phase shifts over a wide range from 0 to π.Consequently,the tested object wave can be further reconstructed with the extracted phase shifts.It is accurate and applicable for GPSI of any frame number N (N ≥ 2).Computer simulation has verified its feasibility and validity.