A stably acquiring and accurately demodulating interferogram is crucial for the
interferometer to achieve ultra-high precision and sensitivity measurements. In this study, a …

An advanced phase-tilt iteration method is proposed for accurate and robust phase
extraction from the interferograms with random tilt shift. The method constructs a system of …

Mismatch of interferogram parameters, such as the contrast and the fringe frequency
inconsistency, can lead to phase error in simultaneous phase-shifting interferometry. In the …

The high-precision dynamic measurement of optical surfaces in unstable environments is a
critical problem in the process of fabrication and application. In order to solve this problem, a …

A new electronic speckle pattern interferometry method is proposed to realize in situ
deformation measurements. The feature of the method is the combination of a high-speed …

摘要环境振动会在干涉测量过程中产生随机倾斜, 移相误差, 导致测量精度下降.
为了降低环境振动对移相干涉测量的影响, 提出了一种基于倾斜相位的抗振动干涉面形测量方法 …

We propose a novel phase shifting interferometry from two normalized interferograms with
random tilt phase-shift. The determination of tilt phase-shift is performed by extracting the …

The coexistence of anti-vibration and a common optical path is difficult to realize in dynamic
Fizeau interferometry. To address this problem, we propose a dynamic low-coherence …

In this Letter, dynamic phase-deforming interferometry (PDI) is proposed to solve the impact
of environmental vibration and air turbulence on the measurement accuracy. Two …

This study proposed a non-iterative phase tilt interferometry (NIPTI) for the tilt shift
calculation and phase extraction, which can solve the random tilt-shift problem caused by …