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 …

This paper presents a novel method to extract the phase shift and phase distribution from
two interferograms simultaneously. By employing Hilbert–Huang transform based …

Telescopes with very large diameter or with wide fields require convex secondary mirrors
that may be many meters in diameter. The optical surfaces for these mirrors can be …

Single-camera frame instantaneous interferometry is an alternative optical test method
where environmental noise prohibits conventional phase shifting methods. For the most …

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 study, a 600-mm aperture simultaneous phase-shifting Fizeau interferometer is
presented. This interferometer has a special light source configuration produced by an …

The polarization errors of large aperture dynamic interferometers based on the polarization
phase shifting method are mainly coming from the effects of imperfect polarized elements …

With the development of high-power lasers for aerospace, electronics, etc., the demand for
large-aperture planar optical elements has become more urgent, along with the demand for …

This study demonstrates a three-cavity multiplexing vibration-resistant Fizeau interferometry
(TCM). The method injects a vibration-measurement pass (VMP), which utilizes three-cavity …

For a conventional Fizeau interferometer, accommodating both anti-vibration and
conventional measurement modes is a challenge. Here, a dual-mode Fizeau interferometer …