White light phase shifting interferometric microscopy with whole slide imaging for quantitative analysis of biological samples
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Biophotonics"
DOI: 10.1002/jbio.202100386
Abstract: In this paper, we demonstrate the white light phase shifting interferometer employed as whole slide scanner and phase profiler for determining qualitative and quantitative information over large field‐of‐view (FOV). Experiments were performed on human erythrocytes… read more here.
Keywords: light phase; phase shifting; microscopy; white light ... See more keywords
Adaptive investigation of the optical properties of polymer fibers from mixing noisy phase shifting microinterferograms using deep learning algorithms.
Sign Up to like & getrecommendations! Published in 2021 at "Microscopy research and technique"
DOI: 10.1002/jemt.23939
Abstract: In this article, an adaptive denoising method is suggested to accurate investigate the optical and structural features of polymeric fibers from noisy phase shifting microinterferograms. The mixed class of noise that may produce in the… read more here.
Keywords: phase; shifting microinterferograms; phase shifting; noisy phase ... See more keywords
Polarization phase-shifting lateral shearing interferometer with two polarization beam splitter plates
Sign Up to like & getrecommendations! Published in 2017 at "Optical Review"
DOI: 10.1007/s10043-017-0351-x
Abstract: We proposed a compact and simple polarization phase-shifting lateral shearing interferometer using two polarization beam splitter plates (PBSP). This interferometer is composed of two PBSP, a quarter-wave plate, an analyzer and a CCD camera. With… read more here.
Keywords: polarization phase; shifting lateral; interferometer; polarization ... See more keywords
Wavelength modulation in a two-window common path interferometer for phase-shifting
Sign Up to like & getrecommendations! Published in 2018 at "Optical Review"
DOI: 10.1007/s10043-017-0404-1
Abstract: A novel and simple method for phase-shifting under the scheme of a two-window 4f common path interferometer configuration with a binary grating at the Fourier plane is proposed. The proposal is based on periodicity variations… read more here.
Keywords: phase; two window; phase shifting; common path ... See more keywords
Interferometric thickness measurement of glass plate by phase-shifting analysis using wavelength scanning with elimination of bias phase error
Sign Up to like & getrecommendations! Published in 2021 at "Optical Review"
DOI: 10.1007/s10043-020-00634-4
Abstract: Phase-shifting fringe analysis using wavelength scanning has been broadly applied to the interferometric profiling of the thickness variation of glass plates. However, the nonlinear phase shifting can cause bias error during wavelength scanning. In this… read more here.
Keywords: wavelength scanning; phase shifting; bias; error ... See more keywords
Accurate π/2-phase shifting setup for a stabilized interference pattern of light fringes
Sign Up to like & getrecommendations! Published in 2019 at "Optik"
DOI: 10.1016/j.ijleo.2018.10.090
Abstract: Abstract We report on a technique for accurately π/2-phase shifting a stabilized interference pattern of light fringes used for building up a map of phase for 2D deformation measurement. This technique is based on the… read more here.
Keywords: phase shifting; pattern light; phase; setup ... See more keywords
Phase-step retrieval for tunable phase-shifting algorithms
Sign Up to like & getrecommendations! Published in 2017 at "Optics Communications"
DOI: 10.1016/j.optcom.2017.08.045
Abstract: Abstract Phase-shifting (PS) is a well-known technique for phase retrieval in interferometry, with applications in deflectometry and 3D-profiling, which requires a series of intensity measurements with certain phase-steps. Usually the phase-steps are evenly spaced, and… read more here.
Keywords: phase; phase step; phase steps; retrieval ... See more keywords
An accurate phase shift extraction algorithm for phase shifting interferometry
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.08.005
Abstract: Abstract The accuracy of phase shift extraction has a significant influence on measurement results in surface micro-topography interferometry. Phase shifting errors are mainly caused by nonlinearity of the employed phase shifter, environmental turbulence, camera imperfection… read more here.
Keywords: phase shift; phase; shift extraction; phase shifting ... See more keywords
Phase shifting algorithms for fringe projection profilometry: A review
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2018.04.019
Abstract: Abstract The principle of structured light and triangulation is used in a wide range of 3D optical metrology applications, such as mechanical engineering, industrial monitoring, computer vision, and biomedicine. Among a multitude of techniques based… read more here.
Keywords: algorithms fringe; phase; shifting algorithms; phase shifting ... See more keywords
Generalized phase-shifting real-time holography based on photorefractive crystals
Sign Up to like & getrecommendations! Published in 2019 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2019.02.012
Abstract: Abstract This report proposes a method for measuring object phase changes in real time. This new method utilises photorefractive holographic interferometry to form a hologram that contains an object phase variation and extracts this phase… read more here.
Keywords: real time; phase shifting; shifting real; generalized phase ... See more keywords
Phase-shifting VU factorization for interferometry
Sign Up to like & getrecommendations! Published in 2020 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2019.105797
Abstract: Abstract The problem of phase recovery in phase-shifting interferometry (PSI), when the introduced phase-shifts are unknown, has been analyzed by existing methods through the modification or combination of the least-squares and the principal component analysis… read more here.
Keywords: phase shifting; interferometry; shifting factorization; factorization ... See more keywords