Articles with "phase shifting" as a keyword



Broadband, Single‐Layered, and Optically Transparent Reflective Phase‐Shifting‐Surface Array for Beam Manipulation and Enhanced Wireless Communications

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Published in 2025 at "Advanced Electronic Materials"

DOI: 10.1002/aelm.202400827

Abstract: Optically transparent electromagnetic devices play a crucial role in modern society, yet conventional optically transparent millimeter‐wave devices suffer from high return loss, limited phase shift, narrow bandwidth, high profile, and low optical transparency. Current materials,… read more here.

Keywords: optically transparent; phase shifting; reflective phase; transparent reflective ... See more keywords

White light phase shifting interferometric microscopy with whole slide imaging for quantitative analysis of biological samples

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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

High‐resolution cell imaging using white light phase shifting interferometry and iterative phase deconvolution

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Published in 2024 at "Journal of Biophotonics"

DOI: 10.1002/jbio.202300499

Abstract: An optimization algorithm is presented for the deconvolution of a complex field to improve the resolution and accuracy of quantitative phase imaging (QPI). A high‐resolution phase map can be recovered by solving a constrained optimization… read more here.

Keywords: phase shifting; resolution; phase; deconvolution ... See more keywords

Adaptive investigation of the optical properties of polymer fibers from mixing noisy phase shifting microinterferograms using deep learning algorithms.

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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

Adaptive light intensity aided wavelength tuning for phase‐shifting interferometric measurement system

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Published in 2024 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.34208

Abstract: In phase‐shifting interferometric measurement system, using wavelength‐tuned phase‐shifting technology to measure optical surface can improve vibration errors. However, the wavelength‐tuned phase‐shifting interferometry is greatly challenged by nonlinear distortion between wavelength‐tuned light intensity and voltage modulation,… read more here.

Keywords: light intensity; phase; phase shifting; interferometric measurement ... See more keywords

Polarization phase-shifting lateral shearing interferometer with two polarization beam splitter plates

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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

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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
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Interferometric thickness measurement of glass plate by phase-shifting analysis using wavelength scanning with elimination of bias phase error

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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

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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

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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

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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