Single-shot phase imaging based on transport of intensity equation
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.126347
Abstract: Abstract In this paper, we demonstrate a cost effective set-up for transport of intensity equation (TIE)-based single-shot phase imaging. A Michelson interferometer like set-up has been utilized for optical implementation with light emitting diode as… read more here.
Keywords: phase imaging; transport intensity; intensity equation; single shot ... See more keywords
Measurement of acylindrical surface with transport of intensity equation.
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DOI: 10.1364/ao.444870
Abstract: High-precision aspherical cylindrical (acylindrical) lenses are difficult to directly measure because of the phase deviation in the off-axis region. To achieve rapid and non-contact measurement of the acylindrical lens surface, a novel optical structure phase… read more here.
Keywords: measurement acylindrical; finite difference; surface; measurement ... See more keywords
Optical convolution for quantitative phase retrieval using the transport of intensity equation.
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DOI: 10.1364/ao.57.00a134
Abstract: Propagation-based phase imaging using the transport of intensity equation (TIE) allows rapid, deterministic phase retrieval from defocused images. However, computational solutions to the TIE suffer from significant low-frequency noise artifacts and are unique up to… read more here.
Keywords: phase; using transport; transport intensity; intensity equation ... See more keywords
Evaluation of finite difference and FFT-based solutions of the transport of intensity equation.
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DOI: 10.1364/ao.57.00a222
Abstract: A finite difference method is proposed for solving the transport of intensity equation. Simulation results show that although slower than fast Fourier transform (FFT)-based methods, finite difference methods are able to reconstruct the phase with… read more here.
Keywords: difference; fft; transport intensity; intensity equation ... See more keywords
3D particle tracking using transport of intensity equation (TIE).
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DOI: 10.1364/oe.441265
Abstract: This article presents a simple and high-speed approach for tracking colloidal spheres in three dimensions. The method uses the curvature of the wavefront as determined by the transport of intensity equation (TIE) technique. Due to… read more here.
Keywords: equation tie; transport intensity; intensity equation;
On a universal solution to the transport-of-intensity equation.
Sign Up to like & getrecommendations! Published in 2020 at "Optics letters"
DOI: 10.1364/ol.391823
Abstract: The transport-of-intensity equation (TIE) is one of the most well-known approaches for phase retrieval and quantitative phase imaging. It directly recovers the quantitative phase distribution of an optical field by through-focus intensity measurements in a… read more here.
Keywords: transport intensity; intensity equation; intensity; universal solution ... See more keywords