[HTML][HTML] Transport of intensity equation: a tutorial

C Zuo, J Li, J Sun, Y Fan, J Zhang, L Lu… - Optics and Lasers in …, 2020 - Elsevier
When it comes to “phase measurement” or “quantitative phase imaging”, many people will
automatically connect them with “laser” and “interferometry”. Indeed, conventional …

Coherent methods in the X-ray sciences

KA Nugent - Advances in Physics, 2010 - Taylor & Francis
X-ray sources are developing rapidly and their coherent output is growing correspondingly.
The increased coherent flux from modern X-ray sources is being matched with an …

High-resolution transport-of-intensity quantitative phase microscopy with annular illumination

C Zuo, J Sun, J Li, J Zhang, A Asundi, Q Chen - Scientific reports, 2017 - nature.com
For quantitative phase imaging (QPI) based on transport-of-intensity equation (TIE), partially
coherent illumination provides speckle-free imaging, compatibility with brightfield …

Attenuation, scattering, and absorption of ultrasound in the skull bone

G Pinton, JF Aubry, E Bossy, M Muller… - Medical …, 2012 - Wiley Online Library
Purpose: Measured values of ultrasound attenuation in bone represent a combination of
different loss mechanisms. As a wave is transmitted from a fluid into bone, reflections occur …

High-speed transport-of-intensity phase microscopy with an electrically tunable lens

C Zuo, Q Chen, W Qu, A Asundi - Optics express, 2013 - opg.optica.org
We present a high-speed transport-of-intensity equation (TIE) quantitative phase microscopy
technique, named TL-TIE, by combining an electrically tunable lens with a conventional …

Transport of intensity phase imaging by intensity spectrum fitting of exponentially spaced defocus planes

Z Jingshan, RA Claus, J Dauwels, L Tian, L Waller - Optics express, 2014 - opg.optica.org
We propose an alternative method for solving the Transport of Intensity equation (TIE) from a
stack of through–focus intensity images taken by a microscope or lensless imager. Our …

Three-dimensional synchrotron virtual paleohistology: a new insight into the world of fossil bone microstructures

S Sanchez, PE Ahlberg, KM Trinajstic… - Microscopy and …, 2012 - academic.oup.com
The recent developments of phase-contrast synchrotron imaging techniques have been of
great interest for paleontologists, providing three-dimensional (3D) tomographic images of …

2D and 3D X-ray phase retrieval of multi-material objects using a single defocus distance

MA Beltran, DM Paganin, K Uesugi, MJ Kitchen - Optics Express, 2010 - opg.optica.org
A method of tomographic phase retrieval is developed for multi-material objects whose
components each has a distinct complex refractive index. The phase-retrieval algorithm …

Quantitative comparison of direct phase retrieval algorithms in in‐line phase tomography

M Langer, P Cloetens, JP Guigay, F Peyrin - Medical physics, 2008 - Wiley Online Library
A well‐known problem in x‐ray microcomputed tomography is low sensitivity. Phase contrast
imaging offers an increase of sensitivity of up to a factor of in the hard x‐ray region, which …

X-ray phase contrast imaging from synchrotron to conventional sources: A review of the existing techniques for biological applications

L Quenot, S Bohic, E Brun - Applied Sciences, 2022 - mdpi.com
Featured Application X-ray phase contrast and dark-field imaging have been recently
introduced in conventional systems. They have been demonstrated to outperform the …