Concept, implementations and applications of Fourier ptychography
The competition between resolution and the imaging field of view is a long-standing problem
in traditional imaging systems—they can produce either an image of a small area with fine …
in traditional imaging systems—they can produce either an image of a small area with fine …
[HTML][HTML] Transport of intensity equation: a tutorial
When it comes to “phase measurement” or “quantitative phase imaging”, many people will
automatically connect them with “laser” and “interferometry”. Indeed, conventional …
automatically connect them with “laser” and “interferometry”. Indeed, conventional …
Electron ptychography achieves atomic-resolution limits set by lattice vibrations
Transmission electron microscopes use electrons with wavelengths of a few picometers,
potentially capable of imaging individual atoms in solids at a resolution ultimately set by the …
potentially capable of imaging individual atoms in solids at a resolution ultimately set by the …
Quantitative phase imaging: recent advances and expanding potential in biomedicine
Quantitative phase imaging (QPI) is a label-free, wide-field microscopy approach with
significant opportunities for biomedical applications. QPI uses the natural phase shift of light …
significant opportunities for biomedical applications. QPI uses the natural phase shift of light …
3D intensity and phase imaging from light field measurements in an LED array microscope
Realizing high resolution across large volumes is challenging for 3D imaging techniques
with high-speed acquisition. Here, we describe a new method for 3D intensity and phase …
with high-speed acquisition. Here, we describe a new method for 3D intensity and phase …
Optical ptychography for biomedical imaging: recent progress and future directions
Ptychography is an enabling microscopy technique for both fundamental and applied
sciences. In the past decade, it has become an indispensable imaging tool in most X-ray …
sciences. In the past decade, it has become an indispensable imaging tool in most X-ray …
Diffraction tomography with Fourier ptychography
This paper presents a technique to image the complex index of refraction of a sample across
three dimensions. The only required hardware is a standard microscope and an array of …
three dimensions. The only required hardware is a standard microscope and an array of …
Subwavelength coherent imaging of periodic samples using a 13.5 nm tabletop high-harmonic light source
Coherent diffractive imaging is unique, being the only route for achieving high spatial
resolution in the extreme ultraviolet and X-ray regions, limited only by the wavelength of the …
resolution in the extreme ultraviolet and X-ray regions, limited only by the wavelength of the …
Efficient phase contrast imaging in STEM using a pixelated detector. Part 1: Experimental demonstration at atomic resolution
We demonstrate a method to achieve high efficiency phase contrast imaging in aberration
corrected scanning transmission electron microscopy (STEM) with a pixelated detector. The …
corrected scanning transmission electron microscopy (STEM) with a pixelated detector. The …
Solving Fourier ptychographic imaging problems via neural network modeling and TensorFlow
Fourier ptychography is a recently developed imaging approach for large field-of-view and
high-resolution microscopy. Here we model the Fourier ptychographic forward imaging …
high-resolution microscopy. Here we model the Fourier ptychographic forward imaging …