The problem of phase retrieval, ie, the recovery of a function given the magnitude of its
Fourier transform, arises in various fields of science and engineering, including electron …

We discuss unique features of lens-free computational imaging tools and report some of
their emerging results for wide-field on-chip microscopy, such as the achievement of a …

Non-invasive optical imaging techniques, such as optical coherence tomography,,, are
essential diagnostic tools in many disciplines, from the life sciences to nanotechnology …

Progress in imaging and metrology depends on exquisite control over and comprehensive
characterization of wave fields. As reflected in its name, coherent diffractive imaging relies …

Fourier ptychographic microscopy (FPM) is a promising and fast-growing computational
imaging technique with high resolution, wide field-of-view (FOV) and quantitative phase …

Information multiplexing is important for biomedical imaging and chemical sensing. In this
paper, we report a microscopy imaging technique, termed state-multiplexed Fourier …

Miniaturizing spectrometers for compact and cost-effective mobile platforms is a major
challenge in current spectroscopy research, where conventional spectrometers are …

The wave properties of light, particularly its coherence, are responsible for interference
effects, which can be exploited in powerful imaging applications. Coherent diffractive …

Ptychography is a particularly powerful coherent diffraction imaging technique. In
ptychography, a localized beam that illuminates the object is scanned in a step-wise fashion …

Imaging the quantum motion of electrons not only in real-time, but also in real-space is
essential to understand for example bond breaking and formation in molecules, and charge …