3D Imaging of twin domain defects in gold nanoparticles

A Ulvestad, JN Clark, R Harder, IK Robinson… - Nano …, 2015 - ACS Publications
Topological defects are ubiquitous in physics and include crystallographic imperfections
such as defects in condensed matter systems. Defects can determine many of the material's …

Imaging around corners in the mid-infrared using speckle correlations

S Divitt, DF Gardner, AT Watnik - Optics Express, 2020 - opg.optica.org
Speckle correlation imaging offers the ability to see objects through diffusive materials and
around corners. Imaging self-illuminating thermal objects in non-line-of-sight scenarios is of …

Three-dimensional single-shot ptychography

D Goldberger, J Barolak, CG Durfee, DE Adams - Optics Express, 2020 - opg.optica.org
Here we introduce three-dimensional single-shot ptychography (3DSSP). 3DSSP leverages
an additional constraint unique to the single-shot geometry to deconvolve multiple 2D …

Full field tabletop EUV coherent diffractive imaging in a transmission geometry

B Zhang, MD Seaberg, DE Adams, DF Gardner… - Optics …, 2013 - opg.optica.org
We demonstrate the first general tabletop EUV coherent microscope that can image
extended, non-isolated, non-periodic, objects. By implementing keyhole coherent diffractive …

Non-negativity constraints in the one-dimensional discrete-time phase retrieval problem

R Beinert - Information and Inference: A Journal of the IMA, 2017 - academic.oup.com
Phase retrieval problems occur in a wide range of applications in physics and engineering
such as crystallography, astronomy and laser optics. Common to all of them is the recovery …

[HTML][HTML] Robust phase retrieval with complexity-guidance for coherent x-ray imaging

M Butola, S Rajora, K Khare - Intelligent Computing, 2022 - spj.science.org
Reconstruction of a stable and reliable solution from noisy and incomplete Fourier intensity
data is a challenging problem for iterative phase retrieval algorithms. The typical …

[PDF][PDF] One-dimensional discrete-time phase retrieval

R Beinert, G Plonka - Nanoscale Photonic Imaging, 2020 - library.oapen.org
The phase retrieval problem has a long and rich history with applications in physics and
engineering such as crystallography, astronomy, and laser optics. Usually, the phase …

Continuously Red-Shift and Blue-Shift Wavelength-Tuneable, Narrowband, High Harmonics in the EUV-X-ray Regime for Resonance Imaging and Spectroscopies

D Popmintchev, A Imani, P Carpegiani… - arXiv preprint arXiv …, 2023 - arxiv.org
We demonstrate a novel technique for producing high-order harmonics with designer
spectral combs in the extreme ultraviolet-soft X-ray range for resonance applications using …

High-performance ultrafast pulse compression in the visible spectral range for extreme nonlinear optics at kHz-MHz repetition rates

S Wang, J Yan, S Song, A Atanassov, Z Wu… - arXiv preprint arXiv …, 2023 - arxiv.org
We demonstrate a remarkably effective single-stage compression technique for ultrafast
pulses in the visible electromagnetic spectrum using second-harmonic pulses at 515 …

Phase retrieval of the full vectorial field applied to coherent Fourier scatterometry

X Xu, AP Konijnenberg, SF Pereira, HP Urbach - Optics Express, 2017 - opg.optica.org
Coherent Fourier scatterometry is an optical metrology technique that utilizes the measured
intensity of the scattered optical field to reconstruct certain parameters of test structures …