Increased dose efficiency of breast CT with grating interferometry

M Rawlik, A Pereira, S Spindler, Z Wang, L Romano… - Optica, 2023 - opg.optica.org
Refraction-based x-ray imaging can overcome the fundamental contrast limit of computed
tomography (CT), particularly in soft tissue, but so far has been constrained to high-dose ex …

Extreme bottom-up gold filling of high aspect ratio features

D Josell, TP Moffat - Accounts of Chemical Research, 2023 - ACS Publications
Conspectus Where copper interconnects fabricated using superconformal electrodeposition
processes have enabled dramatic advances in microelectronics over the past quarter …

X-ray phase-contrast microtomography of soft tissues using a compact laboratory system with two-directional sensitivity

C Navarrete-León, A Doherty, S Savvidis, MFM Gerli… - Optica, 2023 - opg.optica.org
X-ray microtomography is a nondestructive, three-dimensional inspection technique applied
across a vast range of fields and disciplines, ranging from research to industrial …

Real-time X-ray phase-contrast imaging using SPINNet—a speckle-based phase-contrast imaging neural network

Z Qiao, X Shi, Y Yao, MJ Wojcik, L Rebuffi… - Optica, 2022 - opg.optica.org
X-ray phase-contrast imaging has become indispensable for visualizing samples with low
absorption contrast. In this regard, speckle-based techniques have shown significant …

[HTML][HTML] Fabrication of x-ray gratings for interferometric imaging by conformal seedless gold electroplating

K Jefimovs, J Vila-Comamala, C Arboleda, Z Wang… - Micromachines, 2021 - mdpi.com
We present a method to produce small pitch gratings for X-ray interferometric imaging
applications, allowing the phase sensitivity to be increased and/or the length of the …

[HTML][HTML] High aspect ratio tilted gratings through local electric field modulation in plasma etching

Z Shi, K Jefimovs, A La Magna, M Stampanoni… - Applied Surface …, 2022 - Elsevier
The anisotropic nature of plasma etching is usually exploited to realize vertical nano-/micro-
silicon structures by deep reactive ion etching. However, some applications require tilted …

[HTML][HTML] The choice of an autocorrelation length in dark-field lung imaging

S Spindler, D Etter, M Rawlik, M Polikarpov… - Scientific Reports, 2023 - nature.com
Respiratory diseases are one of the most common causes of death, and their early detection
is crucial for prompt treatment. X-ray dark-field radiography (XDFR) is a promising tool to …

[HTML][HTML] PEPI Lab: a flexible compact multi-modal setup for X-ray phase-contrast and spectral imaging

L Brombal, F Arfelli, RH Menk, L Rigon, F Brun - Scientific Reports, 2023 - nature.com
This paper presents a new flexible compact multi-modal imaging setup referred to as PEPI
(Photon-counting Edge-illumination Phase-contrast imaging) Lab, which is based on the …

[HTML][HTML] Semi-classical Monte Carlo algorithm for the simulation of X-ray grating interferometry

S Tessarini, MK Fix, P Manser, W Volken, D Frei… - Scientific reports, 2022 - nature.com
Traditional simulation techniques such as wave optics methods and Monte Carlo (MC)
particle transport cannot model both interference and inelastic scattering phenomena within …

Improved resolution in x-ray tomography by super-resolution

T Dreier, N Peruzzi, U Lundström, M Bech - Applied Optics, 2021 - opg.optica.org
In this paper, super-resolution imaging is described and evaluated for x-ray tomography and
is compared with standard tomography and upscaling during reconstruction. Blurring is …