D. Comotti
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View article: A pixelated x-ray detector for diffraction imaging at next-generation high-rate FEL sources
A pixelated x-ray detector for diffraction imaging at next-generation high-rate FEL sources Open
The PixFEL collaboration has developed the building blocks for an X-ray imager to be used in applications at FELs. In particular, slim edge pixel detectors with high detection efficiency over a broad energy range, from 1 to 12 keV, have be…
View article: Static and Dynamic Accuracy of an Innovative Miniaturized Wearable Platform for Short Range Distance Measurements for Human Movement Applications
Static and Dynamic Accuracy of an Innovative Miniaturized Wearable Platform for Short Range Distance Measurements for Human Movement Applications Open
Magneto-inertial measurement units (MIMU) are a suitable solution to assess human motor performance both indoors and outdoors. However, relevant quantities such as step width and base of support, which play an important role in gait stabil…
View article: PFM2: A 32 × 32 readout chip for the PixFEL X-ray imager demonstrator
PFM2: A 32 × 32 readout chip for the PixFEL X-ray imager demonstrator Open
A readout chip, consisting of 32×32 square cells, has been designed in a 65 nm CMOS technology. The circuit will be bump bonded to a slim/active edge pixel sensor to form the first demonstrator for the PixFEL X-ray imager, envisaged for ap…
View article: A 10 bit resolution readout channel with dynamic range compression for X-ray imaging at FELs
A 10 bit resolution readout channel with dynamic range compression for X-ray imaging at FELs Open
This work presents the characterization results of the first prototype of a readout channel for silicon pixel detectors, developed by the PixFEL collaboration in view of future X-ray Free Electron Laser (FEL) applications. The circuit, fab…
View article: Dynamic Compression of the Signal in a Charge Sensitive Amplifier: From Concept to Design
Dynamic Compression of the Signal in a Charge Sensitive Amplifier: From Concept to Design Open
This work is concerned with the design of a low-noise Charge Sensitive Amplifier featuring a dynamic signal compression based on the non-linear features of an inversion-mode MOS capacitor. These features make the device suitable for applic…
View article: The PixFEL project: development of advanced X-ray pixel detectors for application at future FEL facilities
The PixFEL project: development of advanced X-ray pixel detectors for application at future FEL facilities Open
The PixFEL project aims to develop an advanced X-ray camera for imaging suited for the demanding requirements of next generation free electron laser (FEL) facilities. New technologies can be deployed to boost the performance of imaging det…