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Updated: Jun 23, 2026

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

Performance of single-photon-counting PILATUS detector modules.

P Kraft¹, A Bergamaschi, Ch Broennimann

¹Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland. philipp.kraft@psi.ch

Journal of Synchrotron Radiation

|April 28, 2009

Summary

This summary is machine-generated.

The PILATUS detector system, designed for macromolecular crystallography, demonstrates improved sensitivity and speed in surface diffraction experiments. Its characterization shows effective charge sharing management and reliable performance.

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Last Updated: Jun 23, 2026

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

Area of Science:

* Physics
* Materials Science
* Crystallography

Background:

* The Paul Scherrer Institut developed the PILATUS detector system for macromolecular crystallography.
* This system operates in single-photon-counting mode, utilizing a silicon hybrid pixel detector.
* The Swiss Light Source (SLS) is the facility where the detector is employed.

Purpose of the Study:

* To characterize a calibrated PILATUS module using monochromatic synchrotron radiation.
* To investigate the impact of charge sharing on count rate and energy resolution.
* To evaluate the detector's performance in surface diffraction experiments, focusing on fluorescence suppression and saturation tolerance.

Main Methods:

* Monochromatic synchrotron radiation was used for detector calibration and characterization.
* Charge sharing effects on count rate and energy resolution were analyzed.
* Dead-time was determined using an attenuated direct synchrotron beam.
* Surface diffraction experiments evaluated fluorescence suppression and saturation tolerance.

Main Results:

* The PILATUS detector's dead-time was successfully determined.
* Performance evaluation in surface diffraction demonstrated significant improvements.
* The system showed enhanced sensitivity, reliability, and speed for data acquisition.

Conclusions:

* The PILATUS detector system is well-characterized for macromolecular crystallography applications.
* The detector's performance in surface diffraction experiments shows substantial advancements.
* PILATUS enhances the efficiency and accuracy of X-ray diffraction data collection.