Related Experiment Video
Updated: Mar 29, 2026
06:53
Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F−
Published on: July 27, 2018
9.3K
Study of imaging plate detector sensitivity to 5-18 MeV electrons
G Boutoux1, N Rabhi1, D Batani1
1Univ. de Bordeaux, CNRS, CEA, CELIA (Centre Lasers Intenses et Applications), UMR 5107, F-33405 Talence, France.
The Review of Scientific Instruments
|December 3, 2015
Summary
This study calibrated imaging plates (IPs) for electron detection in laser-plasma experiments. Results show IP stacks enhance detection efficiency and offer material-independent responses, crucial for PETAL diagnostics.
Area of Science:
- Nuclear Physics and Instrumentation
- Laser-Plasma Physics Diagnostics
Background:
- Imaging plates (IPs) are essential passive detectors in laser-plasma experiments.
- Accurate calibration is needed for reliable data acquisition in high-energy physics.
- PETawatt Aquitaine Laser (PETAL) requires advanced diagnostic tools for its experiments.
Purpose of the Study:
- To calibrate five types of imaging plates (MS-SR-TR-MP-ND) for electron detection.
- To evaluate the performance of IP stacks for enhanced detection efficiency and material independence.
- To characterize the fading properties of IPs over several days.
Main Methods:
- Calibration of imaging plates using a 5-18 MeV electron beam at the ELSA facility.
- Investigation of IP stacks to assess detection efficiency and reduce material dependency.
- Measurement of IP fading functions from minutes to days.
- Comparison of experimental results with GEANT4 simulations.
Main Results:
- Detailed calibration curves for five IP types exposed to electrons from 5 to 18 MeV.
- Demonstrated increased detection efficiency and reduced sensitivity to surrounding materials using IP stacks.
- Quantified fading characteristics of IPs over extended periods.
Conclusions:
- The study provides a comprehensive characterization of IP response to electrons within the PETAL energy range.
- IP stacks offer a promising solution for improved diagnostics in laser-plasma experiments.
- GEANT4 simulations accurately predict IP behavior, aiding future diagnostic development.
Related Concept Videos
01:29Determination of Crystal Structures
104
In the late 1800s, the revelation that light extended beyond visible wavelengths led to the discovery of X-rays by Wilhelm Roentgen. Recognized as high-energy electromagnetic radiation with short wavelengths, X-rays prompted exploration into their interaction with crystals. Max von Laue proposed in 1912 that the periodic arrangement of atoms, ions, or molecules in crystals would cause them to diffract X-rays, a hypothesis confirmed through experiments with copper sulfate and zinc sulfide...
104
01:07Scanning Electron Microscopy
6.0K
A scanning electron microscope (SEM) is used to study the surface features of a sample by using an electron beam that scans the sample surface in a two-dimensional manner. Typically, areas between ~1 centimeter to 5 micrometers in width can be imaged. SEM can be used to image bacteria, viruses, tissues as well as larger samples like insects. Conventional SEM gives a magnification ranging from 20X to 30,000X and spatial resolution of 50 to 100 nanometers.
Fundamental Principles
Accelerated...
Fundamental Principles
Accelerated...
6.0K
01:19Gas Chromatography: Types of Detectors-II
1.4K
In gas chromatography, different detectors are employed to meet specific analytical needs. These detectors are often categorized based on their detection mechanisms and the types of compounds they are best suited to analyze. Thermal Conductivity Detectors (TCD), Flame Ionization Detectors (FID), and Electron Capture Detectors (ECD) represent common categories, each with unique operating principles and applications. However, beyond these, several other detectors are designed for more specialized...
1.4K
01:26Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation
963
Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
There are three main types of inductively coupled plasma atomic emission spectroscopy (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used....
There are three main types of inductively coupled plasma atomic emission spectroscopy (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used....
963
01:15Transmission Electron Microscopy
7.9K
In 1931, physicist Ernst Ruska—building on the idea that magnetic fields can direct an electron beam just as lenses can direct a beam of light in an optical microscope—developed the first prototype of the electron microscope. This development led to the development of the field of electron microscopy. In the transmission electron microscope (TEM), electrons are produced by a hot tungsten element and accelerated by a potential difference in an electron gun, which gives them up to 400...
7.9K