Related Experiment Video
Updated: Jan 26, 2026

08:39
Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
Published on: January 28, 2019
10.4K
Longitudinal Phase-Space Manipulation with Beam-Driven Plasma Wakefields
V Shpakov1, M P Anania1, M Bellaveglia1
1Laboratori Nazionali di Frascati, Via Enrico Fermi 40, 00044 Frascati, Italy.
Physical Review Letters
|April 6, 2019
Summary
Researchers developed a new plasma wakefield method to precisely control electron beam properties. This technique tunes the beam
Area of Science:
- Accelerator Physics
- Plasma Physics
Background:
- Compact accelerator facilities are crucial for industrial, medical, and research applications.
- Achieving high-peak brightness in particle beams requires precise control over longitudinal phase space.
Purpose of the Study:
- To present a novel method for tuning the longitudinal phase space of high-brightness electron beams.
- To demonstrate the application of plasma wakefields for beam manipulation.
Main Methods:
- Utilizing plasma wakefields generated by an electron beam passing through plasma.
- Experimentally adjusting plasma density to tune the beam's time-energy correlation.
Main Results:
- Demonstrated precise control over the longitudinal phase space of high-brightness electron beams.
- Showcased the tunability of the plasma wakefield method by adjusting plasma density.
- Successfully imprinted or removed time-energy correlations on the electron beam.
Conclusions:
- The presented plasma wakefield approach offers a highly tunable solution for manipulating electron beam phase space.
- This method is essential for managing time-energy correlated beams from future plasma accelerators.
Related Concept Videos
Longitudinal Research
13.2K
Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
13.2K
Beams
1.8K
Beams are integral components of structural engineering and construction, designed to support loads applied at various points along their length. These long, straight members can be classified based on geometry, cross-section, support type, and equilibrium condition.
Based on geometry, beams can be straight, tapered, or curved. Straight beams are the most common type and have a constant cross-section throughout their length. Tapered beams, on the other hand, have a varying cross-section along...
Based on geometry, beams can be straight, tapered, or curved. Straight beams are the most common type and have a constant cross-section throughout their length. Tapered beams, on the other hand, have a varying cross-section along...
1.8K
Longitudinal Studies
494
Longitudinal studies are also widely used in other medical and social science fields. For instance, in cardiovascular research, they can monitor patients' health over decades to identify risk factors for heart disease, such as high cholesterol or smoking, and evaluate the long-term effectiveness of preventive measures. Similarly, in mental health studies, researchers might follow individuals from adolescence into adulthood to understand the development and progression of conditions like...
494
State Space Representation
547
The frequency-domain technique, commonly used in analyzing and designing feedback control systems, is effective for linear, time-invariant systems. However, it falls short when dealing with nonlinear, time-varying, and multiple-input multiple-output systems. The time-domain or state-space approach addresses these limitations by utilizing state variables to construct simultaneous, first-order differential equations, known as state equations, for an nth-order system.
Consider an RLC circuit, a...
Consider an RLC circuit, a...
547
Space Trusses
1.3K
A space truss is a three-dimensional counterpart of a planar truss. These structures consist of members connected at their ends, often utilizing ball-and-socket joints to create a stable and versatile framework. The space truss is widely used in various construction projects due to its adaptability and capacity to withstand complex loads.
At the core of a space truss lies the fundamental unit known as the tetrahedron. This structure is composed of six members that form a three-dimensional shape...
At the core of a space truss lies the fundamental unit known as the tetrahedron. This structure is composed of six members that form a three-dimensional shape...
1.3K
Phase Diagrams
49.9K
A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...
49.9K

