Particle Accelerator

Particle accelerators use electric and magnetic fields to accelerate charged particles (e.g., electrons, protons, or ions) to high speeds, often close to the speed of light. These accelerated particles are used for a wide range of applications, including scientific research, medical treatments, and industrial processes.

Description

Charged particles are generated by particle sources (e.g., electron gun or ion source), and they are accelerated through electric fields (in LINACs) or magnetic fields (in circular accelerators). Magnetic elements (e.g., dipoles, quadrupoles) steer and focus the particle beam, and the accelerated particles transfer their energy to a target (e.g., in cancer treatment) or collide with other particles (e.g., in particle physics experiments). The results of particle interactions are detected and analyzed using sensors and detectors. Particle Accelerators can have precise control of particle energy and beam properties, and they are widely used in a wide range of applications, from fundamental research to medical treatments.

Types

Particle accelerators come in various types, each with its own mechanism, energy range, and applications. From linear accelerators for medical treatments to synchrotrons for particle physics research, these devices play a critical role in advancing science, medicine, and industry. Particle accelerators can be categorized into several types based on their design, mechanism of acceleration, and applications. Here’s a detailed breakdown of the main types of particle accelerators:

•  Linear Accelerators (LINACs), and it has many types such as induction accelerator, DTL, proton linac, linear accelerator and RFQ, and LINAC accelerate particles in a straight-line using radiofrequency (RF) fields. Typical particles are electrons, protons, ions, and the energy range is from low to high (keV to GeV).
•  Circular accelerator, such as fixed-field alternating gradient (FFAG) accelerator, cyclotron, synchrotron, and storage ring, it uses a constant magnetic field and oscillating electric fields to accelerate particles in a spiral path. Typical particles are protons, ions, and the energy range is from low to medium (MeV to GeV) or from medium to high (GeV to TeV).
•  Electrostatic accelerator, it uses static electric fields to accelerate particles, and typical particles are electrons, protons, ions. The energy range is usually from low to medium (keV to MeV).
•  Plasma accelerator, it uses plasma waves to accelerate particles in a compact space, and typical particles are electrons, positrons with high energy.

Below is a short summary of different particle accelerators:

Particle Accelerator Types

Application

Particle accelerators are powerful tools that have revolutionized science, medicine, and industry. By accelerating charged particles to high energies, they enable groundbreaking research, advanced medical treatments, and innovative industrial processes. Understanding the different types, components, and applications of particle accelerators highlights their importance in modern technology and discovery. They are applied in the following fields:

Scientific Research

•  Particle physics, study fundamental particles and forces (e.g., Large Hadron Collider (LHC) at CERN).
•  Nuclear physics, investigate atomic nuclei and nuclear reactions.
•  Materials science, study the structure and properties of materials.

Medical Applications

•  Cancer treatment, use proton or ion beams for proton therapy or hadron therapy.
•  Medical imaging, generate isotopes for PET scans and SPECT scans.
•  Sterilization, use electron beams to sterilize medical equipment.

Industrial Applications

•  Semiconductor manufacturing, use ion beams for ion implantation.
•  Material processing, modify material properties (e.g., hardening, cross-linking).
•  Sterilization, use electron beams to sterilize food.

Energy and Environment:

•  Nuclear energy, study nuclear reactions for energy production.
•  Waste treatment, use particle beams to treat radioactive waste.

Laser Meter Insepction

Quality Control Process

Linear accelerator is extremely high-precision equipment, and each component needs to be produced exactly according to specification, so is the surface quality of high-frequency cavity. Fabmann established a very solid quality production control process with full traceability. One of the mandatory requirements is to have constant temperature workshop for the machining of cavity. Below is the key summary of production control process:

Fabrication & Material

•  Perpendicularity between the flanges at both ends of the chamber and the beam center ≤±0.05mm
•  Electrode longitudinal installation position tolerance ≤±0.03mm
•  Electrode lateral installation position tolerance ≤±0.03mm
•  Electrode modulation surface machining tolerance ≤±0.02mm
•  Support plate dimension tolerance ≤±0.02mm
•  Electrode length tolerance (+0.02~+0.05mm)
•  Cavity length tolerance ≤±0.05mm
•  Cavity inner diameter tolerance ≤±0.05mm
•  Chamber material: Cu>99.97%, O≤10PPM

Chamber Surface Quality

•  Surface roughness Ra of electrode support structure ≤0.4µm
•  Electrode surface roughness Ra ≤0.8µm
•  Cavity inner surface roughness Ra ≤0.4µm

Leackage & Pressure

•  Cooling water pressure (maintain pressure for 1 hour without pressure drop or leakage)
•  Weld leakage rate<≤1×10-10mbar·l/s
•  Chamber vacuum leak rate ≤5×10-10mbar·l/s

Copper Plating

•  Copper plating thickness (based upon SS304 or SS316)15-30μm

Machining & Test Temperature

•  Workshop temperature: 25±0.5℃

Fabmann perform a comprehensive inspection according to well-designed QCP for each component and after assembly, and we share all our inspection documents with our clients before delivery.

Custom Service & Product Range

Fabmann specializes in custom fabrication of precision components and systems for advanced scientific and industrial applications, including Linear Accelerators (LINACs). With experience in engineering and manufacturing, we deliver high-quality solutions tailored to meet the unique needs of our clients. We offer fully customized fabrication services for LINACs, ensuring that every component meets the exact specifications of your project. Our capabilities include:

•  Precision machining of RF cavities and accelerating structures.
•  Advanced materials selection for high-performance and durability.
•  Surface treatments to enhance conductivity and reduce RF losses.
•  Integration of magnetic focusing elements for beam stability.

We prioritize collaboration and communication with you, and our team works closely with you at every stage of the project, from design and prototyping to final fabrication and testing, ensuring that the end product meets your expectations. You can find more details about our product range:

Linear Accelerator

Proton Linac

Radio Frequency Quadrupole

Debuncher

Drift Tube Linac

Electrical Buncher