When an electric current flows through the coils of the electromagnet, it generates a magnetic field. The charged particles in the beam experience a force due to the Lorentz force (𝐹=𝑞𝑣×𝐵), where q is the charge of the particle, v is its velocity, and B is the magnetic field. This force causes the particles to deflect, allowing the beam to be steered or scanned across a target area. Scanning electromagnets are critical components in systems that require precise control and manipulation of charged particle beams, with applications in research, medical industry.
Features, Advantage & Limitations
Scanning electromagnet consists of coils of wire that carry an electric current, producing a magnetic field when energized, and the strength and direction of the magnetic field can be precisely controlled by adjusting the current through the coils. The electromagnet can scan the beam in a specific pattern, such as a raster scan (back-and-forth or up-and-down motion) or a circular scan, depending on the application. It is used to steer the beam to a desired location or to distribute the beam over a target area.
The advantages are:
- √ Precise control over beam direction and scanning patterns.
- √ Can be dynamically adjusted by changing the current in the coils.
- √ Suitable for high-energy and low-energy particle beams.
The disadvantages:
- √ Requires a stable power supply to maintain consistent magnetic fields.
- √ Generates heat, which may require cooling systems.
- √ Limited by the maximum magnetic field strength achievable with the electromagnet design.
Application
Fabmann provides custom scanning electromagnet fabrication service, and our scanning magnets are widely used in following applications:
- √ Particle accelerators, used to guide and focus particle beams in synchrotrons, cyclotrons, and linear accelerators.
- √ Beamlines, in research facilities, scanning electromagnets are used to direct beams to experimental stations or detectors.
- √ Radiation therapy, in medical applications, such as proton therapy, scanning electromagnets are used to precisely target cancer cells with a beam of charged particles.
- √ Industrial applications, widely used in processes like ion implantation for semiconductor manufacturing or in electron beam welding.
- √ Particle detectors, applied in experimental physics, they help direct beams to detectors for analysis.
Project Case
Model Nr.: FAB224-100
- Material: Silicon steel sheet
- Size: 605*573*518mm
- Air gap: 100*120mm
- Magnet weight: 224kg
- Magnetic field: 0.16Tm
Model Nr.: FAB63-100
- Material: No core
- Size: 273.6*325*278mm
- Air gap: 100*120mm
- Magnet weight: 63kg
- Magnetic field: 73.5Gs*84.2Gs
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