Sextupole electromagnets are designed with six steel pole tips of alternating polarity, and they are magnetized by electric current that flows in the coils of wire wrapped around the poles. The coils are usually made of hollow copper conductors which can carry de-ionized water as coolant. Sextupole magnets are used to correct beam deviations which may occur due to a variety of reasons such as the interaction between particles, magnetic field inhomogeneity. Hence, sextuple magnets are capable of correcting and compensating the transmission of particle beams. Therefore, they are widely used in high-energy physics experiments and accelerators because they can restore the particle beam to the desired orbit for obtaining the accuracy of the experiment. Fabmann specialize in custom electromagnets designed and produced as per your requirements. Whenever a special size, magnetic field or force, higher heat resistance is required, we can help you design and manufacture according to the specification.
Advantage
Sextupole magnet is designed to simultaneously generate a magnetic field along the magnet axis and uniformly horizontally outward. Its structural features are mainly reflected in the following three aspects:
- √ The magnet has a hexagonal shape, consisting of six fan-shaped iron cores stacked together, and a coaxial auxiliary coil is installed in the central cavity.
- √ Adopts a cross-type magnetic circuit, and the top and bottom of the magnet core cross into a cross shape, which can reduce the magnetic resistance of the magnet and thus improve the stability of the magnetic field.
- √ Uses a multi-pole magnetic circuit, the magnetic field generation method is very unique. The magnetic field directions between the two adjacent iron cores are opposite, which can eliminate the non-uniformity of the magnetic field and make the entire magnetic field distribution more stable.
- √ The excellent nonlinear control performance.
Because the stability and low inhomogeneity of the magnetic field, it has attracted wide attention for its application in accelerators. Currently, the sextupole magnet has been widely used in nuclear physics and high-energy physics experiments, including regional accelerators, circular accelerators and linear accelerators.
How does sextuple magnet work?
As you may know that sextupole field has a focal length that is inversely proportional to the distance from the center of the magnet with which the particle beam passes. This phenomenon is quite similar to quadrupole, whose effect on the beam may be described as a bending whose strength depends on the distance from the center of the magnet. If it is placed at a point at which the particle beam is arranged by region of non-zero dispersion, the sextupole magnet can be set at a strength that ensures that particles of all reasonable energy offsets are focused on the same point.
The magnetic field of a sextupole magnet can be used to focus or defocus a beam of charged particles, and the direction of the focusing or defocusing depends on the sign of the magnetic field strength. A positive magnetic field strength will focus a beam of positively charged particles and defocus a beam of negatively charged particles. A negative magnetic field strength will focus a beam of negatively charged particles and defocus a beam of positively charged particles.
Application
Sextupole magnets play an important role in beam transport and reducing scattering between charged particles while correction magnets are magnets used to correct defocus or deviation from the trajectory during beam movement. By using these magnets, scientists and engineers can control and manipulate the trajectory of particle beams for various experiments and applications. In the future, as technology continues to advance, the application areas of these magnets will continue to expand, bringing more possibilities to scientific research and engineering technology. The stability and non-uniformity of the magnetic field of the sextupole magnet make it widely used in accelerators. At present, sextupole magnets have been widely used in nuclear physics and high-energy physics experiments, including regional accelerators, circular accelerators and linear accelerators.
Parcicle Accelerator Assembly
√ Regional accelerator, it is an accelerator that uses a certain area of electric field to increase the kinetic energy of particles. In a regional accelerator, when a particle passes through a sextuple magnet, the transverse magnetic field generated by the sextuple magnet can cause the particle orbit to deviate from the axis of the magnet, thereby causing the particle's energy change in the longitudinal direction.
√ Circular accelerator, it is a device that continuously accelerates particles by rotating them in a ring. In a circular accelerator, when a particle passes through a sextuple magnet, the transverse magnetic field generated by the sextupole magnet can deflect the particle to a certain angle, thereby forming a certain energy change, allowing the particle to continue to rotate and accelerate.
√ Linear accelerator, it is a device that accelerates particles in a straight line. In a linear accelerator, sextupole magnets are mainly used to generate a transverse deflection magnetic field to help particles deviate from the magnet axis, thereby increasing the energy of the particles.
√ Medical imaging such as MRI scanner, sextupole magnets can be integrated with other application to provide higher-precision detection and treatment solutions for medicine.
Customized Models
Model Nr. FAB140-33
Material: Silicon Steel
OD: 650mmX170mmX709mm
Air gap: Ф140mm
Weight: 90kg
Field Strength: 33T
For detailed information, please contact Fabmann, and our professional sales engineer will respond to you in max 24h.
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