Kicker magnets are critical components in particle accelerators and beamlines, enabling rapid and precise manipulation of charged particle beams. They are used for beam injection, extraction, transfer, dumping, and diagnostics, and their ability to generate fast, intense magnetic pulses makes them indispensable in high-energy physics and accelerator technology.
Design Consideration
The kicker magnets typically produce rectangular field pulses with fast rise- and/or fall-times, however, the field strength is relatively low. To compensate for their relatively low field strength, the kicker magnets are generally combined with electromagnetic septa which provides relatively strong field strength but are either DC or slow pulsed.
Normally, kicker magnet is used for beam Injection and extraction or beam transfer, and there are several factors to ensure it meets the required performance, reliability, and integration into the beamline or accelerator system. Below are the key design considerations:
- √ Magnetic Field Requirements
Field strength, the magnetic field must be strong enough to deflect the beam as required. This depends on the beam energy, charge, and desired deflection angle.
Field uniformity, it should be uniform across the region where the beam passes to ensure consistent deflection.
Pulse duration, it must be generated for the precise duration needed to deflect the beam without over- or under-shooting.
- √ Timing and Synchronization
Fast switching, kicker magnets must turn on and off very quickly, often in nanoseconds to microseconds, to match the beam's timing.
Precision timing, it shall be synchronized with the beam's arrival time to ensure accurate deflection.
Jitter, timing jitter (variations in the pulse timing) must be minimized to maintain precision.
- √ Electrical Design
Pulse generator, fast-switching pulse generator is required to drive the kicker magnet.
Current and voltage, the design must account for the current and voltage needed to generate the required magnetic field.
Impedance matching, the kicker magnet and pulse generator must be impedance-matched to avoid reflections and ensure efficient energy transfer.
- √ Mechanical Design
Compactness, the magnet must fit into the beamline without disrupting the overall layout.
Vacuum compatibility, if the kicker magnet is placed inside a vacuum chamber, it must be designed to operate in a vacuum environment.
Mechanical stability, it must withstand mechanical forces (e.g., Lorentz forces) and vibrations without deforming or misaligning.
- √ Integration with Beamline
Alignment, the kicker magnet must be precisely aligned with the beamline to ensure accurate deflection.
Diagnostics, integration with beam diagnostics (e.g., beam position monitors) may be needed to verify performance.
Control system, the magnet must interface with the accelerator's control system for timing and operation.
- √ Cost and Manufacturability
Cost-effectiveness, the design should balance performance with cost, especially for large-scale systems.
Manufacturing feasibility, the design should be practical to manufacture and assemble.
Project Case
Model Nr.: FAB135-062
- Material: Aluminum Case
- Size: 780.2*292*444mm
- Air gap: 162*90mm
- Weight: 135kg
- Magnetic field: 0.062T
Model Nr.: FAB48-027
- Material: Aluminum shell
- Size: 704*288*348mm
- Air gap: 162*90mm
- Weight: 48kg
- Magnetic field: 0.027T
Fabmann offers full project management services to your exact expectation, and we handle everything from design to quality assessment.
√ Initial consultation, Fabmann takes a collaborative approach to work with your team to achieve a thorough understanding of your design requirements.
√ Design and engineering, based on your desired performance criteria, our team will select the most suitable materials, design for manufacturability, and create thermal models of your design.
√ Simulation & specification confirmation
√ Production, based on completion of design validation & computer simulation, our engineers work closely with project leader to map out production plan, and production will be carried out strictly according to the specification.
√ Test and quality check, a comprehensive testing and checks will be carried out immediately after completion of production, covering magnetic field test, inductance, resistance, hipot, measurement and thermal testing.
√ Packing and delivery, we provide custom packing solution to make sure that our products can stand long haul transportation.
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