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Magnetic mirrors themselves have a mirror ratio this is expressed mathematically as: [36] = At the same time, particles within the mirror have a pitch angle . This is the angle between the particles' velocity vector and the magnetic field vector. [ 37 ]
A ferrofluid mirror is a type of deformable mirror with a reflective liquid surface, commonly used in adaptive optics. It is made of ferrofluid and magnetic iron particles in ethylene glycol, the basis of automotive antifreeze. [1] The ferrofluid mirror changes shape instantly when a magnetic field is applied.
The magnetic mirror is among the simplest magnetic fusion energy machines in terms of physical complexity. It consists largely of a cylinder with powerful magnets at each end, although in practice the cylindrical part (technically, a solenoid) is lined with less powerful magnets to better shape the field.
One of the ways is magnetic mirror confinement, a concept popular in the 1980s that was recently resurrected, thanks in large part due to recent breakthroughs in high-temperature superconductors ...
A basic magnetic mirror. The magnetic lines of force (green) confine plasma particles by causing them to rotate around the lines (black). As the particles approach the ends of the mirror, they see an increasing force back into the center of the chamber. Ideally, all particles would continue to be reflected and stay within the machine.
In astrophysics, a magnetic mirror point is a point where the motion of a charged particle trapped in a magnetic field (such as the (approximately) dipole field of the Earth) reverses its direction. More precisely, it is the point where the projection of the particle's velocity vector in the direction of the field vector is equal to zero.
If the field has a parallel gradient, a particle with a finite Larmor radius will also experience a force in the direction away from the larger magnetic field. This effect is known as the magnetic mirror. While it is closely related to guiding center drifts in its physics and mathematics, it is nevertheless considered to be distinct from them.
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