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A dipole magnet is a magnet in which opposite poles (''i.e.'', North and South poles) are on opposite sides of the magnet. The simplest example of a dipole magnet is a ''bar magnet''. ==Dipole Magnets in Accelerators== In particle accelerators, a dipole magnet is the electromagnet used to create a homogeneous magnetic field over some distance. Particle motion in that field will be circular in a plane perpendicular to the field and collinear to the direction of particle motion and free in the direction orthogonal to it. Thus, a particle injected into a dipole magnet will travel on a circular or helical trajectory. By adding several dipole sections on the same plane, the bending radial effect of the beam increases. In accelerator physics, dipole magnets are used to realize ''bends'' in the design trajectory (or 'orbit') of the particles, as in circular accelerators. Other uses include: * Injection of particles into the accelerator * Ejection of particles from the accelerator * Correction of orbit errors * Production of synchrotron radiation 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Dipole magnet」の詳細全文を読む スポンサード リンク
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