overband magnets

The photoelectric effect magnet tubes  is an important and mysteriousphenomena in physics, under the irradiation of light, some of the material inside the electron photon excitation will be formed out of current, which photo electricity.Optical and magnetic field in the material, or (magnet tube) with variousphenomena between spontaneous magnetization substance produced by the interactions, including the Faraday effect, cotton Mouton effect, magneto optical Kerr effect, Zeeman effect and photomagnetic effect.

(magneto elastic effect): also called the photoelastic effect or photo elastic effect. The transparent medium some isotropic, nature has birefringencewith mechanical stress, which is also called mechanical birefringence, overband magnets stress birefringence or optical effect etc.. The effective stress in the direction of the optical axis, proportional to the stress birefringence and causes.Photoelastic effect for optical processing a lot of trouble, glass annealing is insufficient or not installed good will produce stress in the glass, resulting indouble refraction, affect the imaging quality. However, this effect is used tostudy the stress distribution of the internal mechanical structure. To make amodel of transparent material for mechanical structure to be analyzed, andthe force according to the actual situation, and then the model is put in theorthogonal polarization and interference fringes can be observedpolarization detection system, and then analyzes the stress situation