spänningsoptiska
Spänningsoptiska refers to the phenomenon where materials exhibit optical properties that are dependent on their internal stress state. This effect is primarily observed in transparent or translucent materials, such as glass, plastics, and certain crystals. When these materials are subjected to mechanical stress, either tensile or compressive, their internal structure is distorted. This distortion alters the refractive index of the material, leading to changes in how light propagates through it.
The spänningsoptiska effect is a manifestation of birefringence, meaning the material becomes optically anisotropic. Light polarized
By analyzing the patterns of light and color observed in a polariscope, one can determine the magnitude