What does birefringence mean?
Birefringence is a property of certain materials, such as crystals or stressed transparent materials, that causes light to be refracted, or bent, differently depending on its polarization and direction of travel. This property is also known as double refraction. Birefringence is typically measured as the difference in refractive indices between two polarization states. The phenomenon is commonly observed in crystals, such as calcite or quartz, and in stressed transparent materials, such as glass or plastics. Birefringence has numerous applications in optics, materials science, and physics, including the study of optical properties of materials, the design of optical devices, and the analysis of stress distributions in materials.
nounThe property of a medium, such as a crystal or a stressed transparent material, that causes light to be refracted differently depending on its polarization and direction of travel.
- The property of a medium that causes light to be refracted differently depending on its polarization and direction of travel.
- A measure of the difference in refractive indices between two polarization states.
"The birefringence of the crystal caused it to split the light into two distinct beams."
"The birefringence of the crystal caused it to split the light into two distinct beams."
"The scientist measured the birefringence of the material to determine its optical properties."
The plural form is used when referring to multiple instances or measurements of birefringence.
"The scientist measured the birefringences of several different materials to compare their optical properties."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of birefringence
The term 'birefringence' was first used in the 19th century to describe the property of certain materials that causes light to be refracted differently depending on its polarization and direction of travel. The word is derived from the Latin 'bi-', meaning 'two', and 'fringere', meaning 'to break' or 'to refract'. The concept of birefringence is closely related to the properties of crystals and the behavior of light as it interacts with matter.
Usage notes
Typically used in the context of physics, optics, and materials science. Often used to describe the properties of crystals or stressed transparent materials.