Michelson interferometer
A Michelson interferometer is a device used to measure the interference of light waves. It splits a beam of light into two paths using a half-silvered mirror. The light travels along both paths, reflects off mirrors, and then recombines at the splitter. This can create patterns known as interference fringes, which help scientists measure distances, wavelengths, or even detect tiny changes in the environment. It was famously used in experiments that tested the speed of light, contributing to our understanding of physics and the development of theories like Einstein's relativity.
Additional Insights
-
The Michelson Interferometer is an optical instrument used to measure the interference of light waves. It splits a beam of light into two paths, reflects them back, and then combines them. When the two beams meet again, they create patterns of light and dark due to their phase differences. By analyzing these patterns, scientists can detect tiny changes in distance or variations in air or material properties. This device has been crucial in experiments, including confirming the existence of gravitational waves and measuring the speed of light, making it significant in both physics and engineering.