acousto-optical deflectors

См. также в других словарях:

• Acousto-optics — is a branch of physics that studies the interactions between sound waves and light waves, especially the diffraction of laser light by ultrasound or sound in general.IntroductionOptics has had a very long and full history, from ancient Greece,… …   Wikipedia

• Acousto-Optic Deflector — Acousto Optic deflectors= An acousto optic deflector spatially controls the optical beam. In the operation of an acousto optic deflector the power driving the acoustic transducer is kept on, at a constant level, while the acoustic frequency is… …   Wikipedia

• Optical tweezers — (originally called single beam gradient force trap ) are scientific instruments that use a highly focused laser beam to provide an attractive or repulsive force (typically on the order of piconewtons), depending on the refractive index mismatch… …   Wikipedia

• Electro-optic effect — An electro optic effect is a change in the optical properties of a material in response to an electric field that varies slowly compared with the frequency of light. The term encompasses a number of distinct phenomena, which can be subdivided… …   Wikipedia

• Gerard A. Alphonse — Gerald A. Alphonse is an electrical engineer, physicist and research scientist, and was the 2005 president of the United States division of the Institute of Electrical and Electronic Engineers (IEEE). Alphonse is the author and co author of over… …   Wikipedia