Kerr cell — noun optical device consisting of a transparent cell with two electrodes between two polarizing media; passes light only if the two planes of polarization are parallel; used as a high speed shutter or to modulate a laser beam • Hypernyms:… … Useful english dictionary
Kerr cell — /kahr, kerr/, Physics. a transparent cell filled with a fluid, usually nitrobenzene, and containing two electrodes placed between two polarizing light filters, suitable for demonstrating the Kerr effect and often used as a high speed camera… … Universalium
Kerr cell — /ˈkɜ sɛl/ (say ker sel) noun a cell, based on the electro optical Kerr effect, which is used as a high speed camera shutter …
Kerr — may refer to:Places*Kerr, Montana, A US census designated place *Kerr County, Texas, USAOther uses*Alief Kerr High School, a public magnet school in Houston, Texas, USA *Dick, Kerr Co., locomotive manufacturer based in Scotland and England **… … Wikipedia
Shutter (photography) — The 1911 Cyclopedia of Photography divides shutters into roller blind and diaphragm types, corresponding roughly to the modern focal plane and leaf types. In photography, a shutter is a device that allows light to pass for a determined period of… … Wikipedia
Kerr effect — This article is about the Kerr nonlinear optical effect. For the magneto optic phenomenon of the same name, see magneto optic Kerr effect. The Kerr effect, also called the quadratic electro optic effect (QEO effect), is a change in the refractive … Wikipedia
Kerr electro-optic effect — ▪ physics in physics, the inducement of double refraction of light in a transparent substance when a strong electric field is applied in a direction transverse to the beam of light. In double refraction, the index of refraction (a measure… … Universalium
John Kerr (physicist) — Rev. John Kerr (December 17, 1824 ndash; August 15,1907) was a Scottish physicist who inaugurated the field of electro optics.LifeBorn in Ardrossan to a fish merchant, Kerr attended the University of Glasgow from where he earned a master s degree … Wikipedia
Rapatronic camera — The rapatronic camera is a high speed camera capable of recording a still image with an exposure time as brief as 10 nanoseconds (billionths of a second).The camera was developed by Harold Edgerton in the 1940s and was first used to photograph… … Wikipedia
photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… … Universalium