two-wavelength interferometer
61Interferometric visibility — The interferometric visibility (also known as interference visibility or fringe visibility or just visibility ) quantifies the contrast of interference in any system which has wave like properties, such as optics, quantum mechanics, water waves,… …
62Distributed feedback laser — A distributed feedback laser (DFB) is a type of laser diode, quantum cascade laser or optical fibre laser where the active region of the device is periodically structured as a diffraction grating. The structure builds a one dimensional… …
63Complementarity (physics) — In physics, complementarity is a basic principle of quantum theory proposed by Niels Bohr, closely identified with the Copenhagen interpretation, and refers to effects such as the wave–particle duality. Just like the finitude of the speed of… …
64Arthur Covington — Arthur Edwin Covington (21 September 1913 ndash; 17 March 2001) is a Canadian physicist who made the first radio astronomy measurements in Canada. Through these he made the valuable discovery that sunspots generate large amounts of microwaves at… …
65Michelson, A.A. — ▪ American scientist in full Albert Abraham Michelson born Dec. 19, 1852, Strelno, Prussia [now Strzelno, Pol.] died May 9, 1931, Pasadena, Calif., U.S. German born American physicist who established the speed of light as a fundamental… …
66Voyager 2 — For the phone sometimes referred to as the Voyager 2, see LG enV touch. Voyager 2 Voyager spacecraft Operator …
67Fringe shift — Yellow areas produce bright lines of constructive interference. The dark areas produce dark lines of destructive interference. ] A fringe shift is most often referred to in interferometry experiments such as the Michelson Morley. It is the… …
68James Webb Space Telescope — General information Organization NASA[1], with significant contributions from ESA and CSA …
69Filter (optics) — Coloured and Neutral Density filters Optical filters are devices which selectively transmit light of different wavelengths, usually implemented as plane glass or plastic devices in the optical path which are either dyed in the mass or have… …
70Optical autocorrelation — Classification of the different kinds of optical autocorrelation. In optics, various autocorrelation functions can be experimentally realized. The field autocorrelation may be used to calculate the spectrum of a source of light, while the… …
