asphere
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asphère — I. ⇒ASPHÈRE1, subst. masc. ou fém. Rare, vx, ZOOL. (entomol.). ,,Genre de coléoptères tétramères, ainsi nommé parce que, chez lui, le dernier article des tarses postérieurs est simple, arqué, et non renflé en boule (BESCH. 1845); (cf. aussi Lar.… … Encyclopédie Universelle
VTK — Développeur Kitware Inc. Dernière version 5.8.0 ( … Wikipédia en Français
Aspheric lens — An aspheric lens or asphere is a lens whose surfaces have a profile that is neither a portion of a sphere nor of a circular cylinder. In photography, a lens assembly that includes an aspheric element is often called an aspherical lens.The asphere … Wikipedia
Argunov-Cassegrain telescope — The Argunov Cassegrain telescope is a telescope design first introduced in 1972 by P.P. Argunov. All optics are spherical, and the classical Cassegrain secondary mirror is replaced by three air spaced lens elements. The element farthest from the… … Wikipedia
Surface area — is the measure of how much exposed area an object has. It is expressed in square units. If an object has flat faces, its surface area can be calculated by adding together the areas of its faces. Even objects with smooth surfaces, such as spheres … Wikipedia
Stephen Globus — is a New York City Venture Capitalist who is third generation from a prominent banking family. He is currently a founder and director of [http://www.cbioinc.com China Biopharmaceuticals Holdings] which is a major Medical Company in China. He was… … Wikipedia
Tim Wright (UK musician) — Tim Wright has been active as a musician and composer since the early 1990s, working predominantly at the experimental end of the spectrum of electronica and dance music GermWright s first commercially available releases were under the pseudonym… … Wikipedia
Zemax — is a widely used optical design program sold by Zemax Development Corporation of Bellevue, Washington (formerly Focus Software).cite journal| title=Latest Zemax creates and evaluates designs |first=John |last=Tesar |journal=Laser Focus World… … Wikipedia
sphère — [ sfɛr ] n. f. • 1509; espere mil. XIIe; d ab. t. d astron.; lat. sphæra, gr. sphaira 1 ♦ Surface fermée dont tous les points sont situés à égale distance d un point donné; solide délimité par cette surface (⇒ 1. balle, 1. bille, boule). Centre,… … Encyclopédie Universelle
asphérique — ● asphérique adjectif En optique, se dit d une surface courbe qui n est pas sphérique. ⇒ASPHÉRIQUE, adj. OPT. De surface courbe, non sphérique : • Une autre innovation instrumentale très importante en astronomie a été l emploi de la lame… … Encyclopédie Universelle
