Optical axis — For the optic axis of a crystal, see Optic axis of a crystal. Optical axis (coincides with red ray) and rays symmetrical to optical axis (pair of blue and pair of green rays) propagating through different lenses. An optical axis is a line along… … Wikipedia
optical axis — noun 1. a. : a straight line perpendicular to the front of the cornea of the eye and extending through the center of the pupil b. : the axis of symmetry of a radially symmetrical optical system 2. : optic axis 1 … Useful english dictionary
optical axis — In a lens element, the straight line which passes through the centers of curvature of the lens surfaces. In an optical system, the line formed by the coinciding principal axes of the series of optical elements … Military dictionary
Axis — may refer to:In politics: *A parameter used in describing political spectrum *Axis of evil, U.S. President George W. Bush s description of Iran, Iraq, and North Korea *Axis powers of World War IIIn science: *Axis (anatomy), the second cervical… … Wikipedia
Optical aberration — v · d · e Optical aberration … Wikipedia
optical crystallography — branch of crystallography that deals with the optical properties of crystals (crystal). It is of considerable interest theoretically and has the greatest practical importance. The science of petrography is largely based on the study of the… … Universalium
Axis mundi — Navel of the World redirects here. For other uses, see Navel of the World (disambiguation). Mount Kailash, depicting the holy family: of Shiva and Parvati cradling Skanda with Ganesha by Shiva s side The axis mundi (also cosmic axis, world axis,… … Wikipedia
Optical 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… … Wikipedia
Optical unit — The Optical Unit is a dimensionless units of length used in optical microscopy. Because every diffraction limited system have their resolution proportional to wavelength / NA, it is convenient for comparison to use this unit. There are actually 2 … Wikipedia
Optical coherence tomography — Intervention Optical Coherence Tomography (OCT) image of a sarcoma MeSH … Wikipedia
Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c … Wikipedia