Универсальный англо-русский словарь. Академик.ру. 2011.
Optical depth — For other uses, see Optical depth (astrophysics). Optical depth, or optical thickness, is a measure of transparency. Optical depth is defined by the negative logarithm of the fraction of radiation (e.g., light) that is not scattered or absorbed… … Wikipedia
optical depth — optinis storis statusas T sritis radioelektronika atitikmenys: angl. optical depth vok. optische Dicke, f rus. оптическая толщина, f pranc. épaisseur optique, f … Radioelektronikos terminų žodynas
optical depth — optinis gylis statusas T sritis fizika atitikmenys: angl. optical depth vok. optische Tiefe, f rus. оптическая глубина, f pranc. profondeur optique, f … Fizikos terminų žodynas
Optical depth (astrophysics) — This article is about optical depth in astrophysics. For optical depth in general, see optical depth. Contents 1 Optical Depth in Astrophysics 2 A Simple Interpretation 3 The Eddington Approximation and the Depth of the Photosphere … Wikipedia
Optical thickness — Optical thickness, also called optical depth, is the depth of a material or medium in which the intensity of light (or other radiation) of a given frequency is reduced by a factor of 1/e. In rough terms 1/3 of the light is absorbed within one… … Wikipedia
Depth of field — The area within the depth of field appears sharp, while the areas in front of and beyond the depth of field appear blurry … Wikipedia
Optical coherence tomography — Intervention Optical Coherence Tomography (OCT) image of a sarcoma MeSH … Wikipedia
Optical sectioning — is the process by which a suitably designed microscope can produce clear images of a focal planes deep within a thick sample. This is used to reduce the need for thin sectioning using instruments such as the microtome. Many different techniques… … Wikipedia
Depth perception — is the visual ability to perceive the world in three dimensions (3D) and the distance of an object. Depth sensation is the ability to move accurately, or to respond consistently, based on the distances of objects in an environment.[citation… … Wikipedia
Optical interferometry — combines two or more light waves in an optical instrument in such a way that interference occurs between them. Early interferometers used white light sources and also monochromatic light from atomic sources (e.g., Young s double slit experiment… … Wikipedia
depth of field — depth′ of field′ n. opt pht the range of distances along the axis of an optical instrument, usu. a camera lens, through which an object produces a relatively distinct image. Also called depth′ of fo′cus • Etymology: 1910–15 … From formal English to slang
