refracting material
Смотреть что такое "refracting material" в других словарях:
Rochon prism — noun optical device that produces plane polarized ultraviolet light • Syn: ↑Wollaston prism • Hypernyms: ↑optical device * * * (ˈ)rō|shōⁿ noun Usage: usually capitalized R Etymology: after Alexis M. Rochon died 1817 French astronomer and optician … Useful english dictionary
strain gauge — Geol. a type of extensometer designed for geophysical use. Also called strainmeter /strayn mee teuhr/, strainometer /stray nom i teuhr/. [1905 10] * * * Device for measuring the changes in distances between points in solid bodies that occur when… … Universalium
quarter-wave plate — /ˈkwɔtə weɪv ˌpleɪt/ (say kwawtuh wayv .playt) noun a plate of doubly refracting material cut parallel to the optic axis of the crystal, of such a thickness that a phase difference of a quarter of a period is introduced between the ordinary and… …
phase plate — noun : a transparent plate of doubly refracting material that changes the relative phase of the components of polarized light … Useful english dictionary
optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… … Universalium
History of the telescope — The earliest known working telescopes appeared in 1608 and are credited to Hans Lippershey and Zacharias Janssen, spectacle makers in Middelburg, and Jacob Metius of Alkmaar. The design of these early refracting telescopes consisted of a convex… … Wikipedia
telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… … Universalium
photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such … Universalium
Optics — For the book by Sir Isaac Newton, see Opticks. Optical redirects here. For the musical artist, see Optical (artist). Optics includes study of dispersion of light. Optics is the branch of … Wikipedia
light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics … Universalium
Optical telescope — Eight Inch refracting telescope (Chabot Space and Science Center) An optical telescope is a telescope which is used to gather and focus light mainly from the visible part of the electromagnetic spectrum for directly viewing a magnified image for… … Wikipedia
