phase quarter-wave plate

См. также в других словарях:

• quarter-wave plate — noun : a crystal plate that changes the phase difference between the two components of polarized light traversing it by one fourth cycle compare half wave plate * * * /kwawr teuhr wayv /, Optics. a crystal thin enough to cause a phase difference… …   Useful english dictionary

• quarter-wave plate — /kwawr teuhr wayv /, Optics. a crystal thin enough to cause a phase difference of 90° between the ordinary and extraordinary rays of polarized light, thereby converting circularly polarized light into plane polarized light. Cf. half wave plate.… …   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… …  

• quarter-wave plate — noun a sheet of birefringent material whose thickness is such that the light associated with the larger refractive index is retarded in phase by 90° with respect of that associated with the smaller refractive index; used to convert linearly… …   Wiktionary

• Wave plate — A half wave plate. Linearly polarized light entering a wave plate can be resolved into two waves, parallel (shown as green) and perpendicular (blue) to the optical axis of the wave plate. In the plate, the parallel wave propagates slightly slower …   Wikipedia

• half-wave plate — noun : a crystal plate that reduces by 1/2 cycle the phase difference between the two components of polarized light traversing it compare quarter wave plate * * * /haf wayv , hahf /, Optics. a crystal thin enough to cause a phase difference of… …   Useful english dictionary

• half-wave plate — /haf wayv , hahf /, Optics. a crystal thin enough to cause a phase difference of 180° between the ordinary and extraordinary rays of polarized light, thereby changing the direction of the plane of polarization. Cf. quarter wave plate. [1900 05] * …   Universalium

• Phase contrast microscopy — Phase contrast image of a cheek epithelial cell Phase contrast microscopy is an optical microscopy illumination technique of great importance to biologists in which small (invisible to the human eye) phase shifts in the light passing through a… …   Wikipedia

• Cnoidal wave — US Army bombers flying over near periodic swell in shallow water, close to the Panama coast (1933). The sharp crests and very flat troughs are characteristic for cnoidal waves. In fluid dynamics, a cnoidal wave is a nonlinear and exact periodic… …   Wikipedia

• четвертьволновая фазовая пластинка — Устройство, создающее разность фаз между ортогональными линейно поляризованными составляющими оптического излучения определенной длины волны, равную (2n + 1) …   Справочник технического переводчика

• Polarizer — For the photographic filter, see Polarizing filter (Photography). A polarizing filter cuts down the reflections (top) and made it possible to see the photographer through the glass at roughly Brewster s angle although reflections off the back… …   Wikipedia