optical negative
11optical activity — Physical Chem. the ability of a substance to rotate the plane of polarization of plane polarized light. [1875 80] * * * Ability of a substance to rotate the plane of polarization of a beam of light passed through it, either as crystals or in… …
12Negative pulldown — A comparison of 4 perf, 3 perf and 2 perf 35 mm film formats. Negative pulldown is the manner in which an image is exposed on a film stock, described in the number of film perforations spanned by an individual frame. It can also describe the… …
13Negative space — Rubin s vase is an optical illusion in which the negative space around the vase forms the silhouettes of two faces in profile a well known example of figure ground reversal …
14Optical cavity — An optical cavity or optical resonator is an arrangement of mirrors that forms a standing wave cavity resonator for light waves. Optical cavities are a major component of lasers, surrounding the gain medium and providing feedback of the laser… …
15Optical vortex — An optical vortex (also known as a screw dislocation or phase singularity) is a zero of an optical field, a point of zero intensity. Research into the properties of vortices has thrived since a comprehensive paper by Nye and Berry, in 1974,[1]… …
16Optical 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… …
17Optical printer — A 35 mm optical printer with two projector heads, used in producing movie special effects. Starting from the left, you can see light shining from the lamp house, then at A is the first projector s film gate, at B a lens that projects the film in… …
18Optical mineralogy — A petrographic microscope, which is an optical microscope fitted with cross polarizing lenses, a conoscopic lens, and compensators (plates of anisotropic materials; gypsum plates and quartz wedges are common), for crystallographic analysis.… …
19Optical proximity correction — Abbildungsfehler ohne OPC und Verbesserung mit OPC Strukturen in der Fotomaske (Schema) Optical proximity correction (OPC, englisch, deutsch etwa: optische Nahbereichskorrektur) ist in der Halbleitertechnik ein Verfahren zur Korrektur bzw.… …
20Negative — eyepiece eye piece eye piece eye piece , n. (Opt.) The lens, or combination of lenses, at the eye end of a microscope, telescope or other optical instrument, through which the image formed by the mirror or object glass is viewed. Syn: ocular.… …
