antireflection lens coating

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• coating — A covering; a layer of some substance spread over a surface. antireflection c. a film of magnesium fluoride spread on a lens to minimize reflections …   Medical dictionary

• Optical coating — Optically coated mirrors and lenses. An optical coating is one or more thin layers of material deposited on an optical component such as a lens or mirror, which alters the way in which the optic reflects and transmits light. One type of optical… …   Wikipedia

• Anti-reflective coating — Many coatings consist of transparent thin film structures with alternating layers of contrasting refractive index. Layer thicknesses are chosen to produce destructive interference in the beams reflected from the interfaces, and constructive… …   Wikipedia

• Crizal — Logo Crizal is the brand name of a Canadian range of optical lens coatings manufactured by French Essilor. Its products were created to allow greater transparency in lenses by repelling rain and being anti reflective, smudge resistant, dust… …   Wikipedia

• Laser pumping — is the act of energy transfer from an external source into the gain medium of a laser. The energy is absorbed in the medium, producing excited states in its atoms. When the number of particles in one excited state exceeds the number of particles… …   Wikipedia

• industrial glass — Introduction       solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …   Universalium

• Diffuse reflection — For reflection of charged particles, see Scattering from rough surfaces. Diffuse and specular reflection from a glossy surface[1] Diffuse reflection is the reflection of light from a surface such that an incident ray is reflected at many …   Wikipedia

• bloom — bloom1 bloomless, adj. /bloohm/, n. 1. the flower of a plant. 2. flowers collectively: the bloom of the cherry tree. 3. state of having the buds opened: The gardens are all in bloom. 4. a flourishing, healthy condition; the time or period of… …   Universalium

• Lurie Houghton — The Houghton telescope is a catadioptric telescope. Instead of the fairly hard to make Schimdt and Maksutov corrector lenses, the corrector for the Houghton (or the Lurie) is relatively easy to make. It consists of two lenses, a positive and a… …   Wikipedia

• Germanium — (pronEng|dʒɚˈmeɪniəm) is a chemical element with the symbol Ge and atomic number 32. It is a lustrous, hard, silver white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon. Germanium has five naturally… …   Wikipedia

• Pentaprism — A pentaprism is a five sided reflecting prism used to deviate a beam of light by 90°. The beam reflects inside the prism twice, allowing the transmission of an image through a right angle without inverting it (that is, without changing the image… …   Wikipedia