optical coating
51Halogen lamp — A halogen lamp is an incandescent lamp in which a tungsten filament is sealed into a compact transparent envelope filled with an inert gas, plus a small amount of halogen such as iodine or bromine. The halogen cycle increases the lifetime of the… …
52Helium-neon laser — A helium neon laser, usually called a HeNe laser, is a type of small gas laser. HeNe lasers have many industrial and scientific uses, and are often used in laboratory demonstrations of optics. Its usual operation wavelength is 632.8 nm, in the… …
53Dielectric mirror — Two broadband dielectric mirrors being used in an optics experiment. A dielectric mirror is a type of a mirror composed of multiple thin layers of dielectric material, typically deposited on a substrate of glass or some other optical material. By …
54Virgo interferometer — The Virgo detector for gravitational waves consists mainly in a Michelson laser interferometer made of two orthogonal arms being each 3 kilometers long. Multiple reflections between mirrors located at the extremities of each arm extend the… …
55Chung Nam Group of Companies — Chung Nam Group is a Hong Kong based watch and clock movement manufacturer. The Chung Nam Group comprises Isa Prestige Time, Roamer, and Isa. With plants based in China, Hong Kong, and Switzerland. Isa movements are used in mid line watches. In… …
56Strontium fluoride — ] Another proposal is that polarisation of the electron core of the barium atom creates an approximately tetrahedral distribution of charge that interacts with the Sr F bonds. [Core Distortions and Geometries of the Difluorides and Dihydrides of… …
57Titanium dioxide — Chembox new Name = Titanium dioxide ImageFile = Titanium(IV) oxide.jpg ImageSize = 200px ImageName = Titanium(IV) oxide ImageFile1 = Rutile unit cell 3D balls.png ImageSize1 = 200px ImageName1 = The unit cell of rutile IUPACName = Titanium… …
58Indium(III) oxide — Chembox new Name = Indium(III) oxide ImageName = Indium(III) oxide OtherNames = indium trioxide Section1 = Chembox Identifiers CASNo = 1312 43 2 Section2 = Chembox Properties Formula = In2O3 MolarMass = 277.64 g/mol Appearance = yellowish green… …
59Impedance matching — In electronics, impedance matching is the practice of designing the input impedance of an electrical load (or the output impedance of its corresponding signal source) to maximize the power transfer and/or minimize reflections from the load.… …
60Lens speed — refers to the maximum aperture diameter, or minimum f number, of a photographic lens. A lens with a larger maximum aperture (that is, a smaller minimum f number) is a fast lens because it delivers more light intensity (illuminance) to the focal… …
