high-gain laser
61Clementine (spacecraft) — This article is about the American Lunar probe. For the French satellite, see Clementine (satellite). Clementine Organization BMDO / NASA Major contractors Naval Research Laboratory Mission type …
62Wireless energy transfer — or wireless power is the transmission of electrical energy from a power source to an electrical load without artificial interconnecting conductors. Wireless transmission is useful in cases where interconnecting wires are inconvenient, hazardous,… …
63MESSENGER — This article is about the NASA space mission. For other uses, see Messenger. MESSENGER Artist s rendering of MESSENGER orbiting Mercury. Operator NASA / APL Major contractors APL …
64Power scaling — of a laser is increasing its output power without changing the geometry, shape, or principle of operation. Power scalability is considered an important advantage in a laser design.Usually, power scaling requires a more powerful pump source,… …
65Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …
66Amplified spontaneous emission — (ASE) or superluminescence is light, produced by spontaneous emission, that has been optically amplified by the process of stimulated emission in a gain medium.Origins and problemsASE is produced when a laser gain medium is pumped to produce a… …
67telecommunications media — Introduction equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation Every… …
68Solar sail — Solar sails (also called light sails or photon sails, especially when they use light sources other than the Sun) are a proposed form of spacecraft propulsion using large membrane mirrors. Radiation pressure is about 10 5 Pa at Earth s distance… …
69Mars Observer — Artist rendering of Mars Observer in orbit around Mars. Operator NASA / JPL …
70materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …
