- phonon amplifiers
- • фононен усилвател
English-Bulgarian polytechnical dictionary . 2013.
phonon amplifiers
Look at other dictionaries:
Laser diode — Top: a packaged laser diode shown with a penny for scale. Bottom: the laser diode chip is removed from the above package and placed on the eye of a needle for scale … Wikipedia
Cryogenic Dark Matter Search — The Cryogenic Dark Matter Search (CDMS) is a series of experiments designed to directly detect particle dark matter in the form of WIMPs. Using an array of semiconductor detectors at millikelvin temperatures, CDMS has set the most sensitive… … Wikipedia
Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c … Wikipedia
Noise (electronics) — Electronic noise [1] is a random fluctuation in an electrical signal, a characteristic of all electronic circuits. Noise generated by electronic devices varies greatly, as it can be produced by several different effects. Thermal noise is… … Wikipedia
Conductive polymer — This article is about bulk applications of conductive polymers. For single molecule electronics, see Molecular scale electronics. Chemical structures of some conductive polymers. From top left clockwise: polyacetylene; polyphenylene vinylene;… … Wikipedia
Acousto-optic modulator — An acousto optic modulator (AOM), also called a Bragg cell, uses the acousto optic effect to diffract and shift the frequency of light using sound waves (usually at radio frequency). They are used in lasers for Q switching, telecommunications for … Wikipedia
laser — /lay zeuhr/, n. Physics. a device that produces a nearly parallel, nearly monochromatic, and coherent beam of light by exciting atoms to a higher energy level and causing them to radiate their energy in phase. Also called optical maser. [1955 60; … Universalium
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
Gunn diode — A Gunn diode, also known as a transferred electron device (TED), is a form of diode used in high frequency electronics. It is somewhat unusual in that it consists only of N doped semiconductor material, whereas most diodes consist of both P and N … Wikipedia
physical science, principles of — Introduction the procedures and concepts employed by those who study the inorganic world. physical science, like all the natural sciences, is concerned with describing and relating to one another those experiences of the surrounding… … Universalium
