- fundamental beam
- пучок на основной частоте
spot beam — узкий пучок
beam current — ток пучка
beam flux — поток в пучке
test beam — пробный пучок
wide beam — широкий пучок
English-Russian big medical dictionary. 2005.
fundamental beam
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Beam splitter — Saltar a navegación, búsqueda Representación esquemática de un divisor de rayos Un beam splitter (divisor de rayos) es un instrumento óptico que divide un rayo de luz en dos. Es una parte fundamental de la mayoría de los interferómetros. En su… … Wikipedia Español
Fundamental frequency — Vibration and standing waves in a string, The fundamental and the first 6 overtones The fundamental frequency, often referred to simply as the fundamental and abbreviated f0 or F0, is defined as the lowest frequency of a periodic waveform. In… … Wikipedia
fundamental colors — Color Col or (k[u^]l [ e]r), n. [Written also {colour}.] [OF. color, colur, colour, F. couleur, L. color; prob. akin to celare to conceal (the color taken as that which covers). See {Helmet}.] 1. A property depending on the relations of light to… … The Collaborative International Dictionary of English
colliding beam accelerator — Particle accelerator Par ti*cle ac*cel er*a*tor, n. (Physics) A large and expensive scientific instrument used by physicists to accelerate elementary particles (such as protons or electrons) to speeds near that of light, for the purpose of… … The Collaborative International Dictionary of English
Gaussian beam — In optics, a Gaussian beam is a beam of electromagnetic radiation whose transverse electric field and intensity (irradiance) distributions are well approximated by Gaussian functions. Many lasers emit beams that approximate a Gaussian profile, in … Wikipedia
Complex beam parameter — In optics, the complex beam parameter is a complex number that specifies the properties of a Gaussian beam at a particular point z along the axis of the beam. It is usually denoted by q. It can be calculated from the beam s vacuum wavelength λ0,… … Wikipedia
RFQ Beam Coolers — RFQ stands for Radio Frequency Quadrupole (also known as a Quadrupole mass analyzer when used as a mass filter), an instrument that is used in mass spectrometry. The RFQ was invented by Prof. Wolfgang Paul in the late 50 s / early 60 s at the… … Wikipedia
Electron beam ion trap — (or its acronym EBIT) is used in physics to denote an electromagnetic bottle that produces and confines highly charged ions. It was invented by R. Marrs [Levine et al, 1988] and M. Levine at LLNL.An EBIT uses an electron beam focused by means of… … Wikipedia
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
Electron — For other uses, see Electron (disambiguation). Electron Experiments with a Crookes tube first demonstrated the particle nature of electrons. In this illustration, the profile of the cross shaped target is projected against the tube face at right… … Wikipedia
quantum mechanics — quantum mechanical, adj. Physics. a theory of the mechanics of atoms, molecules, and other physical systems that are subject to the uncertainty principle. Abbr.: QM Cf. nonrelativistic quantum mechanics, relativistic quantum mechanics. [1920 25]… … Universalium
