focusing beam

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• self-focusing beam — fokusavimosi pluoštas statusas T sritis radioelektronika atitikmenys: angl. self focusing beam vok. selbstfokussierendes Bündel, n rus. самофокусирующийся пучок, m pranc. faisceau autofocalisé, m …   Radioelektronikos terminų žodynas

• Focusing (disambiguation) — Focusing may refer to: * Focusing, a psychotherapic technique * Focusing (proof theory) * The act of adjusting something to make a beam focus (optics)ee also*Focus …   Wikipedia

• Beam divergence — The beam divergence of an electromagnetic beam is an angular measure of the increase in beam diameter with distance from the optical aperture or antenna aperture from which the electromagnetic beam emerges. The term is relevant only in the far… …   Wikipedia

• beam focusing — pluošto fokusavimas statusas T sritis radioelektronika atitikmenys: angl. beam focusing vok. Bündelfokussierung, f rus. фокусировка пучка, f pranc. focalisation du faisceau, f …   Radioelektronikos terminų žodynas

• focusing coil — noun : a coil that focuses an electron beam (as in a cathode ray tube) by means of a magnetic field …   Useful english dictionary

• Self-focusing — is a non linear optical process induced by the change in refractive index of materials exposed to intense electromagnetic radiation. [Cumberbatch, E. Self focusing in Non linear optics , J. Inst. Maths Applics 6, 250 (1970)] Mourou, G. A. et al.… …   Wikipedia

• Strong focusing — In accelerator physics strong focusing or alternating gradient focusing is the principle that the net effect on a particle beam of charged particles passing through alternating field gradients is to make the beam converge. By contrast Weak… …   Wikipedia

• Electron beam lithography — (often abbreviated as e beam lithography) is the practice of scanning a beam of electrons in a patterned fashion across a surface covered with a film (called the resist),cite book |last= McCord |first=M. A. |coauthors=M. J. Rooks |title=… …   Wikipedia

• Electron beam welding — (EBW) is a fusion welding process in which a beam of high velocity electrons is applied to the materials being joined. The workpieces melt as the kinetic energy of the electrons is transformed into heat upon impact, and the filler metal, if used …   Wikipedia

• Self-focusing transducers — Acoustic waves emitted by ultrasonics transducer crystals exhibit a property known as self focusing (or natural focusing ). Note that this is distinct from the electronically controlled focusing employed in diagnostic ultrasound devices which… …   Wikipedia

• Gas focusing — Gas focusing, also known as ionic focusing. Rather than being dispersed, a beam of charged particles travelling in an inert gas environment sometimes becomes narrower. This is ascribed to the generation of gas ions which diffuse outwards,… …   Wikipedia