distance on the beam
1Beam diameter — The beam diameter or beam width of an electromagnetic beam is the diameter along any specified line that is perpendicular to the beam axis and intersects it. Since beams typically do not have sharp edges, the diameter can be obtained in many… …
2Beam 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… …
3Beam emittance — The beam emittance of a particle accelerator is the extent occupied by the particles of the beam in space and momentum phase space as it travels. A low emittance particle beam is a beam where the particles are confined to a small distance and… …
4Beam propagation method — (BPM) refers to a computational technique in Electromagnetics, usedto solve the Helmholtz equation under conditions of a time harmonic wave. BPM works under slowly varying envelope approximation, for linear and nonlinear equations.The beam… …
5The Crystal Maze — Series 1–2 logo (top) Series 3–6 logo (bottom) Genre Adventure game show …
6The Purple Monster Strikes — Directed by Spencer Gordon Bennet Fred C. Brannon Produced by Ronald Davidson …
7The Blitz — London Blitz redirects here. For the London based American football team, see London Blitz (American football). For other uses, see Blitz (disambiguation). The Blitz Part of Second World War, Home Front …
8The Maidens — East Maiden Light …
9The Fighting Temeraire — Infobox Painting| title=The Fighting Temeraire tugged to her last Berth to be broken up artist=J. M. W. Turner year=1838 type=Oil on canvas height=91 width=122 museum=National Gallery, London The Fighting Temeraire tugged to her last Berth to be… …
10The Pilgrim's Progress — For the Kula Shaker album, see Pilgrims Progress (album). The Pilgrim s Progress   …
