beam width


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Related to beam width: directivity, Band width

beam width

The angle between the directions, on either side of the axis, at which the intensity of the radio frequency field drops to one-half the value it has on the axis.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
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The system offers a top hat beam parameter profile of 6mm x mrad, and can be dynamically adjusted to an arbitrary rectangular beam width and length ranging from 0.2-50mm for non-contact localised soldering, bonding, and annealing in microelectronic components and connectors.
It is noticed that the insertion loss is 0.01 dB-0.05 dB over the frequency range up to 50 GHz for the beam width of 40 [micro]m.
Of course, the method of controlling these beams must also be highly sophisticated, to give minute adjustments of beam width, angle and intensity.
When designing or applying for a laser, or when a laser system is no longer meeting specifications, one needs to know many different beam parameters, such as beam width and size, beam profile, and M2.
The control laser also has a Gaussian intensity distribution [A.sub.control](x, y, 0) = [A.sub.0] exp[-([D.sub.1][x.sup.2] + [D.sub.2][y.sup.2])/2[w.sup.2]], where [A.sub.0] and w are the initial axial amplitude and beam width, respectively.
In modern wireless communication systems, such as safeguard systems, active phased arrays, and intelligent transport systems, beam width of the antenna is a significant performance.
The shear strength of RC beams without web reinforcement was observed to be influenced by several variables, such as concrete strength ([f'.sub.c]), shear span-to-depth ratio (a/d), beam depth (d), longitudinal reinforcement ratio ([[rho].sub.f]), and beam width ([b.sub.w]) [5, 6].
The larger radars also produce a tighter 0.925-degree beam width, while airborne radar beam widths are on the order of about 8 to 15 degrees.
Abstract: This paper presents the experimental results in investigating the effect of specimen size (ratio of beam width to aggregate size) on the value of stress intensity factor ([K.sub.IC]) and fracture energy ([G.sub.F]) using three-point bend (TPB).
"Ensure the light is not too cold, is dimmable, has an adjustable beam width and can accommodate a high CRI 2700K color temperature, as described in Sotheby's Artwork Lighting Tips." Method Lights' patented LED products allow consumers to control the color temp from 2700 degrees Kelvin (warm) to 7000 Kelvin (cool), providing art lovers the ability to bring out the true color of their art.
As shown, not only the peak gain decreases but also the beam width expands when the LTC-MS exists.