In telecommunication, the term radiation pattern has the following meanings: 1. The variation of the field intensity of an antenna (electronics) as an angular function with respect to the axis. ''Note:'' A radiation pattern is usually represented graphically for the far-field conditions in either horizontal or vertical plane. 2. In fiber optics, the relative Power (physics) distribution at the output of a fiber or active device as a function of position or angle. ''Note 1:'' The near-field radiation pattern describes the radiant emittance (W·m-2) as a function of position in the plane of the exit face of an optical fiber. ''Note 2:'' The far-field radiation pattern describes the irradiance as a function of angle in the far-field region of the exit face of an optical fiber. ''Note 3:'' The radiation pattern may be a function of the length of the fiber, the manner in which it is excited, and the wavelength. ''Synonym'' directivity pattern. Source: from Federal Standard 1037C and from MIL-STD-188 Antenna terminology Radiation Pattern may also be a decription of the pattern of light produced by an LED; for example Batwing, Lambertian or Side Emitting.
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Radiation pattern
In telecommunication, the term radiation pattern has the following meanings: 1. The variation of the field intensity of an antenna (electronics) as an angular function with respect to the axis. ''Note:'' A radiation pattern is usually represented graphically for the far-field conditions in either horizontal or vertical plane. 2. In fiber optics, the relative Power (physics) distribution at the output of a fiber or active device as a function of position or angle. ''Note 1:'' The near-field radiation pattern describes the radiant emittance (W·m-2) as a function of position in the plane of the exit face of an optical fiber. ''Note 2:'' The far-field radiation pattern describes the irradiance as a function of angle in the far-field region of the exit face of an optical fiber. ''Note 3:'' The radiation pattern may be a function of the length of the fiber, the manner in which it is excited, and the wavelength. ''Synonym'' directivity pattern. Source: from Federal Standard 1037C and from MIL-STD-188 Antenna terminology Radiation Pattern may also be a decription of the pattern of light produced by an LED; for example Batwing, Lambertian or Side Emitting.
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Radiation_pattern
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