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- W4252474343 abstract "In nearly any problem of photodetection the authors have to calculate the radiant power (or eventually the irradiance) received by a detector at a specified aperture and angular field of view, either in direct sight or through an optical system, when the source power, its emission characteristics, and the geometric parameters of propagation are specified. These calculations of radiometry are greatly simplified, and frequently even avoided by writing directly the result after an inspection of the experiment or the setup, if the authors are able to use the concepts of invariance of radiance and acceptance that they develop and illustrate with examples in this chapter. They also consider the case of free propagation from source to receiver. The authors introduce generalizations to take account of large apertures, index of refraction changes, and polarization state, and offer a final comment on applicability and exception of the invariance principles to radiometric calculations." @default.
- W4252474343 created "2022-05-12" @default.
- W4252474343 date "2020-12-15" @default.
- W4252474343 modified "2023-10-18" @default.
- W4252474343 title "Radiometry Calculations" @default.
- W4252474343 doi "https://doi.org/10.1002/9781119769958.ch2" @default.
- W4252474343 hasPublicationYear "2020" @default.
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