NASA NTRS · 19870060420
Source-specular-reflector-sensor solid angles
Abstract
A formula is derived that describes the size of the solid angle within which must be the normal to a flat specular reflector, if such a reflector is to redirect light from a small but finite extended source to a small but finite extended detector. The formula assumes the rules of geometrical optics and does not account for the effects of diffraction.
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Vanderbilt, V. C.. 1987-07-01. Source-specular-reflector-sensor solid angles. https://ntrs.nasa.gov/citations/19870060420
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