The maximum angle within which Light will be accepted by an element, such as a Detector or waveguide. In the latter, it is quantified as half the Vertex Angle of the cone within which Optical Power may be coupled into bound Modes of a fiber. Also called acceptance cone.
Acceptance Angle, Acceptance Cone, Acceptance Pattern, Angle of Deviation, Angle of Incidence, Angle of Refraction, Characteristic Angle, Critical Angle, Diffraction Angle, Incident Angle,
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