Solid Angle Subtended by a Circular Aperture at Point and Spread Sources: Formulas and Some Tables
Abstract
Some formulas for the calculation of the solid angle subtended by a circular aperture at an isotropically emitting point or spread source are presented as well as three tables of solid-angle values.
- Publication:
-
Review of Scientific Instruments
- Pub Date:
- April 1954
- DOI:
- 10.1063/1.1771061
- Bibcode:
- 1954RScI...25..349J