Solid Angle Subtended by a Circular Aperture at Point and Spread Sources: Formulas and Some Tables

Review of Scientific Instruments - Tập 25 Số 4 - Trang 349-354 - 1954
A.H. Jaffey1
1Chemistry Division, Argonne National Laboratory, Lemont, Illinois

Tóm tắt

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.

Từ khóa


Tài liệu tham khảo

1932, Phys. Rev., 40, 718, 10.1103/PhysRev.40.718

1935, Sitzber. Akad. Wiss. Wien, Math. Naturw. Kl., Abt. IIA, 144, 191

1951, J. Appl. Phys., 22, 1091, 10.1063/1.1700115

1904, Acta Soc. Sci. Fennicae, 32

1906, 33

1951, Rev. Sci. Instr., 22, 509, 10.1063/1.1745982