Gaussian Beam Formulas From Diffraction Theory
Applied Optics, Vol. 12, Issue 4, pp. 872-876 (1973)
http://dx.doi.org/10.1364/AO.12.000872
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Abstract
A simple, single-mode, coherent Gaussian laser beam with wavefronts that are spherical as they pass through a reference plane is assumed, and then by using only the Huygen’s principle and scalar diffraction theory, the propagation characteristics are found, and the formulas for the beam at a distance from the reference plane are derived. The action of a lens on a wavefront is discussed, and the lens formula is derived.
Citation
C. S. Williams, "Gaussian Beam Formulas From Diffraction Theory," Appl. Opt. 12, 872-876 (1973)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-12-4-872
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