Electromagnetic scattering in active guides

Details Electromagnetic scattering in active guides Electromagnetic scattering in active guides

1991-12-24

1993-07-20

Gonzalez, Frank

Optical waveguides

With optical coupler

Particular coupling function

356350, 372 7, 385130, G02B 610, G01B 902

Patent

active

052300293

ABSTRACT:
Non-normal plane wave electromagnetic scattering from active guiding structures, such as dielectric films, generates large resonances at discrete plane-wave angles of incidence relative to an interface with the active film. These resonances are generated from a "leaky" wave phase matching condition. Enhancement in the scattered field intensities on the order of 100 is achieved using finite diameter pump and probe laser beams and active films as thin as 6 microns. Solid state and dye lasers with unique characteristics are obtained. Oscillators, amplifiers, gyroscopic and nonlinear laser applications employing the active guiding structure or film provide enhanced performance.

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patent: 4616898 (1986-10-01), Hicks, Jr.
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patent: 4676583 (1987-06-01), Hicks, Jr.
patent: 4778238 (1988-10-01), Hicks
patent: 5101413 (1992-03-01), Botez
"Electromagnetic scattering from active objects: invisible scatterers", Applied Optics, Alexopoulos et al., vol. 17: 235, Jan. 15, 1978.
"Electromagnetic scattering from active objects", Applied Optics, Milton Kerker, vol. 17: 3337, Nov. 1, 1978.
"Resonances in electromagnetic scattering by objects with negative absorption", Applied Optics, Milton Kerker, vol. 18: 1180, Apr. 15, 1979.
"Reflection coefficients of large active scatterers", Journal Applied Physics, Ariel Cohen, vol. 58: 7, 2437-2440 (1985).

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