1983-08-29
1987-05-05
Corbin, John K.
G02B 2300, G02B 2700
Patent
active
046627286
ABSTRACT:
The light guide apparatus will guide a beam whose rays have a predetermined phase space distribution with a maximum deviation angle .theta..sub.max in a first plane perpendicular to the beam axis. The guiding apparatus includes an optical system positioned at a distance l/2 from the first plane for receiving light from the edge of the spreading beam along an edge of width l tan .theta..sub.max and for diverting the light towards the beam axis to reproduce the predetermined spatial distribution in a second plane perpendicular to the beam axis at a distance l from the first plane. The optical system can be made from annular or cylindrical, regular or fresnel lenses. A number of systems may be sequentially mounted to guide a beam along any desired distance with in a straight line or perpendicular to its original direction.
REFERENCES:
patent: 3101472 (1963-08-01), Goubau
patent: 3200697 (1961-04-01), Goubau
patent: 3628861 (1971-12-01), Goubau
patent: 3632955 (1972-01-01), Cruickshank et al.
patent: 3759590 (1973-09-01), Arnaud
patent: 4029395 (1977-06-01), Hurwitz
patent: 4411490 (1983-10-01), Daniel
Lit et al., "Hybrid Lens Beam Waveguide", Applied Optics, vol. 12, No. 4, Apr. 1973, pp. 749-754.
Optical Engineering, vol. 20, No. 4, Jul./Aug. 81, pp. 605-607, Bellingham Wash. M. V. R. K. Murty.
Soviet Inventions Illustrated Derwent Publ. Sec. Phys. Week K20 Abstract No. G 7040, p. 81, 29-6-83.
Canadian Patents and Development Limited
Corbin John K.
Lemmo Vincent J.
Rymek Edward
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