Planar waveguide bragg lens and its utilization

Details Planar waveguide bragg lens and its utilization Planar waveguide bragg lens and its utilization

1981-08-25

1984-04-03

Lee, John D.

350 9611, 350 9619, 35016224, G02B 5174

Patent

active

044404689

ABSTRACT:
The planar waveguide Bragg lens and a component utilizing a planar waveguide Bragg lens with a greater acceptance angle characterized by several grating structures being arranged in series and having an inclination towards one another for varying angles of incidence. In one embodiment, each of the grating structures are circular arc segments which are interconnected together to form a single grating structure having curved segments which also has a greater acceptance angle than a conventional planar waveguide Bragg lens.

REFERENCES:
patent: 3814498 (1974-06-01), Tomlinson et al.
patent: 3995937 (1976-12-01), Baues et al.
patent: 4262996 (1981-04-01), Yao
patent: 4297704 (1981-10-01), Marom et al.
patent: 4394060 (1983-07-01), Verber et al.
Tien, "Method of Forming Novel Curved-Line Gratings and . . . ,", Optics Letters, vol. 1, No. 2, Aug. 1977, pp. 64-66.
Ramey et al., "Polyurethane Fan-Out Channel Waveguide Array . . . ,", IEEE Trans. on Circuits & Systems, vol. Cas-26, No. 12, Dec. 1979, pp. 1041-1048.
M. G. F. Wilson and M. C. Bone, "Theory of Curved Diffraction Gratings", Workshop on Integrated Optics, Technical University Berlin, May 12-13, 1980, pp. 85-111.

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