Fiber optic wavelength demultiplexer

Details Fiber optic wavelength demultiplexer Fiber optic wavelength demultiplexer

1980-06-16

1982-06-22

Lee, John D.

Multiplex communications

Wide area network

Packet switching

370 1, G02B 5172, H04B 900

Patent

active

043359337

ABSTRACT:
An optical fiber wavelength demultiplexer including an optical fiber mounted and adhered to a curved surface having a clad single fiber core, a planar surface extending partially into and along the fiber through the cladding, a prism mounted on the surface having a reflective diffraction grating surface positioned to receive signals from the fiber travelling in one direction and demultiplex such signals, and an array of photodiodes mounted adjacent the prism to receive the demultiplexed signals.

REFERENCES:
patent: 4089584 (1978-05-01), Polczynski
patent: 4111524 (1978-09-01), Tomlinson
patent: 4136929 (1979-01-01), Suzaki
patent: 4153330 (1979-05-01), Tomlinson
patent: 4301543 (1981-11-01), Palmer
patent: 4307933 (1981-12-01), Palmer et al.
patent: 4317614 (1982-03-01), Palmer
Hsu et al., "Single Mode Optical Fiber Pickoff Coupler", Applied Optics, vol. 15, No. 10, Oct. 1976, pp. 2310-2312.
Stewart et al., "Directional Couplers for Optical Fibre Commun. Systems", Proc. of 3rd Eur. Conf. on Opt. Commun., Sep. 1977, pp. 170-172.
Weidel et al., "Tee-Coupler for Single-Mode Fibres", Electron. Lett., vol. 15, No. 23, Nov. 1979, pp. 737-738.

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