Optical multiplexer device

Details Optical multiplexer device Optical multiplexer device

1986-03-18

1988-01-05

Orsino, Jr., Joseph A.

Multiplex communications

Wide area network

Packet switching

350 9618, 350 9619, H04B 900

Patent

active

047180560

ABSTRACT:
A multiplexer device includes a plurality of optical fibers. One of the end faces of each of the fibers is arranged in a common plane. The fibers include a first optical fiber for conducting several light signals of different wavelengths and at least two second optical fibers, each of which conduct a light signal in a single waveband. The device also includes a wavelength-selective element (33) and a lens system (51, 53) which is arranged between the wavelength-selective element and the common plane. In order to minimize the number of components of the device and to facilitate adjustment during assembly, the lens system is formed by a plane parallel, transparent plate (51) which bears against the end faces (9, 11) of the optical fibres as well as by a lens (53) having the shape of a flattened sphere whose plane surface rests on the plate.

REFERENCES:
Aoyama, K. et al., "Low-Loss Optical Demultiplexer for WDM Systems in the 0.8 .mu.m Wavelength Region," App. Optics, vol. 18, No. 16, pp. 2834-2836 (Aug. 15, 1979).
Tomlinson, W. J., "Wavelength Multiplexing in Multimode Optical Fibers," App. Optics, vol. 16, No. 8, pp. 2180-2194 (Aug. 1977).

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