Birefringent optical multiplexer with flattened bandpass

Details Birefringent optical multiplexer with flattened bandpass Birefringent optical multiplexer with flattened bandpass

1985-10-28

1987-08-11

Arnold, Bruce Y.

Multiplex communications

Wide area network

Packet switching

370 2, G02B 530, H04J 108

Patent

active

046857737

ABSTRACT:
A birefringent optical wavelength multiplexer/demultiplexer includes a first polarization beam-splitter, a first reflector, a plurality of birefringent elements, a second reflector, and a second polarization beam-splitter. The plurality of birefringent elements are so oriented that each element introduces an additional sinusoidal component to the transfer function of the device that tends to effectuate a flattened transfer function.

REFERENCES:
patent: 2182142 (1939-12-01), Ball et al.
patent: 3532890 (1970-10-01), Denton
patent: 3584221 (1971-06-01), Furukawa
Shirasaki, M., et al., "Compact Optical Isolator for Fibers Using Birefringent Wedges," Applied Optics, vol. 21, No. 23, Dec. 1, 1982, pp. 4296-4299.

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