Optical wavelength demultiplexer

Details Optical wavelength demultiplexer Optical wavelength demultiplexer

1985-07-25

1988-02-09

Sikes, William L.

350 9616, 350 9615, 35016223, G02B 628

Patent

active

047238291

ABSTRACT:
A device for separating radiation beams of different wavelengths, which emerge from an optical fiber. The device includes a reflection grating and a wavelength-selective mirror. The wavelength-selective mirror is arranged between the optical fiber and the reflection grating. The mirror reflects radiation beams of wavelengths which are spaced comparatively far from the wavelengths of the radiation beams of comparatively closely spaced wavelengths. The reflected beam is reflected to an output fiber. The mirror transmits the radiation beams of comparatively closely spaced wavelengths to the reflection grating.

REFERENCES:
patent: 3753148 (1973-08-01), Billman
patent: 4583820 (1986-04-01), Flamand et al.
patent: 4591237 (1986-05-01), Laude
"Viabilities of the Wavelength-Division-Multiplexing Transmission System Over an Optical Fiber Cable" by Miki et al, IEEE Transactions on Communications, vol. COM-26, No. 7 (Jul. 1978).
"Viabilites of the Wavelength-Division-Multiplexing Transmission System Over an Optical Fiber Cable", Miki, IEEE Transactions on Communications, vol. COM-26, No. 7, Jul. 1978.
"Reflection Grating as Elements in Far Infrared Masers", Eric Brannen, Univ. of Western Ontario, London, Canada, Dec. 1965.
Watanabe, R. et al., "Optical Multi/Demultiplexers for Single-Mode Fiber Transmission," IEEE J. Quantum Elec., vol. QE-17, No. 6, pp. 974-1091 (Jun. 1981).
Nosu, K. et al., "A Design on Two-Way Wavelength-Division Multiplexing Transmission For Fiber Optic Subscriber Loops" Nat'l Telecom. Conf., Houston, 1982, vol. 2, pp. 34.1.1-34.1.6.

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