Optical reflector, optical system and optical...

Details Optical reflector, optical system and optical... Optical reflector, optical system and optical...

2007-05-15

2009-08-18

Hughes, James P (Department: 2883)

Optical waveguides

With optical coupler

Particular coupling structure

C398S150000, C398S154000, C398S155000

Reexamination Certificate

active

07577328

ABSTRACT:
An optical reflector, an optical multiplexer/demultiplexer device and an optical system which can allow more flexible arrangement of an optical filter thereof, and enhance performance of wavelength division multiplexing communication thereof are provided.An optical reflector according to the present invention comprises a first and second optical fiber14, 16, each being connected to one side of an optical propagating region such as a rod lens12causing optical strength distributions depending on respective wavelengths of lights to be propagated in the optical propagating region; a mirror18disposed on the other side of the optical propagating region; and an optical filter20disposed between the first and second optical fibers14, 16and the mirror18.The optical filter20is reflected a light having a first wavelength and allows another light having a second wavelength to be transmitted therethrough; and the mirror18is reflected the light having the second wavelength, so that the lights having the first and second wavelengths are propagated between the first optical fiber14and the second optical fiber16.

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Hironori Tanaka, et al.; Development of High Isolation WDM; 2004 General Conference of the Institute of Electronics, Information and Communication Engineers; March; pp. 1-2.

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