Optical data link dual wavelength coupler

Details Optical data link dual wavelength coupler Optical data link dual wavelength coupler

1988-06-15

1990-02-27

Lee, John D.

350 9615, G02B 632

Patent

active

049040430

ABSTRACT:
A dual wavelength optical coupler is disclosed which provides either bidirectional or unidirectional communication at different wavelengths over a single fiber. The coupler utilizes a dichroic filter and a set of three lenses to achieve dual wavelength communication. Additional blocking filters may be incorporated to decrease the degree of optical crosstalk present in the system.

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