Wavelength division optical multiplexer/demultiplexer
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United States of America Patent
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Feb 17, 1987
Issued Date -
N/A
app pub date -
Jun 12, 1986
filing date -
Oct 3, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A wavelength division multiplexing or demultiplexing optical coupler of the diffraction grating type includes a pure fused silica optical element having a convex spherical surface on one end and a diffraction grating on a portion of its other end. The remaining portion of its other end receives a multiple fiber array for transmitting and receiving the light to be multiplexed or demultiplexed.
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