Apparatus for wavelength-division multiplexing and demultiplexing
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United States of America Patent
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Jul 14, 2015
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Jul 4, 2013
app pub date -
Jul 11, 2011
filing date -
Sep 20, 2010
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Abstract
The present invention relates to an apparatus for wavelength-division multiplexing and demultiplexing, to an optical communication module, and to an optical device. The apparatus for wavelength-division multiplexing and demultiplexing comprises: a first lens block having a lens array at one side thereof; a second lens block having a lens surface corresponding to the lens array and combined with the other side of the first lens block; a receptacle having an optical fiber ferrule fixed at the center thereof and stacked on the second lens block; and a base combined with one side of the first lens block, wherein the first block is stacked on the base.
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