| 摘要 |
<p>PURPOSE: A wavelength division multiplexing and de-multiplexing apparatus is provided to easily arrange lenses by fixing a first lens block and a second lens block on a base. CONSTITUTION: A first optic block(140) comprises a lens array on one side. A second lens block(160) comprises a lens surface corresponding to the lens array The second lens block is combined with the other side of the first optic block. A receptacle(170) is laminated on the second lens block. A base is combined with one side of the first lens block.</p> |
