| 摘要 |
An optical path switching apparatus, which includes an optical element array having a plurality of first optical elements, for optically coupling one of the first optical elements with a second optical element including: a guide extending substantially parallel to an alignment of the first optical elements; a movement mechanism for moving the second optical element, the movement mechanism including a movement portion capable of moving along the guide, the movement portion supporting the second optical element; and position detector for detecting a position of the second optical element.
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