OPTICAL DEVICE UNIT, OPTICAL DEVICE, AND MICROLENS ARRAY

摘要

An optical device unit comprising optical fibers for input and output, a lens, a reflective/semitransparent optical element, wherein lenses the number of which are the same as the optical fifers for input and output are provided, and the optical fibers, the lenses, and the reflective/semitransparent optical element is so disposed that the input/output ends of the optical fibers, the optical axis centers of the lenses and the reflection/transmission point of the reflective/semitransparent optical element are aligned.