| 摘要 |
There are provided a substantially cylindrical optical component, a method for connecting the same, and an optical module having the optical component, whereby adequate gripping force can be exerted during positioning or fixing, and the position in the azimuthal angle about the cylinder axis can be easily aligned. The optical component comprises a substantially cylindrical elongated member, an outer peripheral portion of which includes a cylindrical portion and a side plane portion that has a flat surface, the flat surface being parallel to a central axis to the elongated member. The optical module is composed of a planar light circuit device connected to a rod lens or capillary. With the method for connecting the optical component, the optical component of the present invention is positioned using the side plane portion as a reference, and is connected to another optical component.
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