Optical modules and optical measurement devices

Abstract

The present invention aims to provide an optical module 5 in which the photoelectric conversion element 1 is fixed with high precision and good reproducibility, without any positional offset or tilt offset relative to the optical axis of the holding surface 21 of the mounting member 2. An optical module 5 includes: a photoelectric conversion element 1 capable of converting electricity into light or light into electricity; and a mounting member 2 for mounting the photoelectric conversion element 1. The mounting member 2 includes: a holding surface 21 for holding the photoelectric conversion element 1; and a through hole 22 penetrating the mounting member 2. The photoelectric conversion element 1 is fixed to the mounting member 2 by an adhesive 3 within the through hole 22 while in close contact with the holding surface 21.

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