Collimator block for optical functional module

摘要

An optical functional module collimator block capable of easily adjusting the position and/or direction of collimators opposed to each other and capable of correcting an error in the position or direction. The collimator module has an adjusting device for optical axis alignment between two collimators held by holding members on a base member in a state of being opposed to each other. The adjusting device includes fixing screws for fixing at least one of the holding members on the base member, and adjusting screws for adjusting the position and/or direction of the holding member.