SIDE LIGHT INPUT/OUTPUT DEVICE WITH AXIS ADJUSTMENT FUNCTION AND ADJUSTMENT METHOD THEREOF

摘要

PROBLEM TO BE SOLVED: To adjust an optical axis of a probe optical fiber with a simple configuration by a simple method of only adjusting a bending direction of an input object optical fiber.

SOLUTION: A bending direction of an input objet optical fiber F1fixed in a V groove 1A in an input object optical fiber fixing region A is varied on a plane of an axis adjustment region B by rotation around a center axis of the input objet optical fiber F1. When the bending direction of the input objet optical fiber F1is varied, a cross section of the optical fiber is flattened to minutely vary the center axis of the input objet optical fiber F1in an end part of the V groove. This fact is utilized to adjust a positional relation to a strand part front end of a probe optical fiber.

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