The optical component according to the present invention includes a fixed member (1) including a through hole (3-1), and a wavelength conversion member (2) having at least one part thereof arranged in the through hole, where the fixed member is formed with a cut-in part or a hole part (6-1) in a direction substantially perpendicular to the longitudinal direction of the through hole, the cut-in or hole part being filled with a fixing means (6-2).
