Patent ID: 9239429
Filing Date: 2016-01-19
CPC Classification: A61B,G01D,G02B

Claim Text:
1. A fiber sensor comprising: a light source; an optical fiber having flexibility that guides light emitted from the light source along an optical path, the optical fiber comprising light characteristics conversion portions, the light characteristics conversion portions being provided at different positions on the optical fiber in a longitudinal direction; a light-receiving unit that receives the light guided by the optical fiber; and the optical fiber further including identification units that are arranged to correspond to the light characteristics conversion portions respectively, the optical fiber corresponding to each of the identification units having a cross-sectional shape orthogonal to the optical path different from a cross-sectional shape orthogonal to the optical path of an adjacent portion of the optical fiber, wherein each of the cross-sectional shapes of the optical fiber corresponding to the identification units are formed to enable identification of at least one of an installation position and posture of the light characteristics conversion portions provided on the optical fiber.