FIBER OPTIC SENSOR BASED ON SPIRAL STRUCTURE

WIPO Patent Application WO/2011/124126

A1

A fiber optic sensor based on spiral structure is a multi-loop spiral member (4) formed by spring wires. A plurality of deformation teeth (4-1,4-2) are continuously distributed on the upper surface (10) and the lower surface (12) of the spring wires in a longitudinal direction along the spring wires; in two adjacent loops of the spring wires, the deformation teeth (4-1) on the lower surface (12) of the upper spring wire and the deformation teeth (4-2) on the upper surface (10) of the lower spring wire correspond to each other in a staggered way. A signal optical fiber (6) is clamped between the deformation teeth (4-1) on the lower surface (12) of the upper spring wire and the deformation teeth (4-2) on the upper surface (10) of the lower spring wire, and connected to a test unit (5) by a transmission optical fiber (1).

DU, Bing (NO. 4322 Room, 3rd Unit 4th Building,No. 65 Tietasi Road, Lianhu Distric, Xi'an Shaanxi 2, 710082, CN)
杜兵 (中国陕西省西安市莲湖区铁塔寺路65号4号楼3单元4322室, Shaanxi 2, 710082, CN)
DU, Wei (4/F, 3rd Unit 18th Building,NO. 25 Gongyuannan Road, Xincheng Distric, Xi'an Shaanxi 3, 710043, CN)

CN2011/072457

October 13, 2011

April 06, 2011

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XIAN GENHER OPTICAL TECH. COMPANY (DU Bing, No. 1501 Room Block B, Danfeng International Building,No. 4 Gaoxin Road, Gaoxin Distric, Xi'an Shaanxi 5, 710075, CN)
西安金和光学科技有限公司 (中国陕西省西安市高新区高新四路丹枫国际B座1501室杜兵, Shaanxi 5, 710075, CN)
DU, Bing (NO. 4322 Room, 3rd Unit 4th Building,No. 65 Tietasi Road, Lianhu Distric, Xi'an Shaanxi 2, 710082, CN)
杜兵 (中国陕西省西安市莲湖区铁塔寺路65号4号楼3单元4322室, Shaanxi 2, 710082, CN)

G01L1/24; G01B11/16; G01D5/353

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