Force and deflection sensor with shell membrane and optical gratings and method of manufacture

Moslehi, Behzad ; Park, Yong-Lae ; Chau, Kelvin K ; Cutkosky, Mark R. ; Black, Richard James

PID  :  NTRS Document ID: 20110008920

学科分类：物理（综合）

美国|英语

来源: NASA Technical Reports Server

【 摘 要 】

A sensor for force is formed from an elastomeric cylinder having a region with apertures. The apertures have passageways formed between them, and an optical fiber is introduced into these passageways, where the optical fiber has a grating for measurement of tension positioned in the passageways between apertures. Optionally, a temperature measurement sensor is placed in or around the elastomer for temperature correction, and if required, a copper film may be deposited in the elastomer for reduced sensitivity to spot temperature variations in the elastomer near the sensors.