Chinese Academy of Sciences

Yanwu Chu

Xiangang Luo

Yanqin Wang

Changtao Wang

Tiancheng Gong

Chengwei Zhao

Guiyuan Jia

Provided are an F-P sensor probe, an absolute distance measurement device, and an absolute distance measurement method, which relate to the field of non-contact absolute distance measurement technologies. This structure includes a first N+1-core multimode optical fiber probe (), an optical fiber sleeve (), an imaging lens group (), and a reference lens (), wherein: the first N+1-core multimode optical fiber probe (), the imaging lens group (), and the reference lens () are sequentially fixed inside the optical fiber sleeve () along a direction of the F-P sensor probe toward a sample (); and the first N+1-core multimode optical fiber probe () includes N first multimode optical fibers () and one second multimode optical fiber (), where N≥2, and the N first multimode optical fibers () are arranged around the second multimode optical fiber ().

Growing community of inventors

Sichuan, China

Yanwu Chu