The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 24, 2024
Filed:
Dec. 05, 2022
The Institute of Optics and Electronics, the Chinese Academy of Sciences, Sichuan, CN;
Xiangang Luo, Sichuan, CN;
Tiancheng Gong, Sichuan, CN;
Chengwei Zhao, Sichuan, CN;
Yanqin Wang, Sichuan, CN;
Guiyuan Jia, Sichuan, CN;
Yanwu Chu, Sichuan, CN;
Changtao Wang, Sichuan, CN;
Abstract
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 ().