Method of making a distributed optical fiber sensor having enhanced Rayleigh scattering and enhanced temperature stability, and monitoring systems employing same

Chen, Peng Kevin; Yan, Aidong; Buric, Michael P.; Ohodnicki, Paul R.; Huang, Sheng

Title: Method of making a distributed optical fiber sensor having enhanced Rayleigh scattering and enhanced temperature stability, and monitoring systems employing same

Patent · Tue Oct 11 00:00:00 EDT 2022

OSTI ID:1986688

Chen, Peng Kevin; Yan, Aidong; Buric, Michael P.; Ohodnicki, Paul R.; Huang, Sheng

A method of making an optical fiber sensor device for distributed sensing includes generating a laser beam comprising a plurality of ultrafast pulses, and focusing the laser beam into a core of an optical fiber to form a nanograting structure within the core, wherein the nanograting structure includes a plurality of spaced nanograting elements each extending substantially parallel to a longitudinal axis of optical fiber. Also, an optical fiber sensor device for distributed sensing includes an optical fiber having a longitudinal axis, a core, and a nanograting structure within the core, wherein the nanograting structure includes a plurality of spaced nanograting elements each extending substantially parallel to the longitudinal axis of the optical fiber. Also, a distributed sensing method and system and an energy production system that employs such an optical fiber sensor device.

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Research Organization:: Univ. of Pittsburgh, PA (United States)

Sponsoring Organization:: USDOE; National Science Foundation (NSF)

DOE Contract Number:: FE0028992; NE0008686; CMMI-1300273

Assignee:: University of Pittsburgh—Of The Commonwealth System of Higher Education (Pittsburgh, PA)

Patent Number(s):: 11,467,338

Application Number:: 16/807,232

OSTI ID:: 1986688

Resource Relation:: Patent File Date: 03/03/2020

Country of Publication:: United States

Language:: English

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