Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Combined swept-carrier and swept-modulation frequency optical frequency domain reflectometry

Combined swept-carrier and swept-modulation frequency optical frequency domain reflectometry

US Patent 9267821 · Granted Feb 23, 2016

Estimated economic value: $14,091,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Directing light into an optical fiber2025
Overlapping fiber gratings2025
Overlapping fiber gratings2023
Overlapping fiber gratings2022
Index-matched grating inscription through fiber coating2020
DAS-based downhole tool orientation determination2020
Depth correction based on optical path measurements2019
Depth correction based on optical path measurements2019
Distributed downhole acousting sensing2017
Distributed downhole acousting sensing2017
Temperature sensing arrangement, method of making the same and method of sensing2017
Temperature sensing arrangement, method of making the same and method of sensing2017