Simple Few-Mode Sensor with Temperature-Strain Discrimination
Conference: ECOC 2024 - 50th European Conference on Optical Communication
09/22/2024 - 09/26/2024 at Frankfurt, Germany
Proceedings: ITG-Fb. 317: ECOC 2024
Pages: 4Language: englishTyp: PDF
Authors:
Gruener-Nielsen, Lars; Vandborg, Mads; Irawati, Ninik; Rottwitt, Karsten; Lassen, Mikael
Abstract:
A simple few-mode interference sensor is introduced. Using interference from beating between the fundamental mode and two different higher-order modes, temperature-strain discrimination is possible. By use of a Fourier filter, it is possible to detect both beat patterns simultaneously.