Study of Optical Fiber Sensors for Cryogenic Temperature Measurements
Veronica De Miguel-Soto,
Daniel Leandro,
Aitor Lopez-Aldaba,
Juan Jesus Beato-López,
José Ignacio Pérez-Landazábal,
Jean-Louis Auguste,
Raphael Jamier,
Philippe Roy,
Manuel Lopez-Amo
Affiliations
Veronica De Miguel-Soto
Institute of Smart Cities and Department of Electrical and Electronic Engineering, Campus de Arrosadia S/N, Universidad Pública de Navarra, Pamplona E-31006, Spain
Daniel Leandro
Institute of Smart Cities and Department of Electrical and Electronic Engineering, Campus de Arrosadia S/N, Universidad Pública de Navarra, Pamplona E-31006, Spain
Aitor Lopez-Aldaba
Institute of Smart Cities and Department of Electrical and Electronic Engineering, Campus de Arrosadia S/N, Universidad Pública de Navarra, Pamplona E-31006, Spain
Juan Jesus Beato-López
Department of Physics, Universidad Pública de Navarra, Pamplona 31006, Spain
José Ignacio Pérez-Landazábal
Department of Physics, Universidad Pública de Navarra, Pamplona 31006, Spain
Jean-Louis Auguste
Xlim, Fibre Photonics Department, UMR CNRS/University of Limoges 7252, 87060 Limoges Cedex, France
Raphael Jamier
Xlim, Fibre Photonics Department, UMR CNRS/University of Limoges 7252, 87060 Limoges Cedex, France
Philippe Roy
Xlim, Fibre Photonics Department, UMR CNRS/University of Limoges 7252, 87060 Limoges Cedex, France
Manuel Lopez-Amo
Institute of Smart Cities and Department of Electrical and Electronic Engineering, Campus de Arrosadia S/N, Universidad Pública de Navarra, Pamplona E-31006, Spain
In this work, the performance of five different fiber optic sensors at cryogenic temperatures has been analyzed. A photonic crystal fiber Fabry-Pérot interferometer, two Sagnac interferometers, a commercial fiber Bragg grating (FBG), and a π-phase shifted fiber Bragg grating interrogated in a random distributed feedback fiber laser have been studied. Their sensitivities and resolutions as sensors for cryogenic temperatures have been compared regarding their advantages and disadvantages. Additionally, the results have been compared with the given by a commercial optical backscatter reflectometer that allowed for distributed temperature measurements of a single mode fiber.
