6 papers
On the holonomy of Lie algebroids
Pooja Joshi, Joel Villatoro
We introduce a holonomy groupoid for Lie algebroids. This construction generalizes both the holonomy groupoid of a foliation and the adjoint representation of a Lie algebra. We pro…
Compact omnidirectional multicore fiber-based vector bending sensor
Josu Amorebieta, Angel Ortega-Gomez, Gaizka Durana +6
We propose and demonstrate a compact and simple vector bending sensor capable of distinguishing any direction and amplitude with high accuracy. The sensor consists of a short segme…
Sensitivity-optimized strongly coupled multicore fiber-based thermometer
Josu Amorebieta, Ãngel Ortega-Gómez, Rubén Fernández +6
In this paper, we report on a multicore fiber-based (MCF) temperature sensor that operates in a wide thermal range and that is robustly packaged to withstand harsh environments. To…
Composed multicore fiber structure for direction-sensitive curvature monitoring
Joel Villatoro, Josu Amorebieta, Ãngel Ortega-Gómez +4
The present work deals with a curvature sensor that consists of two segments of asymmetric multicore fiber (MCF) fusion spliced with standard single mode fiber (SMF). The MCF compr…
Highly sensitive multicore fiber accelerometer for low frequency vibration sensing
Josu Amorebieta, Ãngel Ortega-Gómez, Gaizka Durana +6
We report on a compact, highly sensitive all-fiber accelerometer suitable for low frequency and low amplitude vibration sensing. The sensing elements in the device are two short se…
Twin-core fiber sensor integrated in laser cavity
Josu Amorebieta, Joao Pereira, Gaizka Durana +5
In this work, we report on a twin-core fiber sensor system that provides improved spectral efficiency, allows for multiplexing and gives low level of crosstalk. Pieces of the refer…