Compact and multiplexible hydrogen gas sensor assisted by self-referencing technique

KS Park, YH Kim, JB Eom, SJ Park, MS Park… - Optics express, 2011 - opg.optica.org
We have experimentally implemented a multiplexible but compact fiber sensor system
suitable for multipoint sensing of hydrogen gas leakage. By making dual cavities along an …

Self-compensated microstructure fiber optic sensor to detect high hydrogen concentration

S Tang, B Zhang, Z Li, J Dai, G Wang, M Yang - Optics Express, 2015 - opg.optica.org
Dual-cavity microstructure fiber optic hydrogen sensor based on evaporated Pt/WO_3 film
was proposed and experimentally explored in this paper, which provides a novel solution to …

Dual-wavelength speckle-based SI-POF sensor for cost-effective detection of microvibrations

PJ Pinzón, DS Montero, A Tapetado… - IEEE Journal of …, 2016 - ieeexplore.ieee.org
In this work, a novel method for cost-effective remote sensing of microvibrations is
presented. The proposed technique detects periodical changes in the spatial distribution of …

Coarse WDM networking of self-referenced fiber-optic intensity sensors with reconfigurable characteristics

DS Montero, C Vázquez, JM Baptista, JL Santos… - Optics express, 2010 - opg.optica.org
A CWDM network operating in reflective configuration for multiplexing remote Radio-
Frequency (RF) self-referenced fiber-optic intensity sensors is analyzed and experimentally …

A self-referencing intensity-based fiber optic sensor with multipoint sensing characteristics

SJ Choi, YC Kim, M Song, JK Pan - Sensors, 2014 - mdpi.com
A self-referencing, intensity-based fiber optic sensor (FOS) is proposed and demonstrated.
The theoretical analysis for the proposed design is given, and the validity of the theoretical …

Radio-frequency self-referencing technique with enhanced sensitivity for coarse WDM fiber optic intensity sensors

J Montalvo, O Frazão, JL Santos, C Vázquez… - Journal of Lightwave …, 2009 - opg.optica.org
A self-referenced passive optical network (PON) with coarse wavelength division
multiplexing (CWDM) is reported for remotely addressing optical intensity sensors with …

[HTML][HTML] Self-referenced optical networks for remote interrogation of quasi-distributed fiber-optic intensity sensors

DS Montero, C Vázquez - Optical Fiber Technology, 2020 - Elsevier
Different multiplexing techniques for passively addressing fiber-optic sensors and
compensation schemes for overcoming the undesirable optical signal losses to provide self …

CWDM self-referencing sensor network based on ring resonators in reflective configuration

J Montalvo, C Vázquez, DS Montero - Optics Express, 2006 - opg.optica.org
A new scalable self-referencing sensor network with low insertion losses implemented in
Coarse Wavelength Division Multiplexing (CWDM) technology is reported. It allows …

Twisted dual-cycle fiber optic bending loss characteristics for strain measurement

SJ Choi, SY Jeong, C Lee, KG Park, JK Pan - Sensors, 2018 - mdpi.com
The intensity-based fiber optic sensor (FOS) head using twisted dual-cycle bending loss is
proposed and experimentally demonstrate. The bending loss characteristics depend on the …

Electrical FIR filter with optical coefficients for self-referencing WDM intensity sensors

J Montalvo, FM Araújo, LA Ferreira… - IEEE Photonics …, 2007 - ieeexplore.ieee.org
In this letter, a novel radio-frequency finite impulse reponse (FIR) electrooptical configuration
for self-referencing optical wavelength-division-multiplexed intensity sensors is reported. By …