In this paper, a new optical fiber humidity sensor based on superhydrophilic coating is proposed. The electrostatic self-assembly technique has been used to create a nanometric scale surface on the… (More)
The optical characteristics of one multimode fiber (MMF)-hollow core fiber (HCF)-structure when a nanofilm is deposited on it has been theoretically and experimentally studied. The electrostatic… (More)
In this paper, two different pH sensors based on the deposition of nanometric scale polymeric films onto the surface of a long-period fiber grating (LPFG) have been studied and compared. An… (More)
In this work a new humidity sensor based on lossy mode resonances (LMR) generated on a biconically tapered single mode optical fiber is presented. The tapered fiber was coated only on one side using… (More)
In this paper, the response of a tapered optical fiber humidity sensor is optimized, attending to the thickness of the sensitive coating, the dimensions of the taper, the light source, and the… (More)
A new humidity sensor has been developed by coating a tapered single-mode standard communications fiber with a humidity sensitive nanofilm using the electrostatic self-assembled (ESA) monolayer… (More)
In this work a new relative humidity sensor based on the deposition of a subwavelength thickness overlay of alumina (Al2O3) and poly(Sodium 4-StyreneSulfonate) (PSS) on the cladding of a Long-Period… (More)
In this work, the generation of electromagnetic resonances due to the deposition of a nanocoating on a tapered single-mode optical fiber is analyzed. The layer-by-layer technique is used to control… (More)
This contribution presents a pH sensor based on the combination of two technologies: tapered standard-single mode optical fiber (S-SMF) and an electromagnetic resonance phenomenon called Lossy Mode… (More)
Lossy mode resonances can be generated with certain polymeric nanostructures, such as those obtained with a multilayered assembly of poly(allylamine hydrochloride) and poly(acrylic acid). This… (More)