ZnO Coated Optical Fiber for Alcohol Sensing Applications

Plastic optical fiber sensing that coated with ZnO is developed and its interaction with ethanol and methanol solution is investigated. ZnO is synthesized sonochemically by using the bath type sonicator. The optical properties such as transmittance, absorbance and refractive index of ZnO is determined by using ultraviolet-visible (UV-Vis) spectrophotometer. Then, the cladding of plastic optical fiber (POF) is etched by using acetone solution, sand paper and deionized water. The unclad region is coated with ZnO and being immersed in the solution of ethanol and methanol in the range from 0 v/v% to 50 v/v%. The performance of ZnO coated POF is achieved by obtaining the power output value that transmitted via power meter. The result of this research is as the alcohol concentration increase, the power output value increase. Refractive index of ZnO is varied due to interaction between modified-cladding area and alcohol. Besides that, more light propagates inside the fiber when the sensor is tested under methanol solution compare to ethanol. Thus, the power output ratio increments as well as the sensor efficiency and shows the effectiveness of POF sensor to detect varied alcohol concentration.

Download Full-text

Structure optimization of gold-sputtered side-polished U-shaped plastic optical fiber SPR sensor

Sensor Review ◽

10.1108/sr-12-2020-0281 ◽

2021 ◽

Vol ahead-of-print (ahead-of-print) ◽

Author(s):

Jianxing Jian Gu ◽

Chen Yu ◽

ZhenZe Yang ◽

Peng Xue ◽

Ning Jing ◽

...

Keyword(s):

Optical Fiber ◽

Conflicts Of Interest ◽

Spectral Response ◽

Plastic Optical Fiber ◽

Fiber Sensors ◽

Content Type ◽

Sensor Optimization ◽

Fiber Sensing ◽

Optical Fiber Sensing ◽

Practical Implications

Purpose This study aims to optimize the structure of gold-sputtered U-shaped plastic fiber sensors. Design/methodology/approach A group of U-shaped Au-sputtered plastic optical fiber sensing probes with polishing angles of 45°, 90° and 135° is prepared. Findings The experimental results show that the spectral response and sensitivity of the sensor at 45°polishing angle is twice that of the sensor at 90°. Research limitations/implications Due to the limitations of laboratory temperature and equipment, the overall effect has not reached the ideal, but the expected effect has been obvious. Experiments also optimize the sensor. Practical implications Optical fiber sensing has always been an indispensable part of various fields. Social implications Sensor optimization is of great help to the progress of technology and the development of science and technology. Originality/value The authors have no conflicts of interest to disclose.

Download Full-text

Plastic Optical Fiber Sensing of Alcohol Concentration in Liquors

Journal of Sensors ◽

10.1155/2012/709849 ◽

2012 ◽

Vol 2012 ◽

pp. 1-5 ◽

Cited By ~ 12

Author(s):

Masayuki Morisawa ◽

Shinzo Muto

Keyword(s):

Optical Fiber ◽

Fast Response ◽

Alcohol Concentration ◽

Novolac Resin ◽

Sensor Head ◽

Cladding Layer ◽

Fiber Sensing ◽

Sensing System ◽

Green Led ◽

Optical Fiber Sensing

A simple optical fiber sensing system of alcohol concentration in liquors has been studied. In this sensor head, a mixture polymer of novolac resin and polyvinylidenefluoride (PVDF) with a ratio of 9 : 1 was coated as a sensitive cladding layer on the plastic fiber core made of polystyrene-(PS-)coated polycarbonate (PC). Using this sensor head and a green LED light source, it was confirmed that alcohol concentration in several kinds of liquors from beer to whisky can easily be measured with a fast response time less than 1 minute.

Download Full-text

Localized Surface Plasmon Resonance for Optical Fiber-Sensing Applications

Nanoplasmonics - Fundamentals and Applications ◽

10.5772/67544 ◽

2017 ◽

Author(s):

Pedro J. Rivero ◽

Javier Goicoechea ◽

Francisco J. Arregui

Keyword(s):

Surface Plasmon Resonance ◽

Optical Fiber ◽

Surface Plasmon ◽

Plasmon Resonance ◽

Localized Surface Plasmon Resonance ◽

Localized Surface Plasmon ◽

Fiber Sensing ◽

Sensing Applications ◽

Optical Fiber Sensing

Download Full-text

Optical Fiber Sensing System Based on Long-Period Gratings for Remote Refractive Index Measurement in Aqueous Environments

Fiber & Integrated Optics ◽

10.1080/01468031003759493 ◽

2010 ◽

Vol 29 (3) ◽

pp. 160-169 ◽

Cited By ~ 8

Author(s):

C. Silva ◽

João M. P. Coelho ◽

P. Caldas ◽

O. Frazão ◽

P. A. S. Jorge ◽

...

Keyword(s):

Refractive Index ◽

Optical Fiber ◽

Refractive Index Measurement ◽

Long Period ◽

Fiber Sensing ◽

Sensing System ◽

Long Period Gratings ◽

Index Measurement ◽

Aqueous Environments ◽

Optical Fiber Sensing

Download Full-text

Silk: A bio-derived coating for optical fiber sensing applications

Sensors and Actuators B Chemical ◽

10.1016/j.snb.2020.127864 ◽

2020 ◽

Vol 311 ◽

pp. 127864 ◽

Cited By ~ 1

Author(s):

Asma Khalid ◽

Lu Peng ◽

Azim Arman ◽

Stephen C. Warren-Smith ◽

Erik P. Schartner ◽

...

Keyword(s):

Optical Fiber ◽

Fiber Sensing ◽

Sensing Applications ◽

Optical Fiber Sensing

Download Full-text

1D phase unwrapping based on the quasi-Gramian matrix and deep learning for interferometric optical fiber sensing applications

Journal of Lightwave Technology ◽

10.1109/jlt.2021.3118394 ◽

2021 ◽

pp. 1-1

Author(s):

Lei Kong ◽

Ke Cui ◽

Jiabin Shi ◽

Ming Zhu ◽

Simeng Li

Keyword(s):

Deep Learning ◽

Optical Fiber ◽

Phase Unwrapping ◽

Gramian Matrix ◽

Fiber Sensing ◽

Sensing Applications ◽

Optical Fiber Sensing

Download Full-text

Performance of digital incoherent OFDR and prospects for optical fiber sensing applications

10.1117/12.2059639 ◽

2014 ◽

Author(s):

Sascha Liehr ◽

Nils Nöther ◽

Milan Steffen ◽

Oriol Gili ◽

Katerina Krebber

Keyword(s):

Optical Fiber ◽

Fiber Sensing ◽

Sensing Applications ◽

Optical Fiber Sensing

Download Full-text

Layer-by-Layer Nano-assembly: A Powerful Tool for Optical Fiber Sensing Applications

Sensors ◽

10.3390/s19030683 ◽

2019 ◽

Vol 19 (3) ◽

pp. 683 ◽

Cited By ~ 17

Author(s):

Pedro Rivero ◽

Javier Goicoechea ◽

Francisco Arregui

Keyword(s):

Optical Fiber ◽

Multilayer Structure ◽

Optical Fiber Sensors ◽

Layer By Layer ◽

Fiber Sensors ◽

Fiber Sensing ◽

Sensing Applications ◽

Assembly Method ◽

Metal Metal ◽

Optical Fiber Sensing

The ability to tune the composition of nanostructured thin films is a hot topic for the design of functional coatings with advanced properties for sensing applications. The control of the structure at the nanoscale level enables an improvement of intrinsic properties (optical, chemical or physical) in comparison with the traditional bulk materials. In this sense, among all the known nanofabrication techniques, the layer-by-layer (LbL) nano-assembly method is a flexible, easily-scalable and versatile approach which makes possible precise control of the coating thickness, composition and structure. The development of sensitive nanocoatings has shown an exceptional growth in optical fiber sensing applications due to their self-assembling ability with oppositely charged components in order to obtain a multilayer structure. This nanoassembly technique is a powerful tool for the incorporation of a wide variety of species (polyelectrolytes, metal/metal oxide nanoparticles, hybrid particles, luminescent materials, dyes or biomolecules) in the resultant multilayer structure for the design of high-performance optical fiber sensors. In this work we present a review of applications related to optical fiber sensors based on advanced LbL coatings in two related research areas of great interest for the scientific community, namely chemical sensing (pH, gases and volatile organic compounds detection) as well as biological/biochemical sensing (proteins, immunoglobulins, antibodies or DNA detection).

Download Full-text