Guide Square-Wave Long-Period Fiber Grating Fabricated With Double
The novelty of this sensor lies in the square-wave period grating structure created by a different etching rate on the surface of the optical fiber during the laser-assisted wet etching process
Guide Temperature Stability and Spectral Tuning of Long
Abstract and Figures Long period fiber gratings (LPFGs) were fabricated in a standard single mode fiber (SMF-28e) through femtosecond (fs)
Guide Photoresist-free, laser-assisted chemical etching
The LLPFG, which has a period of 610 µm, was scanned using a KrF excimer laser. The results showed a resonant-attenuation wavelength of 1551 nm through a fiber
Guide Long Period Grating based Optical Fiber Sensors: Fabrication Techniques
Advantages of long-period grating (LPG) based optical fibers for sensing applications along with different fabrication techniques to draw grating on the core of fiber have been reviewed. Some advantages
Guide Perfectly notched long-period fiber grating filter based on ICP dry
This study presents a new process using inductively a coupled plasma dry etching method to manufacture a long-period fiber grating filter with exact period, vertical sidewalls, and
Guide Sensitivity-optimized long-period fiber gratings for refractive index
A long-period fiber grating sensor was fabricated by periodically changing the structure of single-mode fiber with an electric arc discharge technique. After the fabrication, the refractive index
Guide Square-Wave Long-Period Fiber Grating Fabricated With Double
This study presents a square-wave double-sided long-period fiber grating sensor that was fabricated using pattern inscription by laser-assisted etching with a KrF 248-nm excimer and an
Guide Core-modulated long-period fiber gratings formed by heating and
1. Introduction Recently, long-period fiber gratings (LPFGs) are optical devices that are extensively used in the fields of structural health monitoring, biomonitoring and artificial intelligence
Guide Fabrication and application of a novel long period fiber grating with
In this paper, a new core modulation method is proposed for the first time. A novel long period fiber grating with arched fiber core is fabricated and the sensing characteristics are
Guide Novel fabrication method of corrugated long-period fiber gratings by
A novel fabrication method for corrugated long-period fiber gratings (CLPFG) is presented in this study. The patterned SU-8 photoresist is used as a double-side stopper layer for a wet-etching process to
Guide Fabrication and sensing characteristics of arc-induced long-period
The fabrication of long period fiber gratings (LPFGs) based on thin-cladding fiber (TCF) has been demonstrated by adopting electric-arc discharge (EAD) technique. In order to analyze the
Guide Spectral Tuning of Long Period Fiber Gratings Fabricated by
The coupling resonant wavelength can easily be controlled by simply tuning the grating period with its period being defined by the laser beam''s modulation frequency and fiber translation
Guide Photoresist-free, laser-assisted chemical etching
In this process, the laser etching causes tiny long-period notches to be etched on the fiber surface, distinguishing the etching rate of the process from that of standard
Guide Photoresist-free, laser-assisted chemical etching
In this study, we propose a photoresist-free, laser-assisted wet chemical etching process used to control the grating depth of a long-period fiber
Guide Perfectly notched long-period fiber grating filter based on ICP dry
The results demonstrated that the proposed NLPFG has a much better period precision compared to corrugated LPFG, and it has great potential for a loss-tunable filter and force transducer applications.
Guide Perfectly notched long-period fiber grating filter
This study presents a new process using inductively a coupled plasma dry etching method to manufacture a long-period fiber grating filter with exact period, vertical sidewalls, and smooth etched
Guide CO2 laser-induced long-period fiber grating in the dispersion turning
A CO 2 laser-induced long-period fiber grating (LPFG) in the dispersion turning point (DTP) has been proposed in this work, which has demonstrated the possibility of fabricating LPFG
Guide Photoresist-free, laser-assisted chemical etching process for long
Abstract: In this study, we propose a photoresist-free, laser-assisted wet chemical etching process used to control the grating depth of a long-period fiber grating (LPFG) termed laser-assisted
Guide Arc-Induced Long-Period Fiber Gratings at INESC TEC. Part I
Abstract In this work, we reviewed the most important achievements of INESC TEC related to the fabrication of long-period fiber gratings using the electric arc technique. We focused on the
Guide Structure-Modulated Long-Period Fiber Gratings: A
This review provides a comprehensive analysis of the primary fabrication techniques enabling this approach, including CO2 laser inscription,
Guide A facile process for fabricating long-period fiber grating sensors
Abstract This study proposes a facile method for fabricating long-period fiber gratings. Optical designs were created so that laser light could be written into the grating structure on the fiber cladding without
Guide Long Period Fibre Gratings
2. Fabrication methods of long-period fibre gratings The inscription of long-period gratings on optical fibre basically consists in the generation of a periodical perturbation of the refractive index in the
Guide National Center for Biotechnology Information
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