This review provides a comprehensive analysis of the primary fabrication techniques enabling this approach, including CO 2 laser inscription, femtosecond laser micromachining, electric-arc discharge, ...
Cost price Two phenomena for enhancing the sensitivity of long-period fiber gratings are combined toward an increase of the
Cost price In this work, we reviewed the most important achievements of INESC TEC related to the fabrication of long-period fiber
Cost price A novel implementation of an optical chemsensor device is reported based on long-period fiber grating structures ultraviolet-inscribed
Cost price In the last 15 years, alternative writing methods of long-period fibre gratings have been proven after the demonstration of UV
Cost price In this process, the laser etching causes tiny long-period notches to be etched on the fiber surface, distinguishing the etching rate of
Cost price This study presents a new process using inductively a coupled plasma dry etching method to manufacture a long
Cost price Abstract A CO 2 laser-induced long-period fiber grating (LPFG) in the dispersion turning point (DTP) has been
Cost price The long-period fiber gratings can reduce human involvement in the process and help for improvement in performance
Cost price Long-period fiber grating sensors with high refractive index sensitivity were designed and validated using femtosecond
Cost price Abstract An improved point-by-point inscription method is proposed to fabricate long period fiber gratings (LPFGs) by
Cost price This study presents a new process using inductively a coupled plasma dry etching method
Cost price Optical fiber gratings can be divided into Fiber Bragg grating (FBG) and long period grating (LPFG) according to the
Cost price Advantages of long-period grating (LPG) based optical fibers for sensing applications along with different fabrication techniques to
Cost price We propose to inscribe a compact and reproducible long-period fiber grating (LPFG) in a standard single-mode fiber by
Cost price Abstract and Figures Long-period fiber gratings (LPFGs) functioning as band-reject filters have played a pivotal role in
Cost price Structure-Modulated Long-Period Fiber Gratings (SM-LPFGs) represent an advancement in fiber optic sensor
Cost price In this paper, a new core modulation method is proposed for the first time. A novel long period fiber grating with arched
Cost price This paper presents a review of the evolution of LPFGs, with a specific focus on the progression and current trends of
Cost price As an important passive optical component, long-period fiber gratings (LPFGs) have all the advantages of optical fiber sensors, such
Cost price In this study, we propose a photoresist-free, laser-assisted wet chemical etching process
Cost price Decades have passed since the first demonstration of a long-period fiber grating (LPFG) and its practical application for
Cost price A novel long period fiber grating with arched fiber core is fabricated and the sensing characteristics are investigated. •
Cost price The coupling resonant wavelength can easily be controlled by simply tuning the grating period with its period being
Cost price Abstract This study proposes a facile method for fabricating long-period fiber gratings. Optical designs were created so that laser light
Cost price In this paper, comprehensive remarks are given that focus on the main fabrications and wide applications of helical
Cost price In this work, a thorough review about the design, fabrication and characterization of fiber optic chemical sensors based
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