Long-period fiber grating etching technology

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, ...

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Oct 22, 2025

Optimized Strain Long-Period Fiber Grating (LPFG) Sensors

Two phenomena for enhancing the sensitivity of long-period fiber gratings are combined toward an increase of the

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Nov 20, 2025

Arc-Induced Long-Period Fiber Gratings at INESC TEC. Part I

In this work, we reviewed the most important achievements of INESC TEC related to the fabrication of long-period fiber

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Sep 02, 2025

Optical chemsensors utilizing long-period fiber gratings UV-inscribed

A novel implementation of an optical chemsensor device is reported based on long-period fiber grating structures ultraviolet-inscribed

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Aug 10, 2025

Long Period Fibre Gratings

In the last 15 years, alternative writing methods of long-period fibre gratings have been proven after the demonstration of UV

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Sep 15, 2025

Photoresist-free, laser-assisted chemical etching process for long

In this process, the laser etching causes tiny long-period notches to be etched on the fiber surface, distinguishing the etching rate of

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Oct 13, 2025

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

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Mar 16, 2026

CO2 laser-induced long-period fiber grating in the dispersion turning

Abstract A CO 2 laser-induced long-period fiber grating (LPFG) in the dispersion turning point (DTP) has been

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Jun 25, 2026

Recent Advancement in Long-Period Fiber Grating (LPFG)

The long-period fiber gratings can reduce human involvement in the process and help for improvement in performance

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Dec 11, 2025

Femtosecond laser direct writing of long period fiber grating sensor

Long-period fiber grating sensors with high refractive index sensitivity were designed and validated using femtosecond

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Mar 17, 2026

Femtosecond laser fabrication of long period fiber gratings and

Abstract An improved point-by-point inscription method is proposed to fabricate long period fiber gratings (LPFGs) by

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Aug 28, 2025

Photoresist-free, laser-assisted chemical etching

This study presents a new process using inductively a coupled plasma dry etching method

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Jun 15, 2026

Biological sensors based on long period fiber grating

Optical fiber gratings can be divided into Fiber Bragg grating (FBG) and long period grating (LPFG) according to the

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May 10, 2026

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

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Feb 08, 2026

Efficient Fabrication of Compact Long-Period Gratings Using CO₂

We propose to inscribe a compact and reproducible long-period fiber grating (LPFG) in a standard single-mode fiber by

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Oct 08, 2025

Mechanically Induced Long-Period Fiber Gratings and Applications

Abstract and Figures Long-period fiber gratings (LPFGs) functioning as band-reject filters have played a pivotal role in

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May 03, 2026

Structure-Modulated Long-Period Fiber Gratings: A Review

Structure-Modulated Long-Period Fiber Gratings (SM-LPFGs) represent an advancement in fiber optic sensor

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Jan 01, 2026

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

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Feb 25, 2026

Mechanically Induced Long-Period Fiber Gratings and Applications

This paper presents a review of the evolution of LPFGs, with a specific focus on the progression and current trends of

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Feb 17, 2026

Long-Period Fiber Gratings

As an important passive optical component, long-period fiber gratings (LPFGs) have all the advantages of optical fiber sensors, such

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Nov 13, 2025

Photoresist-free, laser-assisted chemical etching

In this study, we propose a photoresist-free, laser-assisted wet chemical etching process

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Jun 24, 2026

Long period fiber grating-based biosensing: Recent trends and future

Decades have passed since the first demonstration of a long-period fiber grating (LPFG) and its practical application for

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Jan 23, 2026

Fabrication and application of a novel long period fiber grating with

A novel long period fiber grating with arched fiber core is fabricated and the sensing characteristics are investigated. •

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Dec 24, 2025

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

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Nov 13, 2025

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

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Sep 13, 2025

Review of Helical Long-Period Fiber Gratings

In this paper, comprehensive remarks are given that focus on the main fabrications and wide applications of helical

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Oct 29, 2025

(INVITED)Chemical sensors based on long period fiber gratings: A review

In this work, a thorough review about the design, fabrication and characterization of fiber optic chemical sensors based

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