In this work, we conducted experimental and theoretical investigations on gamma radiation sensitivity of Long Period
Long period fiber gratings produced by the electric arc technique have found an increasing interest by the scientific
In this work, we reviewed the most important achievements of INESC TEC related to the fabrication of long-period fiber
It is an optical fiber structure with the properties periodically varying along the fiber, such that the conditions for the interaction of
We report here for the first time the fabrication and characterisation of long period fiber gratings with periods of
Decades have passed since the first demonstration of a long-period fiber grating (LPFG) and its practical application for
Optical fiber biosensors (OFBS) are being increasingly proposed due to their intrinsic advantages over conventional
The manufacturing and spectral features of different types of long period fiber gratings (LPFGs), ranging from phase
Optical fiber gratings already play a vital role in the field of optical communications and sensors. There are two types
These gratings devices operate in transmission mode and are manufactured with periods typically in the range from
ABSTRACT We present a review of the development of long-period fiber grating devices for application in optical communication.
The inscription of long-period gratings on optical fibre basically consists in the generation of a periodical perturbation of the refractive
In this work, for the first time, we demonstrate long period gratings (LPG) in nanostructured optical fibers and their
Abstract: We present a new class of long-period fiber gratings that can be used as in-fiber, low-loss, band-rejection filters.
As an important passive optical component, long-period fiber gratings (LPFGs) have all the advantages of optical fiber sensors, such
According to the magnitude of the grating period, fiber gratings are mainly classified into two types: long period gratings
Long-period fiber gratings (LPFGs) functioning as band-reject filters have played a pivotal role in the realm of optical
This paper presents a review of the evolution of LPFGs, with a specific focus on the progression and current trends of
2. Fabrication methods of long-period fibre gratings The inscription of long-period gratings on optical fibre basically consists in the
A long-period fiber grating (LPG) is a one dimension (1D) periodic structure, and is formed by introducing periodic modulation of the
Abstract: We demonstrated the fabrication of long-period fiber gratings (LPFGs) inscribed in the D-shaped double-cladding fiber
Abstract This work presents a thorough comparative investigation of mechanically induced long period gratings
This review synthesizes and categorizes a class of novel long-period fiber gratings (LPFGs) engineered through the
In general, grating is a periodic change in the refractive index profile along the fibre. Depending on their periods gratings are divided
We report here, for the first time to our knowledge, the fabrication and characterisation of LPFGs with periods up to
1. Introduction Traditionally, long period fiber gratings (LPG) are made in passive optical fibers that have negligible loss. However,
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