Fiber Bragg Grating Sensors: Recent Advancements, Industrial Applications and Market Exploitation

Indexed in: Scopus, EBSCO.

The book is an exciting source of information for individuals interested in learning about and marketing sensors. The book focuses on scientific and commercial advances in Fiber Bragg Grating (FBG) ...
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Fiber Bragg Gratings: Advances in Fabrication Process and Tools

Pp. 9-34 (26)

Kate Sugden and Vladimir Mezentsev


Successful commercialization of a technology such as Fiber Bragg Gratings requires the ability to manufacture devices repeatably, quickly and at low cost. Although the first report of photorefractive gratings was in 1978 it was not until 1993, when phase mask fabrication was demonstrated, that this became feasible. More recently, draw tower fabrication on a production level and grating writing through the polymer jacket have been realized; both important developments since they preserve the intrinsic strength of the fiber. Potentially the most significant recent development has been femtosecond laser inscription of gratings. Although not yet a commercial technology, it provides the means of writing multiple gratings in the optical core providing directional sensing capability in a single fiber. Femtosecond processing can also be used to machine the fiber to produce micronscale slots and holes enhancing the interaction between the light in the core and the surrounding medium.


Photonics Research Group, Aston University, Aston Triangle, Birmingham B4 7ET, United Kingdom