| Issue |
EPJ Web Conf.
Volume 266, 2022
EOS Annual Meeting (EOSAM 2022)
|
|
|---|---|---|
| Article Number | 11015 | |
| Number of page(s) | 2 | |
| Section | Topical Meeting (TOM) 11- Tapered Optical Fibers, from Fundamental to Applications | |
| DOI | https://doi.org/10.1051/epjconf/202226611015 | |
| Published online | 13 October 2022 | |
https://doi.org/10.1051/epjconf/202226611015
Bragg gratings and BIO-Bragg-gratings in tapered optical fibers
Laboratory of Fiber Optics, Departamento de Física Aplicada y Electromagnetismo – ICMUV, C/ Dr. Moliner, 50, 46100, Burjassot, Spain
* Corresponding author: martina.delgado@uv.es
Published online: 13 October 2022
Tapered optical fibres are well-established devices for different applications, in order to exploit nonlinear effects, manage dispersion, excite azimuthal resonances in microresonators (so-called Whispering Gallery Modes). Also, the micro- or nanofibres guide optical-fields with large evanescent fields. In this talk, we will focus on the combination of tapers and Bragg gratings to perform novel optical devices. We will present two applications: the first, the fabrication of single-mode Bragg gratings in commercial multimode or few-mode tapered fibres by means of UV-photoinscription. The result is a grating that exhibits a single-mode reflection band and low insertion loss. The second application is the fabrication of Bio Bragg Gratings in micrometric tapers of single-mode fibres. In this case, the Bragg Grating is formed by a periodic pattern of biomolecules microstamped on the surface of the taper waist. As the molecules binds to its specific antibody, the reflectivity of this Bio Bragg Grating will increase, allowing quantification of the antibody concentration.
© The Authors, published by EDP Sciences
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