“…In the last ten years, the team whose members are the three estimated authors: Professor Abdelaziz Choutri, Dr. Abdelwahab Boureghda and Dr. Hayat Rezgui have been able to enrich the existing literature with many very important scientific works (articles, conference papers, presentations, videos, ...) in the fields of optical fibers, waveguides, inverse problems, direct problems, ... etc. We cite, as examples, the manuscripts [1][2][3][4][5][6][7][8][9][10] in which many current issues have been addressed and resolved with graphic and numerical illustrations, the conference papers [11][12][13] and the video presentations. 14,15 It should be noted that the reference 7 has been read 5300 times on the site: https://www.researchgate.net/, which surpasses the readability of 99% of the articles published on the same site since the year 2022.…”