横浜国立大学, 日東電工(株)との共同研究の成果が Japanese Journal of Applied Physics に掲載
azuma特異なコアドーパントを持つパーフルオロ化された高分子光ファイバにおけるひずみと温度に対するブリルアン周波数シフトの依存性に関する論文が Japanese Journal of Applied Physics に掲載されました。横浜国立大学, 日東電工(株)との共同研究の成果です。
Shimbu Shirai, Seiga Ochi, Yuji Wada, Kentaro Nakamura, Toru Moriya, Yugo Kaseda, Takashi Shimizu, Yosuke Mizuno, “Brillouin frequency shift dependences on strain and temperature in perfluorinated polymer optical fibers with unique core dopants” Japanese Journal of Applied Physics, vol.64, no.3, 038003 (2025).
Optical fiber sensors based on Brillouin scattering have attracted extensive attention due to their ability to perform distributed strain and temperature measurements. In this study, we explore the Brillouin frequency shift (BFS) characteristics in perfluorinated graded-index polymer optical fibers (POFs) doped with unique materials, focusing on the BFS dependencies on strain and temperature. Our results reveal a strain sensitivity coefficient of –195 MHz/%, which is approximately 1.6 times higher in absolute value than previously reported for other POFs, while the temperature sensitivity (–3.1 MHz K−1) remains comparable to previous findings.
