直接変調に基づくブリルアン光相関領域反射計の空間分解能向上への指針を提示した横浜国大・東工大との共同研究の成果が Japanese Journal of Applied Physics に掲載されました。
S. Ochi, K. Ozaki, K. Noda, H. Lee, K. Nakamura, and Y. Mizuno, “Guideline for improving spatial resolution in direct-modulation Brillouin optical correlation-domain reflectometry,” Jpn. J. Appl. Phys., vol. 62, no. 8, 088001 (2023).
We investigate the spatial resolution of direct-modulation Brillouin optical correlation-domain reflectometry (BOCDR) by exploring the impact of modulation amplitude and frequency. Our findings reveal that optimal resolution improvement is attained through an initial increase in modulation amplitude, followed by modulation frequency adjustment. These insights provide a basic guideline for enhancing the spatial resolution in direct-modulation BOCDR.