[15a-P7-1~10] 3.14 光制御デバイス・光ファイバー

▲ [15a-P7-10] Fiber Acoustic Sensor Based on Cascaded Taper Mach-Zehnder Interferometer

〇(D)Sumit Dass¹、Rajan Jha¹ (1.IIT Bhubaneswar)

キーワード：taper fiber, Mach Zehnder interferometer

An acoustic sensor consisting a cascaded single mode fiber (SMF) taper based inline Mach-Zehnder interferometer (MZI) is proposed.It exhibits an average sensitivity of 54 nm/kPa over frequency range of 180-500 Hz.