Fig. 3: Acoustic signal sensing capability of the biomimetic optical fiber neuromast (BOFN).
From: From fish to fiber: 3D-nanoprinted optical neuromast for multi-integrated underwater detection
a Acoustic response of BOFN. I The acoustic time domain signal detected by IP-S BOFN. II Acoustic sensitivity from two structures. III Response angle from 0° to 180°. b Micro-nano mechanical response of three kinds of photoresist materials. c The frequency responses of BOFN made of three kinds of materials. d The acoustic sensitivity of BOFN made of three kinds of materials. e The acoustic time domain signal detected by IP-PDMS BOFN. f Comparison of the sensitivity and forward response angle between the proposed BOFN and other current acoustic sensors. g Comparison of the noise equivalent pressure (NEP) and size between the proposed BOFN and other current acoustic sensors.
