Multiple Sensor-head Phase-sensitive Optical Time-domain Laser Vibrometer

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Publication Date: 5/4/2025

Event: 2025 CLEO Conference

Reference: 4229770: 1-2, 2025

Authors: Wataru Kohno, NEC Laboratories America, Inc.; Jian Fang, NEC Laboratories America, Inc.; Shuji Murakami, NEC Laboratories America, Inc.; Ting Wang, NEC Laboratories America, Inc.

Abstract: We propose a hybrid remote and distributed vibration sensing system based on phase-sensitive optical time-domain reflectometry with collimator-based sensor heads. We demonstrate dual-laser vibrometers that detects nm-scale displacements of remote targets.

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