Introduction: The monitoring of soil displacement during highway slope instability currently faces challenges such as poor stability, low accuracy, and high costs. In this study, a ...

The proposed optical fiber displacement sensor based on single PDH feedback loop is simple yet robust, facilitating the practical applications in the fields of structural engineering, aerospace, ...

Abstract: This paper presents an angular displacement sensor utilizing a double ring resonator (DRR) and introduces an integrable and low-cost readout circuit to detect the transmission zero position ...