Integrated interferometers’ system for in situ real-time optical signal modulation

Abstract

Improving the functionality of an optical sensor on a prefabricated platform relies heavily on an optical signal conditioning method that actively modulates optical signals. In this work, we present a method for active modulation of an optical sensor response that uses fiber modal interferometers integrated in parallel. Over a broad frequency range of 1 Hz to 1 kHz, the interferometers’ technology allows for adjustable amplification, attenuation, and filtering of dynamic signals. The suggested method is also used to enhance the real-time response of an optical fluid flowmeter. In order to keep tabs on different physical fields, the suggested approach promotes the creation of self-conditioning sensing systems.