Addressed fiber Bragg structures in quasi-distributed microwave-photonic sensor systems

O.G. Morozov,A.J. Sakhabutdinov

doi:10.18287/2412-6179-2019-43-4-535-543

Abstract

The article describes the theory and technique of addressed fiber Bragg structures and a new class of microwave-photonic sensory systems based thereon, the distinctive feature of which is that the fiber Bragg structure forms two ultra-narrowband frequency components separated by a unique address frequency spacing. The offset of the central frequencies of the Bragg structures is determined via processing a beat signal of the address frequencies on the photodetector, with its parameters making it possible to evaluate the physical fields applied. We formulate and solve a problem of unambiguously determining the central (Bragg) frequency shift of the addressed fiber Bragg structures with unique address frequencies and the same Bragg frequency. These are then combined into a single multi-sensor system with multiplexed response reception on a single photodetector.

Highlights

The article describes the theory and technique of addressed fiber Bragg structures and a new class of microwave-photonic sensory systems based thereon, the distinctive feature of which is that the fiber Bragg structure forms two ultra-narrowband frequency components separated by a unique address frequency spacing
These are combined into a single multi-sensor system with multiplexed response reception on a single photodetector

Summary

Introduction

Морозов Олег Геннадьевич, д.т.н., профессор, 1960 года рождения, в 1983 году окончил Казанский авиационный институт им А.Н. Туполева по специальности «Радиотехника», квалификация – «Радиоинженер», работает заведующим кафедрой радиофотоники и микроволновых технологий в ФГБОУ ВО «Казанский национальный исследовательский технический университет им. Область научных интересов: микроволновая фотоника; волоконно-оптические сенсоры и системы инеррогации, информационно-измерительные и телекоммуникационные системы оптического и микроволнового диапазонов.

Results

Conclusion