Foreword to the Special Issue on Optical Fiber Sensors

Recognizing the Brazilian achievements the Journal of Microwaves, Optoelectronics and Electromagnetic Applications (JMOe) decided to publish a Special Issue covering R&D in optical fiber sensors and related technologies. The submitted articles were analyzed by national and international referees and the accepted papers are presented in the following pages, presenting recent results both on optical sensing as well as promising technologies to enhance fiber and photonic sensors.