A Low Bandwidth DFB Laser-Based Interrogator for Terahertz-Range Fiber Bragg Grating Sensors
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2016.2647438
Abstract: This letter reports an all-electronic, low bandwidth swept frequency laser used to interrogate terahertz-range fiber Bragg gratings (THz FBGs) for distributed strain sensing applications. A distributed feedback laser with current injection modulation was employed as… read more here.
Keywords: fiber bragg; laser; low bandwidth; fiber ... See more keywords
Digitally controlled chirped pulse laser for sub-terahertz-range fiber structure interrogation.
Sign Up to like & getrecommendations! Published in 2017 at "Optics letters"
DOI: 10.1364/ol.42.001007
Abstract: This Letter reports a sweep velocity-locked laser pulse generator controlled using a digital phase-locked loop (DPLL) circuit. This design is used for the interrogation of sub-terahertz-range fiber structures for sensing applications that require real-time data… read more here.
Keywords: fiber structure; sub terahertz; sub; range fiber ... See more keywords