Pérez González, AsierBravo Acha, MikelLeandro González, DanielPérez Herrera, Rosa AnaLópez-Amo Sáinz, Manuel2022-10-262022-10-262020Perez-Gonzalez, A., Bravo, M., Leandro, D., Perez-Herrera, R., & Lopez-Amo, M. (2021). WDM and TDM interrogation by sequentially pulsing direct modulated DFBs. Optical Fiber Sensors Conference 2020 Special Edition, T3.62.978-1-55752-307-510.1364/OFS.2020.T3.62https://academica-e.unavarra.es/handle/2454/44253A new versatile and cost-effective interrogation system by pulsing direct modulated (DM) DFB laser diodes is proposed. 1 pm wavelength resolution and 600 m sensor spacing is demonstrated by sequentially pulsing a DM DFB.application/pdfeng© 2020 The authors. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.Distributed feedbackDistributed feedback lasersFiber Bragg grating sensorsFiber optic couplersFiber optic sensorsTemperature sensorsinfo:eu-repo/semantics/conferenceObject2022-10-26info:eu-repo/semantics/openAccess