FPGA and APD Based Optical Time Domane Reflectometry in Sensor Applications

  • This paper shows an optical time domain reflectometry (OTDR) system based on an avalanche photodiode (APD) receiver, a 520 nm laser diode transmitter, a high-speed analog-to-digital converter (ADC) and a commercially available field programmable gate array (FPGA). This approach allows OTDR measurements up to 200 m and provides a spatial resolution of 20 cm. Depending on the number of averaging, the measurement time can be between 5 s and 50 s for a range up to 200 m with a good signal to noise ratio.

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Metadaten
Author:Juri VinogradovORCiD, Fabian Morf, Simon Andreas DenglerORCiD, Rainer EngelbrechtORCiD, Olaf Ziemann
Parent Title (English):The 28th International Conference on Plastic Optical Fibers 2019-11-20
Document Type:conference proceeding (article)
Language:English
Date of first Publication:2022/09/26
Release Date:2025/02/03
institutes:Polymer Optical Fiber Application Center
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