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ThinkMind // ALLSENSORS 2019, The Fourth International Conference on Advances in Sensors, Actuators, Metering and Sensing // View article allsensors_2019_3_20_70071


Research for Improvement of Resolution of Distance Sensor Using Fluctuation of Laser Terminal Voltage due to Self Coupling Effect

Authors:
Tatsuya Ohba
Norio Tsuda
Jun Yamada

Keywords: Self coupling effect,distance sensor, terminal voltage, Vertical Cavity Surface Emitting LASER

Abstract:
When acquire signal due to the self-coupling effect from the terminal voltage of the laser, the signal-to-noise ratio gets worse. Because it is difficult to detect the signal, so it was impossible to measure the distance with a resolution of 1 cm or less. In this study, we proposed a new noise reduction method, that could carry out measurement for a resolution of 1 cm or less, which has not been done before. From the experimental results, we reported the factors that cause the errors in the distance sensor employing a self-coupling effect.

Pages: 33 to 34

Copyright: Copyright (c) IARIA, 2019

Publication date: February 24, 2019

Published in: conference

ISSN: 2519-836X

ISBN: 978-1-61208-691-0

Location: Athens, Greece

Dates: from February 24, 2019 to February 28, 2019

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