Flow profile measurement in micro-channels using changes in laser junction voltage due to Self-mixing effect

Nikolić, M., Lim, Y. L., Wilson, S. J., Rakić, A. D., Campagnolo, L., Perchoux, J. and Bosch, T. (2011). Flow profile measurement in micro-channels using changes in laser junction voltage due to Self-mixing effect. In: 2011 IEEE Sensors. 10th IEEE Conference on Sensors, Limerick, Ireland, (1394-1397). 28-31 October 2011. doi:10.1109/ICSENS.2011.6127217


Author Nikolić, M.
Lim, Y. L.
Wilson, S. J.
Rakić, A. D.
Campagnolo, L.
Perchoux, J.
Bosch, T.
Title of paper Flow profile measurement in micro-channels using changes in laser junction voltage due to Self-mixing effect
Conference name 10th IEEE Conference on Sensors
Conference location Limerick, Ireland
Conference dates 28-31 October 2011
Proceedings title 2011 IEEE Sensors   Check publisher's open access policy
Journal name IEEE Sensors. Proceedings   Check publisher's open access policy
Place of Publication Piscataway, NJ, United States
Publisher IEEE
Publication Year 2011
Sub-type Fully published paper
DOI 10.1109/ICSENS.2011.6127217
ISBN 9781424492893
ISSN 1930-0395
Start page 1394
End page 1397
Total pages 4
Language eng
Abstract/Summary A new low-cost flow sensor to reconstruct flow profiles in microscopic channels is presented. The system is based on a low-cost commercially available Vertical-Cavity Surface-Emitting Laser (VCSEL) utilizing Self-mixing interferometry to accurately measure fluid flow inside a micrometer-scale sensing volume. The successful reconstruction of the flow profile inside a flow channel of 320 μm internal diameter is demonstrated. This system lends itself well to many applications in the biomedical field, and paves the way forward for innovative optofluidic devices.
Keyword Monolithic vcsel array
Parallel readout
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status UQ

 
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