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Low-cost microfluidics-enabled tunable loop antenna using inkjet-printing technologies

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review


Original languageEnglish
Title of host publication2015 9th European Conference on Antennas and Propagation, EuCAP 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9788890701856
Publication statusPublished - 27 Aug 2015
Publication typeA4 Article in a conference publication
Event9th European Conference on Antennas and Propagation, EuCAP 2015 - Lisbon, Portugal
Duration: 13 May 201517 May 2015


Conference9th European Conference on Antennas and Propagation, EuCAP 2015


A low-cost and disposable loop antenna is proposed, which consists of a microfluidics-enabled tunable square loop and a microfluidics-enabled tunable balun to guarantee a similar radiation pattern over a reconfigurable 'liquid-controlled' frequency range. By inserting different fluids over partial sections of the loop and the balun, the proposed antenna can achieve a frequency range of 2.28 GHz for water filled channel to 2.45 GHz for empty channel. The proposed antenna is fabricated in a low-cost and non-cleanroom process by integrating inkjet-printing with laser-etching techniques. This antenna can be used as a fluid sensor for biomedical or chemical assay, as well as a tunable antenna for communication applications. The microfluidics-enabled tunable embedded balun can be applied independently as a wideband balun for various communication, sensing and biomonitoring applications.


  • additive manufacturing, inkjet printing, loop antenna, microfluidics, tunable antenna, tunable balun