Title :
Wideband frequency tunable liquid metal monopole antenna
Author :
Dey, Anamika ; Guldiken, Rasim ; Mumcu, Gokhan
Author_Institution :
Dept. of Electr. Eng., Univ. of South Florida, Tampa, FL, USA
Abstract :
A frequency tunable liquid metal monopole antenna is introduced. The antenna is formed inside a microfluidic channel embedded within Polydimethylsiloxane (PDMS) substrate. The bottom side of the channel is sealed with 25μm thick liquid crystal polymer (LCP) layer in order to interface the antenna with a conventional microstrip feed line using the capacitive coupling mechanism. The physical length of the antenna is dynamically changed by using pumps to accomplish tunability over a wide frequency range. The concept is demonstrated through the design and experimentation of a 2.9:1 tunable monopole antenna that can operate between 1.7GHz and 4.9GHz.
Keywords :
UHF antennas; antenna feeds; broadband antennas; liquid crystal polymers; microstrip antennas; microwave antennas; monopole antennas; LCP layer; PDMS substrate; capacitive coupling mechanism; frequency 1.7 GHz to 4.9 GHz; liquid crystal polymer; microfluidic channel; microstrip feed line; polydimethylsiloxane; wideband frequency tunable liquid metal monopole antenna; Antenna feeds; Antenna measurements; Liquids; Metals; Resonant frequency;
Conference_Titel :
Antennas and Propagation Society International Symposium (APSURSI), 2013 IEEE
Conference_Location :
Orlando, FL
Print_ISBN :
978-1-4673-5315-1
DOI :
10.1109/APS.2013.6710857
