Microbead-assisted high resolution microwave planar ring resonator for organic-vapor sensing

• Published in: Applied physics letters Vol. 106; no. 6
• Main Authors: Zarifi, Mohammad H., Fayaz, Mohammadreza, Goldthorp, Jordan, Abdolrazzaghi, Mohammad, Hashisho, Zaher, Daneshmand, Mojgan
• Format: Journal Article
• Language: English
• Published: Melville American Institute of Physics 09.02.2015
• Subjects: Activated carbon; Adsorbents; Applied physics; Beads; Butyl glycol ether; Detection; Feedback loops; Frequency shift; Gas sensors; High resolution; Nanoparticles; Parameters; Polymers; Q factors; Remote sensing; Resonators
• ISSN: 0003-6951; 1077-3118
• DOI: 10.1063/1.4907944

A microbead-assisted planar microwave resonator for organic vapor sensing applications is presented. The core of this sensor is a planar microstrip split-ring resonator, integrated with an active feedback loop to enhance the initial quality factor from 200 to ∼1 M at an operational resonance frequen...