Polyvinyl-alcohol (PVA)-based RF humidity Sensor in microwave frequency

Emran Md Amin, Nemai Karmakar, Bjorn Winther Jensen

研究成果: Article

35 引用 （Scopus）

抜粋

A highly sensitive, passive relative humidity (RH) sensor using polyvinyl-alcohol (PVA) dielectric film is presented. For the first time, PVA is investigated in microwave RF sensing devices for low cost, high resolution and accurate chipless RH sensor realization. Comparative study with traditional humidity sensing Kapton polymer is presented to validate superior performance of PVA film. Results are presented for two different passive high Q resonators to validate sensing performance in wide applications. Moreover, a new sensing parameter is described to investigate sensitivity measurement through resonance frequency and Q factor variation. The RH sensor has the potential to be integrated with mm and μm-wave high frequency passive RFID for ubiquitous sensing.

元の言語English
ページ（範囲）149-166
ページ数18
ジャーナルProgress In Electromagnetics Research B
発行部数54
出版物ステータスPublished - 2013
外部発表Yes

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

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    Md Amin, E., Karmakar, N., & Winther Jensen, B. (2013). Polyvinyl-alcohol (PVA)-based RF humidity Sensor in microwave frequency. Progress In Electromagnetics Research B, (54), 149-166.