KIEE International Transactions on Electrophysics and Applications

The Korean Institute of Electrical Engineers (대한전기학회)
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Fabrication of 3D Feed Horn IR Antenna for IR Detector

  • Kim, Kun-Tae (Microsystem Research Center, Korea Institute of Science and Technology) ;
  • Han, Yong-Hee (Microsystem Research Center, Korea Institute of Science and Technolog) ;
  • Shin, Hyun-Joon (Microsystem Research Center, Korea Institute of Science and Technolog) ;
  • Sung Moon (Microsystem Research Center, Korea Institute of Science and Technolog) ;
  • Park, Jung-Ho (Dept. of Electronics Engineering, Korea University)
  • Published : 2004.08.01
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Abstract

A three dimensional feed horn 10${\mu}{\textrm}{m}$ wavelength infrared antenna has been suggested, fabricated and characterized. It was applied to an infrared detector for efficient collecting of IR radiation and for reducing background noise. The horn antenna size was designed for maximum antenna directivity. The 3D feed horn antenna mold was fabricated using rotating and tilted illumination while the antenna plate was constructed by way of electroplating. Antenna characteristics were measured by coupling with a microbolometer. Measurement results indicated that the directivity of the antenna is 16.1㏈ and the background noise is reduced by approximately two times.

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References

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