Fabrication and characterization of a three-dimensional feed-horn infrared antenna for an infrared detector

Kuntae Kim, Yong Hee Han, Sung Moon, Jung ho Park, Hyun Joon Shin

Research output: Contribution to journalArticle

Abstract

A three-dimensional feed-horn antenna for the 10-μm-wavelength. infrared region has been suggested, characterized, and fabricated. It is applied to an infrared detector for efficient collection of infrared radiation and to reduce background noise. The optimum size of the horn antenna was designed for maximum antenna directivity. The three-dimensional feed-horn antenna mold was fabricated by rotating and tilting illumination, whereas the antenna plate was acquired through electroplating. Antenna characteristics were measured by coupling of the antenna with a microbolometer. Measurement results show that the directivity of the antenna is 16.1 db and the background noise is reduced by a factor of ∼ 2 compared with an open-structure infrared detector.

Original languageEnglish
Pages (from-to)5594-5599
Number of pages6
JournalApplied Optics
Volume43
Issue number30
DOIs
Publication statusPublished - 2004 Oct 20

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infrared detectors
horn antennas
antennas
fabrication
background noise
directivity
electroplating
infrared radiation
illumination
wavelengths

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Fabrication and characterization of a three-dimensional feed-horn infrared antenna for an infrared detector. / Kim, Kuntae; Han, Yong Hee; Moon, Sung; Park, Jung ho; Shin, Hyun Joon.

In: Applied Optics, Vol. 43, No. 30, 20.10.2004, p. 5594-5599.

Research output: Contribution to journalArticle

Kim, Kuntae ; Han, Yong Hee ; Moon, Sung ; Park, Jung ho ; Shin, Hyun Joon. / Fabrication and characterization of a three-dimensional feed-horn infrared antenna for an infrared detector. In: Applied Optics. 2004 ; Vol. 43, No. 30. pp. 5594-5599.
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