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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 8, Iss. 2 — Feb. 1, 2010
  • pp: 162–166

Study of terahertz interferometric imaging using optical techniques

Yuntao He, Yuesong Jiang, Yuedong Zhang, and Guoli Fan  »View Author Affiliations

Chinese Optics Letters, Vol. 8, Issue 2, pp. 162-166 (2010)

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Principles of terahertz (THz) interferometric synthetic aperture imaging with heterodyne and optical techniques are presented. A THz interferometric experiment based on optical up-conversion is set up. The received THz signal is modulated into an optical carrier and transmitted in a fiber. To simulate phase differences between two THz receivers, the output of receiver is divided and a phase shifter is placed before electro-optical modulation (EOM). Interferometric spectra of these modulated optical signals are examined at different phase shifts. Otherwise, carrier suppression and phase error calibration are discussed for THz interferometric synthetic aperture imaging.

© 2010 Chinese Optics Letters

OCIS Codes
(280.6730) Remote sensing and sensors : Synthetic aperture radar
(040.2235) Detectors : Far infrared or terahertz
(110.3175) Imaging systems : Interferometric imaging

Yuntao He, Yuesong Jiang, Yuedong Zhang, and Guoli Fan, "Study of terahertz interferometric imaging using optical techniques," Chin. Opt. Lett. 8, 162-166 (2010)

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