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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 46, Iss. 15 — May. 20, 2007
  • pp: 2881–2892

Development of a multi-Fourier-transform interferometer: imaging experiments in millimeter and submillimeter wave bands

Izumi S. Ohta, Makoto Hattori, and Hiroshi Matsuo  »View Author Affiliations

Applied Optics, Vol. 46, Issue 15, pp. 2881-2892 (2007)

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We have developed a millimeter and submillimeter Michelson-type bolometric interferometer based on a Martin–Puplett-type Fourier-transform spectrometer named multi-Fourier-transform interferometer (MuFT). We have succeeded in proving that the MuFT is capable of performing broadband imaging observations as theoretically proposed by our previous paper (OHM) [Appl. Opt. 45, 2576 (2006)]. We succeeded in acquiring the mutual coherence signal for an extended source in broadband. By analyzing the obtained mutual coherence signal following the formula proposed in OHM, 2D source images for each wavenumber from 5 cm 1 ( 150 GHz ) to 35 cm 1 ( 1.05 THz ) with a wavenumber interval of 0.4 cm 1 ( 12 GHz ) were successfully extracted. The large dynamic range advantage of the MuFT proposed in OHM was confirmed experimentally.

© 2007 Optical Society of America

OCIS Codes
(070.2590) Fourier optics and signal processing : ABCD transforms
(110.6770) Imaging systems : Telescopes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5410) Instrumentation, measurement, and metrology : Polarimetry
(260.3090) Physical optics : Infrared, far

ToC Category:

Original Manuscript: April 11, 2006
Revised Manuscript: October 11, 2006
Manuscript Accepted: January 12, 2007
Published: May 1, 2007

Izumi S. Ohta, Makoto Hattori, and Hiroshi Matsuo, "Development of a multi-Fourier-transform interferometer: imaging experiments in millimeter and submillimeter wave bands," Appl. Opt. 46, 2881-2892 (2007)

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