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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN 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)
http://dx.doi.org/10.1364/AO.46.002881


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Abstract

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:
Interferometry

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

Citation
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)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-15-2881


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References

  1. A. R. Thompson, J. M. Moran, and G. W. Swenson, Jr., Interferometry and Synthesis in Radio Astronomy, 2nd ed. (Wiley-Interscience, 2001).
  2. I. S. Ohta, M. Hattori, and H. Matsuo, "Development of multi-Fourier transform interferometer: fundamental," Appl. Opt. 45, 2576-2585 (2006). [CrossRef]
  3. J. E. Conway, T. J. Cornwell, and P. N. Wilkinson, "Multi-frequency synthesis: a new technique in radio interferometric imaging," Mon. Not. R. Astron. Soc. 246, 490-509 (1990).
  4. R. A. Sunyaev and B. Ya. Zel'dovich, "The observations of relic radiation as a test of the nature of x-ray radiation from the clusters of galaxies," Comments Astrophys. Space Phys. 4, 173-178 (1972).
  5. M. Hattori and N. Okabe, "A direct method for measuring heat conductivity in intracluster medium," Astrophys. J. 625, 741-747 (2005). [CrossRef]
  6. D. H. Martin and E. Puplett, "Polarized interferometric spectrometry for the millimetre and submillimetre spectrum," Infrared Phys. 10, 105-109 (1969). [CrossRef]
  7. M. Born and E. Wolf, Principles of Optics, 5th ed. (Pergamon, 1975), Chap. 10.

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