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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 30, Iss. 14 — May. 10, 1991
  • pp: 1804–1810

Coherent array optical imaging

S. E. Clark, L. R. Jones, and L. F. DeSandre  »View Author Affiliations


Applied Optics, Vol. 30, Issue 14, pp. 1804-1810 (1991)
http://dx.doi.org/10.1364/AO.30.001804


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Abstract

This paper describes a technique that allows a severely distorted coherent optical array receiver to produce images comparable to conventional monolithic imaging systems. The technique is based on using a phase synchronizing point source as a reference to eliminate phase errors in the array. Once phase corrected, the individual elements in the array can be coherently combined to yield a resolution equal to the overall size of the array, and if Doppler information is available, separation of targets within the diffraction limited spot size of the array is possible. Experimental verification of concepts developed within this paper is presented for array receivers operating at 633 and 514 nm.

© 1991 Optical Society of America

History
Original Manuscript: March 16, 1990
Published: May 10, 1991

Citation
S. E. Clark, L. R. Jones, and L. F. DeSandre, "Coherent array optical imaging," Appl. Opt. 30, 1804-1810 (1991)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-30-14-1804


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References

  1. A. R. Thompson, J. M. Moran, G. W. Swenson, Interferometry and Synthesis in Radio Astronomy (Wiley-Interscience, New York, 1986).
  2. B. D. Steinberg, “Microwave Imaging of Aircraft,” Proc. IEEE 76, 1578–1592 (1989) and references therein. [CrossRef]
  3. E. K. Hege, J. M. Beckers, P. A. Strittmatter, D. W. McCarthy, “Multiple Mirror Telescope as a Phased Array Telescope,” Appl. Opt. 24, 2565–2576 (1985). [CrossRef] [PubMed]
  4. P. D. Henshaw, D. E. B. Lees, “Electronically Agile Multiple Aperture Image Receiver,” Proc. Soc. Photo-Opt. Instrum. Eng. 828, 134–139 (1987).
  5. R. G. Morton et al., “Coherent Sub-Aperture Ultraviolet Imagery,” Proc. Soc. Photo-Opt. Instrum Eng. 1103, 207–218 (1989).
  6. For a discussion of the effects of phase errors, see M. Born, E. Wolf, Principles of Optics (Pergamon, New York, 1980), Chap. 9.

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