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Applied Optics

Applied Optics


  • Vol. 10, Iss. 11 — Nov. 1, 1971
  • pp: 2427–2435

Use of the Culgoora Radioheliograph for the Generation of Diffraction Patterns

K. V. Sheridan and D. J. McLean  »View Author Affiliations

Applied Optics, Vol. 10, Issue 11, pp. 2427-2435 (1971)

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A series of diffraction patterns produced with the electronic imaging system of the Culgoora radioheliograph is presented. These patterns serve both to illustrate the quality of this type of imaging system and to demonstrate the advantage, in special circumstances, of constructing a radio-frequency simulation of an optical imaging device.

© 1971 Optical Society of America

Original Manuscript: February 11, 1971
Published: November 1, 1971

K. V. Sheridan and D. J. McLean, "Use of the Culgoora Radioheliograph for the Generation of Diffraction Patterns," Appl. Opt. 10, 2427-2435 (1971)

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  4. For reasons of economy the branching network used here is restricted in the number of its outputs and ray paths (4608). It is technically feasible to build a branching network with a large number of outputs to make it more nearly comparable to a lens. A branching network need never suffer from coma, spherical aberration, etc.
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  14. On a photograph like Fig. 2, a J02 field and a J0 field would have a similar appearance, but the bright rings appear twice as numerous on the J02 pattern of the same linear scale.
  15. D. J. McLean, L. B. Lambert, M. Arm, H. Stark, Proc. Inst. Radio Electron. Eng. Aust. 28, 375 (1967).

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