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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 5, Iss. 8 — Aug. 1, 1988
  • pp: 1233–1236

Strehl ratio with low sensitivity to spherical aberration

J. Ojeda-Castañeda, P. Andrés, and A. Díaz  »View Author Affiliations

JOSA A, Vol. 5, Issue 8, pp. 1233-1236 (1988)

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The influence that Seidel spherical aberration has on the irradiance distribution along the optical axis, or the Strehl ratio versus defocus, is expressed in terms of a differential operator. This permits us to describe separately the following two effects: a focal shift and a shape variation. We analyze two annular apodizers that reduce the shape variation of the Strehl ratio versus defocus.

© 1988 Optical Society of America

Original Manuscript: March 13, 1986
Manuscript Accepted: March 23, 1988
Published: August 1, 1988

J. Ojeda-Castañeda, P. Andrés, and A. Díaz, "Strehl ratio with low sensitivity to spherical aberration," J. Opt. Soc. Am. A 5, 1233-1236 (1988)

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  15. This formula predicts a maximum at W20= −W40only if q˜(ζ)is an even function with a maximum value at ζ= 0.

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