Abstract

Previous articles have been devoted to the study of optical noise as a function of spatial coherence. The present one completes this study by considering temporal coherence. Noise arising from defects in the pupil plane and affecting the high spatial frequencies of an image is notably reduced by white-light illumination. Temporal coherence has little effect on noise arising from defects in the object plane. However, impulse noise due to small isolated defects is reduced in size. Physical arguments are presented to explain these phenomena and a mathematical study of partially coherent imaging presence of random defects is given.

© 1980 Optical Society of America

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1980 (3)

1979 (5)

F. Dickey and D. Moore, "White light optical processor for edge enhancement and spectral filtering," Appl. Opt. 18, 1679–1684 (1979).

D. Psaltis, D. Casasent, and M. Carlotto, "Iterative color-multiplexed, electro-optical processor," Opt. Lett. 4, 348–350 (1979).

H. O. Bartelt, "Image correlation in white light by wavelength multiplexing," Opt. Commun. 29, 1679–1684 (1979).

D. Görlitz and F. Lanzl, "Colour encoded aperture masks used for incoherent filtering of images," Opt. Commun. 28, 283–286 (1979).

P. Wiersma, "A three colour channel system to synthesize complex point spread functions," Opt. Commun. 28, 280–281 (1979).

1978 (6)

1977 (2)

1973 (1)

C. Froehly, A. Lacourt, and J. C. Vienot, "Notions de réponse impulsionnelle et de fonction de transfert temporelles des pupilles optiques, justifications expérimentales et applications," Nouv. Rev. Opt. Appl. 4, 183–196 (1973).

Abramowitz, M. O.

M. O. Abramowitz and I. A. Stegun, Handbook of Mathematical Functions (Dover, New York, 1965), p. 231.

Barrett, H. H.

H. H. Barrett and W. Swindell, "Analog reconstruction methods for transaxial tomography," Proc. IEEE 65, 89–107 (1977).

Bartelt, H. O.

H. O. Bartelt, "Image correlation in white light by wavelength multiplexing," Opt. Commun. 29, 1679–1684 (1979).

Bartholomew, B. J.

Bescos, J.

Bocker, R.

M. A. Monahan, K. Bromley, and R. Bocker, "Incoherent correlators," Proc. IEEE 65, 121–129 (1977).

Born, M.

M. Born and E. Wolf, Principles of Optics, 2nd ed. (Pergamon, New York, 1964), Chap. X.

Bromley, K.

M. A. Monahan, K. Bromley, and R. Bocker, "Incoherent correlators," Proc. IEEE 65, 121–129 (1977).

Carlotto, M.

Casasent, D.

Chavel, P.

Dickey, F.

Froehly, C.

C. Froehly, A. Lacourt, and J. C. Vienot, "Notions de réponse impulsionnelle et de fonction de transfert temporelles des pupilles optiques, justifications expérimentales et applications," Nouv. Rev. Opt. Appl. 4, 183–196 (1973).

Goodman, J. W.

D. Tichenor and J. W. Goodman, "Practical noise limitations in holographic image deblurring," Proceedings of the International Optical Computing Conference (IEEE, Washington, D.C., 1975, IEEE Catalog, No. 75, CH 0941-5c), pp. 82–84.

Görlitz, D.

D. Görlitz and F. Lanzl, "Colour encoded aperture masks used for incoherent filtering of images," Opt. Commun. 28, 283–286 (1979).

Indebetouw, G.

Jahns, J.

J. Jahns and A. W. Lohmann, "The Lau effect (a diffraction experiment with incoherent illumination)," Opt. Commun. 28, 717–720 (1978).

Lacourt, A.

C. Froehly, A. Lacourt, and J. C. Vienot, "Notions de réponse impulsionnelle et de fonction de transfert temporelles des pupilles optiques, justifications expérimentales et applications," Nouv. Rev. Opt. Appl. 4, 183–196 (1973).

Lanzl, F.

D. Görlitz and F. Lanzl, "Colour encoded aperture masks used for incoherent filtering of images," Opt. Commun. 28, 283–286 (1979).

Lee, S. H.

Leith, E. N.

Lohmann, A. W.

J. Jahns and A. W. Lohmann, "The Lau effect (a diffraction experiment with incoherent illumination)," Opt. Commun. 28, 717–720 (1978).

Lowenthal, S.

Monahan, M. A.

M. A. Monahan, K. Bromley, and R. Bocker, "Incoherent correlators," Proc. IEEE 65, 121–129 (1977).

Moore, D.

Psaltis, D.

Rhodes, W. T.

W. T. Rhodes and A. A. Sawchuk, "Incoherent Optical Processing," in Optical Information Processing, edited by S. H. Lee (Springer-Verlag, Berlin, 1980), Chap. III.

Rogers, G. L.

G. L. Rogers, Noncoherent Optical Processing (Wiley, New York, 1977).

G. L. Rogers, Proc. Tech. Prog. Electro-Opt. Syst. Design Conf., New York, 1970 (unpublished).

Roth, J.

Sasaki, K.

Sato, T.

Sawchuk, A. A.

W. T. Rhodes and A. A. Sawchuk, "Incoherent Optical Processing," in Optical Information Processing, edited by S. H. Lee (Springer-Verlag, Berlin, 1980), Chap. III.

Stegun, I. A.

M. O. Abramowitz and I. A. Stegun, Handbook of Mathematical Functions (Dover, New York, 1965), p. 231.

Strand, T. C.

Swindell, W.

H. H. Barrett and W. Swindell, "Analog reconstruction methods for transaxial tomography," Proc. IEEE 65, 89–107 (1977).

Tichenor, D.

D. Tichenor and J. W. Goodman, "Practical noise limitations in holographic image deblurring," Proceedings of the International Optical Computing Conference (IEEE, Washington, D.C., 1975, IEEE Catalog, No. 75, CH 0941-5c), pp. 82–84.

Vienot, J. C.

C. Froehly, A. Lacourt, and J. C. Vienot, "Notions de réponse impulsionnelle et de fonction de transfert temporelles des pupilles optiques, justifications expérimentales et applications," Nouv. Rev. Opt. Appl. 4, 183–196 (1973).

Wiersma, P.

P. Wiersma, "A three colour channel system to synthesize complex point spread functions," Opt. Commun. 28, 280–281 (1979).

Wolf, E.

M. Born and E. Wolf, Principles of Optics, 2nd ed. (Pergamon, New York, 1964), Chap. X.

Yamamoto, P.

Yu, F. T. S.

Appl. Opt. (7)

J. Opt. Soc. Am. (2)

Nouv. Rev. Opt. Appl. (1)

C. Froehly, A. Lacourt, and J. C. Vienot, "Notions de réponse impulsionnelle et de fonction de transfert temporelles des pupilles optiques, justifications expérimentales et applications," Nouv. Rev. Opt. Appl. 4, 183–196 (1973).

Opt. Commun. (4)

J. Jahns and A. W. Lohmann, "The Lau effect (a diffraction experiment with incoherent illumination)," Opt. Commun. 28, 717–720 (1978).

H. O. Bartelt, "Image correlation in white light by wavelength multiplexing," Opt. Commun. 29, 1679–1684 (1979).

D. Görlitz and F. Lanzl, "Colour encoded aperture masks used for incoherent filtering of images," Opt. Commun. 28, 283–286 (1979).

P. Wiersma, "A three colour channel system to synthesize complex point spread functions," Opt. Commun. 28, 280–281 (1979).

Opt. Eng. (1)

P. Chavel and S. Lowenthal, "Film grain noise in partially coherent imaging," Opt. Eng. 19, 404–410 (1980).

Opt. Lett. (2)

Other (9)

G. L. Rogers, Noncoherent Optical Processing (Wiley, New York, 1977).

D. Tichenor and J. W. Goodman, "Practical noise limitations in holographic image deblurring," Proceedings of the International Optical Computing Conference (IEEE, Washington, D.C., 1975, IEEE Catalog, No. 75, CH 0941-5c), pp. 82–84.

M. A. Monahan, K. Bromley, and R. Bocker, "Incoherent correlators," Proc. IEEE 65, 121–129 (1977).

H. H. Barrett and W. Swindell, "Analog reconstruction methods for transaxial tomography," Proc. IEEE 65, 89–107 (1977).

W. T. Rhodes and A. A. Sawchuk, "Incoherent Optical Processing," in Optical Information Processing, edited by S. H. Lee (Springer-Verlag, Berlin, 1980), Chap. III.

G. L. Rogers, Proc. Tech. Prog. Electro-Opt. Syst. Design Conf., New York, 1970 (unpublished).

M. Born and E. Wolf, Principles of Optics, 2nd ed. (Pergamon, New York, 1964), Chap. X.

P. Chavel, Thesis, Institut d'Optique, University of Paris XI, Orsay France, 1979 (unpublished).

M. O. Abramowitz and I. A. Stegun, Handbook of Mathematical Functions (Dover, New York, 1965), p. 231.

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