Phase plate to extend the depth of field of incoherent hybrid imaging systems

Applied Optics

Volumn 43, Issue 13, 2004, Pages 2709-2721

  Sherif, Sherif S ^a,b   Cathey, W Thomas ^c   Dowski, Ed R ^c  

^a UNIVERSITY OF COLORADO   (United States)

^b IMPERIAL COLLEGE LONDON   (United Kingdom)

^c CDM Optics Inc   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CHARGE COUPLED DEVICES; COMPUTER SIMULATION; INTEGRAL EQUATIONS; MATHEMATICAL TECHNIQUES; OPTICAL TRANSFER FUNCTION; PARAMETER ESTIMATION;

DEPTH OF FIELDS (EDF); HYBRID IMAGING SYSTEM; PHASE PLATE; RADIAL VARIATION;

IMAGING SYSTEMS;

EID: 2442562451     PISSN: 1559128X     EISSN: 15394522     Source Type: Journal    
DOI: 10.1364/AO.43.002709     Document Type: Article

References (23)

1. W. T. Welford, "Use of annular apertures to increase focal depth," J. Opt. Soc. Am. 50, 749-753 (1960).
2. M. Mino and Y. Okano, "Improvement in the optical transfer function of a defocused optical system through the use of shaded apertures," Appl. Opt. 10, 2219-2225 (1971).
3. J. Ojeda-Castenada, P. Andres, and A. Diaz, "Annular apodizers for low sensitivity to defocus and to spherical aberration," Opt. Lett. 11, 487-489 (1986).
4. J. Ojeda-Castenada, E. Tepichin, and A. Diaz, "Arbitrary high focal depth with a quasi-optimum real and positive transmittance apodizer," Appl. Opt. 28, 2666-2670 (1989).
5. J. Ojeda-Castenada and L. R. Berriel-Valdos, "Zone plate for arbitrarily high focal depth," Appl. Opt. 29, 994-997 (1990).
6. G. Hausler, "A method to increase the depth of focus by two step image processing," Opt. Commun. 6, 38-42 (1972).
7. W. T. Cathey, B. R. Frieden, W. T. Rhodes, and C. K. Rushford, "Image gathering and processing for enhanced resolution," J. Opt. Soc. Am. A 1, 241-250 (1984).
8. J. Ojeda-Castenada, R. Ramos, and A. Noyola-Isgleas, "High focal depth by apodization and digital restoration," Appl. Opt. 27, 2583-2586 (1988).
9. E. R. Dowski, Jr. and W. T. Cathey, "Extended depth of field through wave-front coding," Appl. Opt. 34, 1859-1866 (1995).
10. H. H. Hopkins, "The frequency response of a defocused optical system," Proc. R. Soc. London Ser. A 231, 91-103 (1955).
11. W.-L. Chi and N. George, "Electronic imaging using a logarithmic asphere," Opt. Lett. 26, 875-877 (2001).
12. M. Born and B. Wolf, Principles of Optics, 6th ed. (Cambridge U. Press, Cambridge, 1997).
13. J. W. Goodman, Introduction to Fourier Optics, 2nd ed. (McGraw-Hill, New York, 1996), Chap. 6, pp. 126-171.
14. E. T. Copson, Asymptotic Expansions (Cambridge U. Press, Cambridge, 1967).
15. E. L. Key, E. N. Fowle, and R. D. Haggarty, "A method for designing signals of large time-bandwidth product," IRE Int. Conv. Rec. 4, 146-155 (1961).
16. E. N. Fowle, "The design of FM pulse compression signals," IEEE Trans. Inf. Theory IT-10, 61-67 (1964).
17. Focus Software, Inc., "Zemax optical design program: user's guide," (Focus Software, Tucson, Ariz., 2000).
18. S. S. Sherif and W. T. Cathey, "Reduced depth of field in incoherent hybrid imaging systems," Appl. Opt. 41, 6062-6074 (2002).
19. L. E. Franks, Signal Theory, rev. ed. (Dowden & Culver, Stroudsburg, Pa., 1981).
20. K. Brenner, A. Lohmann, and J. Ojeda-Castenada, "The ambiguity function as a polar display of the OTF," Opt. Commun. 44, 323-326 (1983).
21. A. K. Jain, Fundamentals of Digital Image Processing (Prentice-Hall, Englewood Cliffs, N.J., 1989).
22. S. Bradburn, W. T. Cathey, and E. R. Dowski, "Realizations of focus invariance in optical-digital systems with wavefront coding," Appl. Opt. 36, 9157-9166 (1997).
23. J. E. Greivenkamp and A. E. Lowman, "Modulation transfer function measurement of sparse-array sensors using a self-calibrating fringe pattern," Appl. Opt. 33, 5029-5036 (1994).