Abstract

By combining a microscope and television systems, a superresolving microscope is constructed. The basic idea of this system is to convert the hologram signal of the image to an electrical video signal using television systems and to perform operations necessary to carry out the superresolution electrically. As a result images which are superresolved twice in one dimension are displayed on a TV monitor in 5 sec.

© 1974 Optical Society of America

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References

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  1. A. Macovski, S. D. Ramsey, L. F. Schaefer, Appl. Opt. 10, 2722 (1971).
    [CrossRef] [PubMed]
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    [CrossRef]

1971

1967

1966

1965

A. W. Lohmann, D. P. Paris, Appl. Opt. 3, 1937 (1965).

1963

W. Lukosz, M. Marchand, Opt. Acta 10, 241 (1963).
[CrossRef]

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Figures (4)

Fig. 1
Fig. 1

Optical and electronic systems of super resolving microscope. L, He–Ne laser; HM, half mirror; M, mirrror; P, pin hole; ST, alternative shutter; O, object; MS, microscope; IP, image plane; VC, video camera; RSG, reference signal generator; MV, multiplier; LP, low-pass filter; EDR, endless data recorder; S, squaring element.

Fig. 2
Fig. 2

Explanation of the operations of superresolution microscope: (a) optical system and spatial frequency band; (b) spectrum of video signal; (c) transformation of carrier frequency to the proper position; (d) spectrum of video signal of superresolved image.

Fig. 3
Fig. 3

Experimental results of superresolution for one-dimensional object: (a) image when the lens of N.A. = 0.13 was used; (b) superresolved image; (c) image when the lens of N.A. = 0.25 was used.

Fig. 4
Fig. 4

Superresolution for image of stem of fern: (a) image when the lens of N.A. = 0.13 was used; (b) superresolved image; (c) image when the lens of N.A. = 0.25 was used.

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