Apparatus for the relative increase of depth sharpness and impro

Optical: systems and elements – Compound lens system – Microscope

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359385, 359388, G02B 2106, G02B 2114, G02B 2120

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active

050590111

ABSTRACT:
The invention relates to an apparatus for increasing depth sharpness and improving the resolving power of magnifying systems, particularly microscopes. An image-forming layer is inserted between the primary and secondary magnifiers of a composite magnifying system, in the optical path, after the object, in the image plane of the primary magnifier. The image-forming layer is comprised of independent particles dispersed in a medium, the index of refraction of which differs from that of said particles. The image-forming layer is disposed in the image plane, whereby the images coincide with the object plane of the secondary magnifier.

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patent: 4884880 (1989-12-01), Lichtman et al.
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patent: 4927253 (1990-05-01), Stuber et al.
patent: 4927254 (1990-05-01), Kino et al.
H. Illig et al., "ABC Glas", VEB Deutscher Verlag fur Grundstoffindustrie (Leipzig), 1983, p. 249.
O. Neumuller, "Rompps Chemie-Lexikon", vol. 2, Franckh'sche Verlagshandlung (Stuttgart), 1981, p. 1487.

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