Parallel catadioptric optical element

Details Parallel catadioptric optical element Parallel catadioptric optical element

1990-02-20

1991-08-27

Dzierzynski, Paul M.

Optical: systems and elements

Lens

With reflecting element

359724, 359727, G02B 1708

Patent

active

050429280

ABSTRACT:
A single hybrid optical element combines reflective and refractive imaging. The optical unit utilizes a dual-reflector outer annulus zone and a refractive inner zone to achieve a high numerical aperture. This system is particularly suitable for, but not limited to, microscope objectives or for digital data storage applications.

REFERENCES:
patent: 929795 (1909-08-01), Siedentopf
patent: 1977689 (1934-10-01), Muller
patent: 2638033 (1953-05-01), Buchele et al.
patent: 2682197 (1954-06-01), Davis
patent: 2683394 (1954-07-01), Polanyi et al.
patent: 4109304 (1978-08-01), Khvalovsky et al.
patent: 4880974 (1989-11-01), Yamakawa
Martin, L. C., Technical Optics, vol. II, London, Pitman & Sons, 1961, pp. 142-145 QC 381.M32.
Roger P. Loveland, "Photomicrography," vol. 11, John Wiley and Sons, Inc., New York (1970), pp. 532-533, QH251.L6.
H. Siedentopf, "Uber Ultramicroskopische Abbilddung," Zietschrift Fur Wissenschaftliche Microskopie, 26, (1909), 391, p. 401.
Bohumil Jurek, "Optical Surfaces," Elsevier Scientific Publishing Co., New York (1977).

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