High resolution image forming optical system

Details High resolution image forming optical system High resolution image forming optical system

1982-06-29

1984-09-18

Arnold, Bruce Y.

350448, 350509, G02B 2112, G02B 518

Patent

active

044720238

ABSTRACT:
A high resolution image forming optical system provided with an annular aperture stop arranged near the front side focal plane of a condenser lens and an annular filter arranged in a position conjugate with the annular aperture stop with respect to the optical system including the condenser lens and an objective in order to improve the image-forming performance.

REFERENCES:
patent: 3476457 (1969-11-01), Nomarski et al.
Kingslake, Rudolf, Applied Optics and Optical Engineering, 1967, vol. #4, pp. 67-70.

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