Synthetic imaging technique

Details Synthetic imaging technique Synthetic imaging technique

1988-05-12

1990-04-03

Arnold, Bruce Y.

G02B 2746

Patent

active

049135244

ABSTRACT:
An optical system wherein a mask pattern occurring at a predetermined period is imaged with a period less than the predetermined period. Spatial filter means are disposed within the optical system for permitting only the two (positive and negative) first orders of light from an illumination source diffracted by the mask pattern to pass therethrough.

REFERENCES:
patent: 3563634 (1971-02-01), Parks et al.
patent: 4360269 (1982-11-01), Iwamoto et al.
Goodman, J. W., Introduction to Fourier Optics, McGraw Hill, N.Y., pp. 141-144.

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