Multi-fold optical magnifier for use in image manifestation appa

Details Multi-fold optical magnifier for use in image manifestation appa Multi-fold optical magnifier for use in image manifestation appa

1995-04-03

1997-12-16

Dzierzynski, Paul M.

Optical: systems and elements

Diffraction

From grating

359568, 359630, 359638, 359833, 359834, 359728, G02B 518, G02B 2714, G02B 1700, G02B 504

Patent

active

056991860

ABSTRACT:
A multi-fold optical magnifier includes a prism with four reflecting surfaces positioned to direct light from an inlet to an outlet, and a lens positioned adjacent the prism outlet to receive light from the prism. An aspheric surface of the lens is in the light path for aberration correction and diffractive optical elements formed on the prism and lens are positioned in the light path to provide further aberration correction. The prism and lens angularly magnify an image source at the prism inlet by greater than ten. The total distance, orthogonal to the source plane, between the prism inlet and the lens outlet is 10 to 15 millimeters.

REFERENCES:
patent: 4896952 (1990-01-01), Rosenbluth
patent: 5530586 (1996-06-01), Yasugaki
patent: 5539578 (1996-07-01), Togino et al.
patent: 5543966 (1996-08-01), Meyers
patent: 5546227 (1996-08-01), Yasugaki et al.
patent: 5596433 (1997-01-01), Konuma

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