Anamorphic optical system

Details Anamorphic optical system Anamorphic optical system

2001-11-27

2004-01-13

Robinson, Mark A. (Department: 2872)

Optical: systems and elements

Lens

Anamorphic

C359S832000, C359S837000

Reexamination Certificate

active

06678095

ABSTRACT:

BRIEF DESCRIPTION OF THE DRAWINGS
In the accompanying drawings:
FIG. 1
illustrates an anamorphic optical system incorporating corrector optics and a pair of prisms;
FIG. 2
illustrates an embodiment of an anamorphic optical system incorporating a cylindrical corrector;
FIG. 3
illustrates an embodiment of an anamorphic optical system incorporating a cylindrical window corrector;
FIG. 4
a
illustrates an isometric view of a variable corrector;
FIG. 4
b
illustrates an isometric view of a variable corrector together with an associated adjusting mechanism;
FIG. 5
illustrates a cross-section of a variable cylindrical corrector;
FIG. 6
illustrates a clamp mechanism that can be used in accordance with the embodiments of
FIGS. 5 and 7
;
FIG. 7
illustrates an embodiment of an anamorphic optical system wherein corrector optics are incorporated in the prisms;
FIG. 8
illustrates an embodiment of a prism at least partially filled with optical fluid, that compensates for variations in pressure or temperature;
FIG. 9
illustrates an embodiment of an anamorphic optical subsystem comprising three prisms;
FIG. 10
illustrates a projection imaging system adapted to compensate for chromatic aberration by an anamorphic optical subsystem;
FIGS. 11
a
,
12
a
and
13
a
illustrate red, blue and green image components without compensation for chromatic aberration;
FIGS. 11
b
,
12
b
and
13
b
illustrate red, blue and green image components with compensation for chromatic aberration;
FIG. 14
a
illustrates a resulting image from the image components shown in
FIGS. 11
a
,
12
a
and
13
a;
FIG. 14
b
illustrates a resulting image from the image components shown in
FIGS. 11
b
,
12
b
and
13
b
; and
FIG. 15
illustrates a second embodiment of a projection imaging system adapted to compensate for chromatic aberration by an anamorphic optical subsystem.


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