Wide field optical system

Details Wide field optical system Wide field optical system

1988-06-10

1989-11-28

Henry, Jon W.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

350 69, 350486, 250203R, G02B 1706, G02B 1708, G02B 2610

Patent

active

048833487

ABSTRACT:
A telescope with a spherical primary mirror and a movable secondary optical element which is positioned at various locations near the focal plane of the primary mirror and directs a portion of the focused radiation to a coude optics device at the center of curvature of the primary mirror. The coude optics device reflects the focused radiation to a detector. In a preferred embodiment of this invention a field of several degrees can be scanned very rapidly while viewing much smaller object fields.

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patent: 3961179 (1976-06-01), Kuffer
patent: 4025783 (1977-05-01), Fletcher et al.
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patent: 4427878 (1984-01-01), Buchtel et al.
patent: 4521068 (1985-06-01), Schulte in den Baumen
patent: 4695139 (1987-09-01), Bagby et al.
David R. Shafer, Large Telescope Designs with a Spherical Primary Mirror, 1979, SPIE, vol. 172, Instrumentation in Astronomy III.

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