Optical system for infrared tracking

Details Optical system for infrared tracking Optical system for infrared tracking

1981-05-20

1983-07-26

Henry, Jon W.

350505, 350567, G02B 1706, G02B 2306

Patent

active

043950957

ABSTRACT:
An optical relay system for bringing a Cassegrain-type or other type telepe infrared (IR) image through a mount elevation axis, yoke and azimuth axis for focusing at an image plane on the mount which is stationary relative to compound motion of the telescope. The relay system is made up or of deflecting or folding mirrors, apertured flat mirrors and concave spherical and elliptical mirrors arranged for minizing field degradation of off-axis objects.

REFERENCES:
patent: 4139286 (1979-02-01), Hein et al.
Doschek; George et al., Sky and Telescope, Jul. 1961, pp. 47-52.

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