Patent ID: 8937764
Filing Date: 2015-01-20
Classification: B60R,G01J,G02B

Abstract:
1. An optical system comprising: an optical telescope including a plurality of mirrors optically coupled together and configured to receive and direct first light rays through an entrance aperture of the optical system along a primary optical path; a detector positioned behind the optical telescope in the primary optical path and configured to receive the first light rays from the optical telescope; and an optical sub-system positioned behind the optical telescope and configured to form a secondary optical path between the entrance aperture of the optical system and the optical sub-system, the optical telescope being positioned at least partially in the secondary optical path and configured to direct second light rays along the secondary optical path; wherein the optical telescope includes: wherein the tertiary mirror includes an aperture positioned along the primary optical path, the detector is positioned behind the aperture, and the quaternary mirror is configured to reflect and direct the first light rays through the aperture toward the detector.