Multi-frequency telescope apparatus for celestial observations using reflecting telescope

Abstract

A telescope apparatus for celestial observations by a reflecting telescope which is provided with: a first reflecting mirror 3 having its surface 3a coated over the entire area thereof with a grid-like metallic film 10 that reflects radio waves 1 but permits the passage therethrough of infrared and visible rays 2 and having its back 3b coated over the entire area thereof with a full-face metallic film that reflects both of the radio waves 1 and the infrared and visible rays 2; and a second reflecting mirror 4 having its surface 4a coated over the entire area thereof with the grid-like metallic film 10 that reflects the radio waves 1 but permits the passage therethrough of the infrared and visible rays 2 and having its back 4b coated over the entire area thereof with the full-face metallic film 11 that reflects both of the radio waves 1 and the infrared and visible rays.

Dependencies are inferred from the claim text.