Ultracompact complex optical device

Details Ultracompact complex optical device Ultracompact complex optical device

1995-06-23

1997-06-10

Fields, Carolyn E.

Optical: systems and elements

Lens

With reflecting element

G02B 1318

Patent

active

056382197

ABSTRACT:
An ultracompact complex optical device made up of a monolithic block of optical material with two opposite aspherical surfaces, the primary mirror being an aspherical annular specular concave surface and the secondary mirror being an aspherical convex or concave specular surface, circular in shape; the rays of light refract as they enter the optical material and are then reflected on the primary mirror made up of the generally convergent surface of optical material, and in the secondary mirror made up of the surface of the optical material in convergent or divergent form, once or several times, and lastly these are refracted as they leave the optical material. The device is used for application in the manufacturing of magnification lenses, eyepieces, microscopes, spyglasses, whether binoculars or telescopes, large telescopes, photographic cameras and also in any instrument or device in which non-visible radiation is used or developed.

REFERENCES:
patent: 2485345 (1949-10-01), Ackerman
patent: 5473474 (1995-12-01), Powell

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