Optical: systems and elements – Lens – Panoramic
Patent
1998-08-21
2000-09-05
Epps, Georgia
Optical: systems and elements
Lens
Panoramic
359726, 359728, 359732, G02B 1306, G02B 1700
Patent
active
061151939
ABSTRACT:
A device for creating a panoramic field of view comprises a first light passing incident surface which is a cylinder surface and a second incident surface which is a mirror surface onto which light passing through the first surface impinges. A third incident surface onto which light from the second incident surface impinges is provided and the third incident surface being an aspherical transmission surface. A recollimating element for presenting a pupil plane depiction of a panoramic field of view is also provided. Various embodiments may include single or double lens devices with a second lens provided for the purpose of recollimating light.
REFERENCES:
patent: 3505465 (1970-04-01), Rees
patent: 5473474 (1995-12-01), Powell
Epps Georgia
Lenzen, Jr. Glenn H.
Lester Evelyn A.
Raytheon Company
Schubert William C.
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