Optical: systems and elements – Lens – Fluid
Patent
1996-10-29
1998-03-24
Nelms, David C.
Optical: systems and elements
Lens
Fluid
359797, G02B 106, G02B 900
Patent
active
057319073
ABSTRACT:
A color corrector having a liquid lens with abnormal dispersion characteristics is coupled axially to an achromatic optical system to reduce its residual color errors. The color corrector is positioned along the axis between the entrance pupil of the achromatic lens system and the image plane.
REFERENCES:
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patent: 4932762 (1990-06-01), Robb
patent: 4958919 (1990-09-01), Sigler
patent: 5033831 (1991-07-01), Sigler
patent: 5345337 (1994-09-01), Sigler
patent: 5446591 (1995-08-01), Medlock
patent: 5459614 (1995-10-01), Leary
"Gleanings for ATM's--A New Approach to Color Correction" by Roger W. Sinnott, from Sky & Telescope, dated Oct. 1985, pp. 375-378.
"Glass selection for airspaced apochromats using the Buchdahl dispersion equation" by Robert D. Sigler, from Applied Optics, vol. 25, No. 23, dated Dec. 1, 1986, pp. 4311-4320.
"Apochromatic color correction using liquid lenses" by Robert D. Sigler, from Applied Optics, vol. 29, No. 16, dated Jun. 1, 1990, pp. 2451-2459.
"Liquid lenses yield better vision" by Mark A. Gottschalk, from Design News, dated Apr. 25, 1994, pp. 54 and 58.
Lockheed Missiles & Space Company Inc.
Nelms David C.
Schwartz Jordan M.
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