Motionless zoom lens

Details Motionless zoom lens Motionless zoom lens

2005-05-24

2005-05-24

Epps, Georgia (Department: 2873)

Optical: systems and elements

Lens

Fluid

C359S676000, C349S200000

Reexamination Certificate

active

06898021

ABSTRACT:
Systems and methods are disclosed herein to provide zoom lenses. For example, in accordance with an embodiment of the present invention, a zoom lens is provided with a tunable lens. The focal length of the zoom lens may be varied without mechanically moving or changing the separation between one or more lens components.

REFERENCES:
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patent: 5117309 (1992-05-01), Aoki
patent: 5644434 (1997-07-01), Hagimori
patent: 6111336 (2000-08-01), Yoshida et al.
patent: 6459535 (2002-10-01), Goto
patent: 6626532 (2003-09-01), Nishioka et al.
patent: 6631035 (2003-10-01), Iikawa et al.
patent: 6646815 (2003-11-01), Nobe
patent: 6657795 (2003-12-01), Nishimura et al.
patent: 6661584 (2003-12-01), Nishimura
Tunable Fresnel lens using nanoscale polymer-dispersed liquid crystals, by Hongwen Rene et al., Applied Physics Letters, vol. 83, No. 8, Aug. 25, 2003.
Tunable liquid-filled microlens array integrated with microfluidic network, by Nikolas Chronis et al., Optics Express, vol. 11, No. 19, Sep. 22, 2003.
Microlenses immersed in nematic liquid crystal with electrically controlled focal length, by L.G. Commander et al., EOS Topical Digest Meetings Microlens Arrays, vol. 5, 1995, pp. 72-76.

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