The following is an excerpt from Opto-Electronics Report. For the the full article, click on the link below.
Opto-Electronics Report [May 15, 2007; VOLUME 14 NO. 10] (pdf) ..."Holochip (Palo Alto, CA) showed a fluid-based lens that is continuously variable in focal length from infinity to approximately 50 mm; the lens contains a fluid that is held by a flexible membrane. The prototype had a clear-aperture diameter of about 10 mm, but the technology is scalable up to 25 mm diameters and down to less than a millimeter. While suitable for uses such as cell-phone cameras, the lens is rugged and simple enough to be used as a general singlet lens in the laboratory. The wave-front quality is currently half-wave peak-to-valley, and is being improved."...
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