Adjustable magnetorheologic gradient lenses

Nistiriuc, P.V.; Turcan, D.N.; Alexei, A.S.; Nistiriuc, I.V.; Beregoi, E.A.; Sajin, M.K.; Scutari, G.

doi:10.1109/crmico.2000.880289

Cited by 1 publication

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“…Gradient lens [6] and Liquid crystal lens [7] are two examples. Professors Nistiriuc P.V., et al point out a possible methodology of the liquid variable focus lens of combining liquid and optical powder [8].…”

Section: Introductionmentioning

confidence: 99%

A study of variable focus gradient optical index liquid lens

2008

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The purpose of this study is to present a design concept of a variable focus gradient index liquid lens. The concept of the design is utilized a method which involve powder in liquid and the powder is driven by electrical magnetic force. This lens is composed of a barrel, liquid, powder in liquid and electrical magnetic-driven control device. The electricalmagnetic control device is used to control the powder distribution in the liquid; the controlled powder distribution makes the lens becomes a gradient optical index lens. When the electrical magnetism-driven control device operates, the lens optical index decreases from centric to rim in radial direction gradually. The focused position can be varied when the electrical magnetism-driven controlled device operates in different conditions. Finally, a prototype is set up and experiment is conducted. Application and analysis of the design concept is also discussed.

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Section: Introductionmentioning

confidence: 99%