[PDF] Top 20 An electrically tunable optical zoom system using two composite liquid crystal lenses with a large zoom ratio

... Abstract: An electrically tunable-focusing optical zoom system using two composite LC lenses with a large zoom ... See full document

... demonstrate a compact electrically tunable-focusing optical zoom system using two LC ...The optical principle in the system is investigated first. To ... See full document

... demonstrated a pico projection system with elec- trically tunable optical zoom ratio adopting two liquid crystal ...Such a pico projection ... See full document

... Conventionally, optical zoom system consists of many lenses and a voice coil motor(VCM) to control the relative distance of ...The lenses are categorized as two groups: ... See full document

... Keywords: Liquid crystal lens; Electrically tunable zoom lens; Focusing function; Zooming function ...INTRODUCTION An electrically tunable optical focusing ... See full document

... is large. The second type of the LC lenses is the inhomogeneous distribution of refractive indices with a uniform thickness of a LC layer and the spatial phase difference is (r) = 2π/ ... See full document

... the electrically tunable pico projector using a LC lens as an active optical ...from a light-emitting diode (LED; XRE-Q5 CREE) passes through a relay lens in order ... See full document

... of an optical high pass filter and the system is then bulky for practical ...demonstrate a holographic projection system using two liquid lenses which ... See full document

... endoscopic system with an electrically tunable lens has not been discussed ...the electrically tunable focusing liquid crystal (LC) lenses based on ... See full document

... The electrically tunable focal length of LC lenses results from the gradient distribution of refractive indices due to the orientations of LC ...LC lenses need to be overcome. The requirement ... See full document

... ABSTRACT Liquid crystal (LC) lenses offer novel opportunities for applications of ophthalmic lenses, camera modules, pico projectors, endoscopes, and optical zoom systems owing ... See full document

... LCPCF with various surface free energies in terms of adjusting polarity of LC mol- ecules, fractions of LC materials, roughness of LCPCF, and the distribution of electric ...the tunable range of the surface ... See full document

... Abstract: A holographic projection system with optical zoom is ...By using a combination of a LC lens and an encoded Fresnel lens on the LCoS panel, we can ... See full document

... /LC lenses. 3. CONCLUSION We have reviewed the LC lenses in this ...LC lenses are versatile because the LC lenses possess the capability of tunable focusing properties without ... See full document

... coated with mechanically buffered PVA (Polyvinylalcohol) to align the LC molecules, a LC layer and a LCPCF ...etched with a hole-pattern within a diameter of ...provide an ... See full document

... LC/polymer composite film are threefold: 1) small Joule’s heating which is a common issue for DEP or electrowetting in water-based devices, 2) small hysterisis, and 3) low power ...apply an ... See full document

... To link to this article: http://dx.doi.org/10.1080/15421406.2014.918321 PLEASE SCROLL DOWN FOR ARTICLE Taylor & Francis makes every effort to ensure the accuracy of all the information (the “Content”) contained in the ... See full document

... through a cornea, a crystalline lens and retina of a human eye to form an ...Such an amplitude of accommodation decreases linearly with the age and then turns out static (around ... See full document

... THz, Liquid-crystal devices, far Infrared, phase shifters ...photonics. With the development of solid-state femtosecond lasers and advanced optoelectronic THz-devices, a new era of fundamental ... See full document

... Electrically tunable focusing liquid crystal 共LC兲 lens is important in cell phones, cameras, picoprojectors, and the night vision of hand-carried ...LC lenses are low cost, light ... See full document