Dynamic generation of non-diffracting beams by using an electrically variable liquid crystal lens
Sign Up to like & getrecommendations! Published in 2019 at "Optics Communications"
DOI: 10.1016/j.optcom.2019.02.053
Abstract: Abstract An approach is presented that allows an electrically variable liquid crystal lens to operate as a spherical lens, then be switched into a variable prism, axicon, etc. This is achieved by a simple phase… read more here.
Keywords: crystal lens; generation; variable liquid; electrically variable ... See more keywords
Achromatic polymer-dispersed liquid crystal lens with diffractive–refractive hybrid structure
Sign Up to like & getrecommendations! Published in 2023 at "Materials Research Express"
DOI: 10.1088/2053-1591/accc0f
Abstract: The focal length of liquid crystal Fresnel lens is electrically controllable, but the disadvantage is the chromatic aberration is obvious. In this paper, the electrically controlled zoom characteristics of liquid crystal lens and the basic… read more here.
Keywords: crystal; diffractive refractive; polymer dispersed; liquid crystal ... See more keywords
Improvement of Hole-Patterned Electrode Liquid Crystal Lens by Coplanar Inner Ring Electrode
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2019.2939268
Abstract: In this study, the electro-optical performance of coplanar inner floating ring (CIFR)–hole-patterned electrode (with 1 mm aperture size) liquid crystal (LC) lens (HPELCL) was examined. Various experimental conditions, such as driving frequencies and cell structures,… read more here.
Keywords: crystal lens; coplanar inner; liquid crystal; hole patterned ... See more keywords
Improvement in imaging contrast feature of liquid crystal lens with the dopant of multi-walled carbon nanotubes.
Sign Up to like & getrecommendations! Published in 2017 at "Applied optics"
DOI: 10.1364/ao.56.006655
Abstract: An effective method to fabricate a high-contrast imaging liquid crystal (LC) lens with a relatively fast response time is proposed. This electrically tunable-focus LC lens is doped with multi-walled carbon nanotubes (MWCNTs) and has a… read more here.
Keywords: contrast; walled carbon; carbon nanotubes; liquid crystal ... See more keywords
Liquid crystal lens with corrected wavefront asymmetry.
Sign Up to like & getrecommendations! Published in 2018 at "Applied optics"
DOI: 10.1364/ao.57.005072
Abstract: We propose a simple technique allowing the correction of the inherent wavefront asymmetry in electrically variable liquid crystal lenses with relatively small diameters. This is achieved by splitting the peripheral hole patterned electrode of the… read more here.
Keywords: lens corrected; liquid crystal; crystal lens; wavefront asymmetry ... See more keywords
Depth from defocus measurement method based on liquid crystal lens.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.028413
Abstract: This paper describes a depth from defocus (DFD) method to recover the depth of scene from two images taken by a liquid crystal (LC) lens imaging system. The system is composed of a camera module… read more here.
Keywords: liquid crystal; crystal lens; method; depth defocus ... See more keywords
Liquid crystal lens with a shiftable optical axis.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.488844
Abstract: A liquid crystal (LC) lens with a laterally shiftable optical axis is proposed and demonstrated. The optical axis of the lens can be driven to shift within the lens aperture without compromising its optical properties.… read more here.
Keywords: liquid crystal; crystal lens; axis; optical axis ... See more keywords
Electrically tunable liquid crystal lens with a serpentine electrode design.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.447853
Abstract: The design and operational principle of a new electrically tunable gradient index liquid crystal lens are described. The approach is based on linear serpentine electrodes and does not require a semiconductor layer. A preliminary validation… read more here.
Keywords: electrically tunable; tunable liquid; liquid crystal; crystal lens ... See more keywords
Tunable focal waveguide-based see-through display with negative liquid crystal lens.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.466184
Abstract: A see-through display based on a planar holographic waveguide with a tunable focal plane is presented. A negative liquid crystal lens is attached on the outcoupling location of the waveguide to manipulate the image distance.… read more here.
Keywords: see display; liquid crystal; waveguide; crystal lens ... See more keywords