[PDF] Top 20 Liquid-crystal-based tunable filter for WDM (lambda=1550 nm)

... liable for any losses, actions, claims, proceedings, demands, costs, expenses, damages, and other liabilities whatsoever or howsoever caused arising directly or indirectly in connection with, in relation to or ... See full document

... pass filter consisting of high- aspect-ratio micron-sized wire ...7 Tunable THz filter designs include: a tunable THz attenuator and filter based on a mixed-type I/type II GaAs/ ... See full document

... posted May 19, 2008 (Doc. ID 92736); published June 19, 2008 A broadly tunable terahertz Solc-type birefringence filter is demonstrated. The first central passband frequency of the filter can be ... See full document

... of tunable optical filter for DWDM ...transmission-type liquid crystal spatial light modulator ...800 nm) as the signal light. For conceptual demonstration, we use optical ... See full document

... electrically tunable, shifting to shorter wavelengths with increasing ...in tunable optical communications are also possible because the central reflection wavelengths of the dielectric mirrors can be ... See full document

... nematic liquid crystal (LC) with a simple aluminum (Al) grating ...[26], tunable filters with microspheres [27], and phase-controlled all-dielectric metasurface [28] to achieve the tunability of ... See full document

... THz, Liquid-crystal devices, far Infrared, phase shifters ...1-3 For these and future applications in THz communication and surveillance, quasi-optic components such as phase shifters, modulators, ... See full document

... of liquid crystal (LC), such as no- bias bend (NBB) displays [1], bistable bend-splay dis- plays [2], and bistable super-twisted nematic dis- plays [3], which require the intermediate pretilt angle ... See full document

... The light-scattering ability of a given PDLC sample var- ies almost exponential with the thickness of the sample. 16 High scattering is desirable for completely filtering the sig- nal. However, the switching ... See full document

... ) for 40 ....26 for λ = 589.3 nm at 20 ◦ C) between the LCPCF layer and another ITO substrate coated with mechanically buffered PVA in order to construct the structure as shown in ... See full document

... photonic crystal (MPC) immersed in liquid ...photonic crystal has specific photonic band gap (PBG) and can be utilized as a ...nematic liquid crystal (NLC), ...a tunable THz ... See full document

... large tunable focusing range (infinity to 10 cm). For the conventional LC lenses based on only the electrically tunable distribution of refractive indices, large tunable focusing range ... See full document

... Keywords: Liquid Crystal Lens, Lens Coupler, Variable Optical Attenuator, Polarizer ...The liquid crystal (LC) has been studied for many years, and a lot of related applications emerge ... See full document

... Introduction For human eyes, the incident light passes through a cornea, a crystalline lens and retina of a human eye to form an ...actually tunable-focusing lenses whose lens powers ...extra-artificially ... See full document

... THz, Liquid-crystal devices, far Infrared, phase shifters ...1-3 For these and future applications in THz communication and surveillance, quasi-optic components such as phase shifters, modulators, ... See full document

... manner. For example, Cluster Mura usually appears as a cluster of several points locating within a small ...the liquid crystal layer or TFT layer may induce this kind of Mura ... See full document

... electrically tunable polarizer based on an LC ...power for the e-ray, it sees a parabolic phase distribution, giving rise to a convergence of the e-ray with a beam waist that is closely matched to ... See full document

... issue for DEP or electrowetting in water-based devices, 2) small hysterisis, and 3) low power ...dielectric liquid to generate a pulling force which changes the contact angle of the ...in ... See full document

... Laser, Liquid crystal devices, Narrow Linewidth INTRODUCTION Tunable semiconductor and fiber lasers are compact, versatile sources used extensively in dense-wavelength- division-multiplexing (DWDM) ... See full document

... 2 Electrical and Computer Engineering Department, University of Connecticut, Storrs, Connecticut 06269-4157, USA * [email protected] Abstract: In this paper, we demonstrate a multi-functional ... See full document