[PDF] Top 20 Electrically Controlled Liquid Crystal Phase Grating for Terahertz Waves

... the electrically tuned phase grating is about half of the magnetically tuned ...THz, for o-wave and e-wave, respectively, while the corresponding di- electric losses are ...the grating ... See full document

... of electrically controlled bire- fringence in a nematic liquid crystal cell for phase shifting of electromagnetic waves up to terahertz ...maximum phase ... See full document

... signals for o-ray and e-ray with respect to that of the ...the phase grating with the LC driven at different applying voltages as a function of ...the phase grating was the highest at ... See full document

... the phase grating also showed the potential for operating as a switchable polarizing beam ...the grating to an angle of 45° with respect to the y-direction while the magnetic field remained in ... See full document

... Abstract—Tunable phase shift up to 360 at 1 THz is demon- strated using electrically controlled birefringence in a vertically aligned nematic liquid crystal (E7) cell, ...required ... See full document

... a liquid-crystal terahertz phase ...∼75%. Phase shift exceeding π∕2 at ...required for the device operating as a quarter-wave plate was as low as ... See full document

... the phase shifter for terahertz waves utilizing magnetically con- trolled birefringence in a nematic liquid crystal ...maximum phase shift of 278  has been demonstrated ... See full document

... temperature liquid crystal THz phase shifter. The phase shift is achieved by magnetically controlling of the effective refractive index of LC ...LC for a cell as thick as ... See full document

... nematic liquid crystal 4’-n-pentyl-4-cyanobiphenyl in the THz frequency range,” ...Zhang,” Electrically controlled room temperature terahertz phase shifter with liquid ... See full document

... image for ITO NWhs used in this work were examined by scanning electron microscopy ...pretilt for high evaporation angles and perpendicular to the evaporation plate and with zero tilt for low ... See full document

... tunable terahertz (THz) phase shifters that are based on a sandwiched liquid crystal (LC) cell with indium–tin–oxide (ITO) nanowhiskers (NWhs) as transparent ...of phase shift at ...an ... See full document

... Basically, the spatially orientational distribution of LCs can be manipulated to realize the LC lens. However, combination of other factors can further extend the versatile design of LC lenses, such as orientations of ... See full document

... THz waves. If we are only interested in the calculation of the phase shift experienced by THz waves, such a straightforward analysis is ...groups. For this study, we extended the analysis to a ... See full document

... For THz studies of ultrafast dynamics in materials to medical, environmental sensing, and imaging as well as 1–3 future applications in THz communication and surveillance, quasi-optic components such as filters, ... See full document

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

... the crystal orientation rather than have a strong relation with the domain size of ...2.98ms for PSBP-LCs with and without the electrical treatment, ...not. For many applications that prefer uniform ... See full document

... N. Matveenko, P. D. Rudych, and N. A. Vinokurov, Int. J. Infrared Millim. Waves 28, 219 (2007). Fig. 3. (Color online) Polarization factors of THz LC polar- izers. The black circles, red squares, and blue ... See full document

... Taiwan Electrically tunable liquid crystal (LC) lenses have been studied for over 30 ...size for ophthalmic ...principles for designing polarization independent LC lenses are ... See full document

... The MPC sample is then put in a fused silica box and a NLC (MDA-00-3461 from Merck) is gradually filled into the box, one part at a time. After each filling, the sample is put in a vacuum chamber to pump out the air. ... See full document

... DOWN FOR ARTICLE Taylor & Francis makes every effort to ensure the accuracy of all the information (the “Content”) contained in the publications on our ...suitability for any purpose of the ...liable ... See full document