Dynamic control of light direction enabled by stimuli‐responsive liquid crystal gratings
The ability to control light direction with tailored precision via facile means is long‐desired in
science and industry. With the advances in optics, a periodic structure called diffraction …
science and industry. With the advances in optics, a periodic structure called diffraction …
Ferroelectric liquid crystals: Excellent tool for modern displays and photonics
AK Srivastava, VG Chigrinov… - Journal of the Society for …, 2015 - Wiley Online Library
The ferroelectric liquid crystals, because of their fast electro‐optical response, are one of the
most important classes of liquid crystals. Here, in this review, we have summarized the …
most important classes of liquid crystals. Here, in this review, we have summarized the …
Programmable jigsaw puzzles of soft materials enabled by pixelated holographic surface reliefs
Manual intervention in the self‐organization of soft matter to obtain a desired superstructure
is a complex but significant project. Specifically, optical components made fully or partially …
is a complex but significant project. Specifically, optical components made fully or partially …
Arbitrary photo-patterning in liquid crystal alignments using DMD based lithography system
We propose and implement a technique for arbitrary pattern fabrication in liquid crystal (LC)
alignments and local polarization control for light wavefront. A micro-lithography system with …
alignments and local polarization control for light wavefront. A micro-lithography system with …
[PDF][PDF] Generating switchable and reconfigurable optical vortices via photopatterning of liquid crystals
Optical vortices have attracted intensive attention and been extensively studied during the
past two decades.[1–3] The optical vortex is a light beam characterized by a helical phase …
past two decades.[1–3] The optical vortex is a light beam characterized by a helical phase …
Large birefringence liquid crystal material in terahertz range
We develop a fluorinated phenyl-tolane based nematic mixture NJU-LDn-4 and evaluate its
frequency-dependent birefringence utilizing terahertz time domain spectroscopy (THz-TDS) …
frequency-dependent birefringence utilizing terahertz time domain spectroscopy (THz-TDS) …
[HTML][HTML] Ferroelectric liquid crystals: physics and applications
Q Guo, K Yan, V Chigrinov, H Zhao, M Tribelsky - Crystals, 2019 - mdpi.com
Electrooptic modes with fast response and high contrast ratio are highly desirable in modern
photonics and displays. Ferroelectric liquid crystals (FLCs) are especially promising for …
photonics and displays. Ferroelectric liquid crystals (FLCs) are especially promising for …
[HTML][HTML] Photoaligning and photopatterning: New LC technology
V Chigrinov, J Sun, X Wang - Crystals, 2020 - mdpi.com
We demonstrate a physical model of photoalignment and photopatterning based on
rotational diffusion in solid azo-dye nanolayers. We also highlight the new applications of …
rotational diffusion in solid azo-dye nanolayers. We also highlight the new applications of …
Fast switchable grating based on orthogonal photo alignments of ferroelectric liquid crystals
We demonstrate a fast switchable grating based on ferroelectric liquid crystals and
orthogonal planar alignment by means of photo alignments. Both 1D and 2D gratings have …
orthogonal planar alignment by means of photo alignments. Both 1D and 2D gratings have …
[HTML][HTML] Polarization-independent liquid-crystal phase modulator with multi-microdomain orthogonally twisted photoalignment
M Tang, K Huang, Y Zhang, J Lu - Light: Advanced Manufacturing, 2024 - light-am.com
Polarization-independent liquid-crystal (LC) phase modulators can significantly improve the
efficiency and reduce the complexity of optical systems. However, achieving good …
efficiency and reduce the complexity of optical systems. However, achieving good …