Dynamic optical grating based on a photomechanical molecular crystal

W Li, AJ Berges, E Bekyarova… - Advanced Optical …, 2023 - Wiley Online Library
Organic photomechanical crystals transform molecular‐scale photoisomerization events into
largescale crystal shape changes. The results in this paper demonstrate that this …

Laser written stretchable diffractive optic elements in liquid crystal gels

B Chen, Z Zhao, C Nourshargh, C He, PS Salter… - Crystals, 2022 - mdpi.com
Direct laser writing (DLW) in liquid crystals (LCs) enables a range of new stimuli-responsive
functionality to be realized. Here, a method of fabricating mechanically tunable diffraction …

Dielectric optical waveguide fabricated on a transparent substrate

J Yuan, RA Aoni, AM Armani - Optics Letters, 2023 - opg.optica.org
Transparent glass substrates are routinely used in the fabrication of metasurfaces,
augmented reality (AR), virtual reality (VR), and holographic devices. While readily …

Top-Performance Transmission Gratings with Haloalkanes-Based Polymeric Composite Materials

R Castagna, C Riminesi, A Di Donato… - Materials, 2022 - mdpi.com
We report on highly transparent holographic phase transmission volume gratings recorded
in the visible region at λ= 532 nm. The maximum measured diffraction efficiency is higher …

Nanofabrication of Bulk Diffraction Nanogratings via Direct Ultrashort-Pulse Laser Micro-Inscription in Elastomers and Heat-Shrinkable Polymers

V Kesaev, A Rupasov, N Smirnov, P Pakholchuk… - Nanomaterials, 2023 - mdpi.com
Optical-range bulk diffraction nanogratings were fabricated via challenging direct inscription
by ultrashort (femtosecond, fs) laser pulses inside heat-shrinkable polymers (thermoplastics) …

Theoretical study of TiO2 based UV–VIS spectrometer gratings for assessment of skin lesions in localized scleroderma

A Ravindran, D Nirmal, KP Pinkymol, P Prajoon… - Optik, 2022 - Elsevier
Abstract Objective Reflectance Spectroscopy is a helpful device to evaluate the seriousness
of hyperpigmentation and erythema in Local scleroderma lesions. This article highlight the …

Surface Aligned Liquid Crystals on Micropatterned Polyimide Relief Structures

TA Moorhouse - 2024 - etheses.whiterose.ac.uk
The combination of nematic liquid crystals (LCs) and topographically patterned surfaces has
enabled the development of a broad range of functional optoelectronic devices, such as …