Overview of liquid crystal biosensors: From basic theory to advanced applications

R Qu, G Li - Biosensors, 2022 - mdpi.com
Liquid crystals (LCs), as the remarkable optical materials possessing stimuli-responsive
property and optical modulation property simultaneously, have been utilized to fabricate a …

Markedly improved performance of optically pumped organic lasers with two-dimensional distributed-feedback gratings

CAM Senevirathne, ASD Sandanayaka… - ACS …, 2021 - ACS Publications
Continuous-wave (CW) lasing is still difficult to realize in organic laser dyes, one reason
being the thermal degradation caused by intense photoexcitation. A decrease in laser …

A solvatochromic AIE tetrahydro [5] helicene derivative as fluorescent probes for water in organic solvents and highly sensitive sensors for glyceryl monostearate

L Cai, X Sun, W He, R Hu, B Liu, J Shen - Talanta, 2020 - Elsevier
In this paper, a tetrahydro [5] helicene-based imide dye with thienyl group (THID) was
studied on its solvatochromism and aggregation-induced emission (AIE) properties by …

Photoaligned chiral liquid crystal grating with hysteresis switching

I Nys, B Berteloot, K Neyts - Advanced Optical Materials, 2022 - Wiley Online Library
Metastable topological states are known to arise when chiral liquid crystal (CLC) is infiltrated
in a geometry with strong confinement. This study demonstrates an alternative approach to …

Low threshold random lasing in dye-doped and strongly disordered chiral liquid crystals

S Gao, J Wang, W Li, X Yu, X Zhang, X Song… - Photonics …, 2020 - opg.optica.org
Random lasing was experimentally investigated in pyrromethene 597-doped strongly
disordered chiral liquid crystals (CLCs) composed of the nematic liquid crystal SLC1717 and …

Lasing chirality control of thin-film defect-mode lasers based on cholesteric liquid crystal polymer mirrors

HC Jau, TM Feng, YJ Ke, CT Wang… - Optical Materials Express, 2023 - opg.optica.org
This work investigates the emission chirality of a chiral distributed Bragg reflector (DBR)
laser, which is composed by incorporating an isotropic medium containing laser dye …

The enhancement and regulation of lasing in dye-doped multi-layer polymer film systems

B Shi, Y Shen, H Ma, H Lv, S Zhang, X Wang - Optik, 2022 - Elsevier
As a new research hotspot in nano-materials and nano-structures, photoluminescence is
widely used in medical imaging, biosensors, integrated devices and other fields because of …

Cone-shaped emissions in cholesteric liquid crystal lasers: The role of anomalous scattering in photonic structures

CL Folcia, J Ortega, J Etxebarria - ACS Photonics, 2018 - ACS Publications
The out-of-normal emission in cholesteric liquid-crystal lasers is studied experimental and
theoretically. Apart from the well-known dominant laser in the direction of the helix axis …

Electrically induced bistable switching of stop band in chiral nematic photonic crystal

YM Huang, LM Chang, CT Wang - Journal of Molecular Liquids, 2022 - Elsevier
Chiral nematic liquid crystals (CLCs) are highly promising tunable photonic materials that
own various states and exhibit different optical properties in each state. The natural …

Electrically switchable band-edge laser based on polymer-stabilized blue phase liquid crystal

DS Hou, JX Cao, X Li, JL Zhu, WM Han - Liquid Crystals, 2021 - Taylor & Francis
An electrically switchable band-edge laser has been demonstrated in a dye-doped polymer-
stabilised blue phase liquid crystal. The light intensity of the laser can be tuned in three …