Search Results - "Hands, Philip J. W."
-
1
Increasing the flexoelastic ratio of liquid crystals using highly fluorinated ester-linked bimesogens
Published in Physical chemistry chemical physics : PCCP (21-12-2012)“…We present experimental results on the bulk flexoelectric coefficients e and effective elastic coefficients K of non-symmetric bimesogenic liquid crystals when…”
Get more information
Journal Article -
2
Carrier-free chemo-phototherapeutic nanomedicines with endo/lysosomal escape function enhance the therapeutic effect of drug molecules in tumors
Published in Journal of materials chemistry. B, Materials for biology and medicine (10-07-2024)“…Carrier-free nanomedicines offer advantages of extremely high drug loading capacity (>80%), minimal non-drug constituent burden, and facile preparation…”
Get more information
Journal Article -
3
Micro- and nano-structure based oligonucleotide sensors
Published in Biosensors & bioelectronics (15-06-2015)“…This paper presents a review of micro- and nano-structure based oligonucleotide detection and quantification techniques. The characteristics of such devices…”
Get full text
Journal Article -
4
Nanophotonic Three-Dimensional Microscope
Published in Nano letters (13-07-2011)“…Three-dimensional (3D) optical microscopy based on integral imaging techniques is limited mainly by diffraction effects and the pitch of the microlens array…”
Get full text
Journal Article -
5
Nanocomposite-Based Microstructured Piezoresistive Pressure Sensors for Low-Pressure Measurement Range
Published in Micromachines (Basel) (26-01-2018)“…Piezoresistive pressure sensors capable of detecting ranges of low compressive stresses have been successfully fabricated and characterised. The 5.5 × 5 × 1.6…”
Get full text
Journal Article -
6
Morpholino Oligonucleotide Cross-Linked Hydrogels as Portable Optical Oligonucleotide Biosensors
Published in ACS sensors (25-01-2019)“…Morpholino Oligonucleotides (MOs), an uncharged DNA analogue, are functionalized with an acrylamide moiety and incorporated into polymer hydrogels as…”
Get full text
Journal Article -
7
Liquid crystalline chromophores for photonic band-edge laser devices
Published in Optical materials (01-03-2013)“…► Liquid crystalline chromophores have been synthesized for photonic band-edge laser devices. ► These are bimesogenic compounds consisting of the repeating…”
Get full text
Journal Article -
8
Electrically Switchable Diffraction Grating Using a Hybrid Liquid Crystal and Carbon Nanotube‐Based Nanophotonic Device
Published in Advanced optical materials (01-05-2013)“…A hybrid liquid crystal and carbon nanotube‐based device which shows the capacity to perform as a switchable diffraction grating is demonstrated. A liquid…”
Get full text
Journal Article -
9
High-speed switchable lens enables the development of a volumetric stereoscopic display
Published in Optics express (31-08-2009)“…Stereoscopic displays present different images to the two eyes and thereby create a compelling three-dimensional (3D) sensation. They are being developed for…”
Get full text
Journal Article -
10
Overcoming repetition rate limitations in liquid crystal laser systems
Published in Optics express (01-10-2018)“…Liquid crystal lasers have advantageous features, including continuous wavelength tuning at low cost. Although many potential applications have been…”
Get full text
Journal Article -
11
Paintable band-edge liquid crystal lasers
Published in Optics express (31-01-2011)“…In this paper we demonstrate photonic band-edge laser emission from emulsion-based polymer dispersed liquid crystals. The lasing medium consists of dye-doped…”
Get full text
Journal Article -
12
36‐1: Invited Paper: Liquid‐Crystal Lasers: Recent Advances and Future Opportunities
Published in SID International Symposium Digest of technical papers (01-06-2022)“…Liquid crystal (LC) lasers use a layer of chiral nematic liquid crystal to form a self‐organising resonant cavity. When doped with fluorescent dye and suitably…”
Get full text
Journal Article -
13
Diode pumping of liquid crystal lasers
Published in Optics and laser technology (01-08-2021)“…•Optical excitation of a liquid crystal laser is achieved by a 445 nm laser diode.•Single mode, narrow linewidth liquid crystal laser emission is…”
Get full text
Journal Article -
14
Electrically switchable random to photonic band-edge laser emission in chiral nematic liquid crystals
Published in Applied physics letters (13-02-2012)“…Using a chiral nematic liquid crystal with a negative dielectric anisotropy, it is possible to switch between band-edge laser emission and random laser…”
Get full text
Journal Article -
15
Polychromatic liquid crystal laser arrays towards display applications
Published in Optics express (10-11-2008)“…Band-edge liquid crystal lasers are of interest for a number of applications including laser projection displays. Herein, we demonstrate simultaneous…”
Get full text
Journal Article -
16
Spontaneous induction of the uniform lying helix alignment in bimesogenic liquid crystals for the flexoelectro-optic effect
Published in Applied physics letters (06-02-2012)“…Using in-plane electric fields, the electrical induction of the uniform lying helix (ULH) alignment in chiral nematic liquid crystals is reported. This process…”
Get full text
Journal Article -
17
Design, Manufacture and Testing of Capacitive Pressure Sensors for Low-Pressure Measurement Ranges
Published in Micromachines (Basel) (01-02-2017)“…This article presents the design, manufacture and testing of a capacitive pressure sensor with a high, tunable performance to low compressive loads (<10 kPa)…”
Get full text
Journal Article -
18
Modal liquid crystal devices in optical tweezing: 3D control and oscillating potential wells
Published in Optics express (15-05-2006)“…We investigate the use of liquid crystal (LC) adaptive optics elements to provide full 3 dimensional particle control in an optical tweezer. These devices are…”
Get full text
Journal Article -
19
Liquid Crystals: Electrically Switchable Diffraction Grating Using a Hybrid Liquid Crystal and Carbon Nanotube‐Based Nanophotonic Device (Advanced Optical Materials 5/2013)
Published in Advanced optical materials (01-05-2013)“…T. D. Wilkinson and co‐workers demonstrate a hybrid liquid crystal/carbon nanotube‐based device which shows the capacity to perform as a switchable diffraction…”
Get full text
Journal Article -
20
Metal–polymer composite sensors for volatile organic compounds: Part 1. Flow-through chemi-resistors
Published in Sensors and actuators. B, Chemical (20-02-2012)“…A new type of chemi-resistor based on a novel metal–polymer composite is described. The composite contains nickel particles with sharp nano-scale surface…”
Get full text
Journal Article