A new straightforward approach for the rapid prototyping and low cost development of
diffraction gratings for remote chemical gas sensing is presented. Sol gel matrices …

Diffractive optical elements are designed and demonstrated as elemental units in photonic
gas sensors. Diffraction gratings are written on specially designed photosensitive polymers …

We present an optimization study of surface relief grating based sensors for use in optical
remote point sensing. Our study includes the effects of geometrical characteristics of the …

This thesis reports the development and modification of direct ultraviolet (UV) written planar
integrated optical Bragg grating refractometers for detection of gases and vapours. The …

The development of ordered porous nanostructured materials, such as polymeric Bragg
gratings, offers an attractive platform for the encapsulation of chemical and biological …

Holographic gas sensors are of great interest due to their widespread applicability and
potential for high sensitivity, fast response, immunity to electromagnetic interference, and …

A chemical sensor based on a coated long-period grating has been prepared and
characterized. Designer coatings based on polydimethylsiloxane were prepared by the …

Bragg grating sensors are used for real-time analysis of gases or liquids. Complex
processing methods are typically required for the sensor fabrication. A reduction of process …

A diffraction grating of a stimulus-responsive hydrogel was fabricated for the detection of
CO2 with a low detection limit. The hydrogel consisted of dimethylaminopropyl …

We report an integrated optical Bragg grating detector, fabricated using a direct UV-writing
approach, that when coated with a thin-film of a hydrophobic siloxane co-polymer can …