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14th June 2017 1200-1230 - Single-photon three-dimensional imaging at up to 10 km range
Dr Agata Pawlikowska, Airborne & Space Systems Division, Senior Systems Engineer – Leonardo MW Ltd
Abstract:Depth and intensity profiling of targets at a range of up to 10 km is demonstrated using time-of-flight time-correlated single-photon counting technique. The system comprised a pulsed laser source at 1550 nm wavelength, a monostatic scanning transceiver and a single element InGaAs/InP single-photon avalanche diode (SPAD) detector. High-resolution three-dimensional
images of various targets acquired over ranges between 800 metres and 10.5 km demonstrate long-range depth and intensity profiling, feature extraction and the potential for
target recognition. Using a total variation restoration optimization algorithm, the acquisition time necessary for each pixel could be reduced by at least a factor of ten compared to a pixel wise image processing approach. Kilometer range depth profiles are reconstructed with average signal returns of less than one photon per pixel.
To view Agata’s talk please follow https://drive.google.com/file/d/0ByNZJGqdc_iYQVpLT01QMkswVWM/view
14th June 2017 1230-1300 : “Multiparametric microendoscopic physiological sensing”
Dr Tushar Choudhary, EPSRC IRC Research Associate, Heriot-Watt University
Abstract:Physiological environments critically regulate many biological processes in health and disease. Even minor perturbations can drastically impact cellular metabolism and tissue viability. As such, eukaryotic and prokaryotic systems have adapted to buffer and respond to fluctuations in pH and oxygen. Despite the presumption of tightly regulated levels of key physiological parameters such as levels of [H+] hydrogen ions and oxygen in health, in many areas of the human body, the environmental physiology is currently unknown due to the paucity of miniaturised clinically compatible technologies.
This talk will cover the development and validation of a fibre based microendoscopic optrode for the accurate, robust and multiplexed optical sensing of pH and oxygen in vivo. The optrode consists of fluorophore loaded silica microspheres sensors selectively deposited at the distal tip of a flexible multicore optical fibre and facilitates unprecedented advantages over other fibre optic physiology sensing platforms through rapid response times and resistance to photobleaching. This microendoscopic optrode could be passed into remote regions of the human body. We demonstrate this in the distal acinar gas exchanging units of the lung, although clearly the platform technology is widely applicable.
To view Tushar’s talk joint this link at 26.58 at the following link https://drive.google.com/file/d/0ByNZJGqdc_iYQVpLT01QMkswVWM/view
12 October 2016 at 14:00 - Mid infrared photonics: route to low cost portable breath analysis sensor for diagnosis/ management of chronic respiratory conditions
Professor Des Gibson
Des Gibson holds a BSc (hons 1st class) physics and a PhD in thin film optics, both from the Queen`s University, N Ireland. He has a thirty year track record in industry, academic based research & development and successful physics based product commercialisation, gained globally with technical and managing director roles within blue chip organizations, small to medium sized companies, start-ups and close associations with academia. He has co-founded four successful physics based technology companies focussing on thin film & sensor technologies. Two most recent are; Gas Sensing Solutions Ltd – co-founded 2006 and a winner of an Institute of Physics Innovation Award 2014 – and Applied Multilayers Ltd, co-founded 2002 and acquired 2010 by Telemark Inc, USA. Motivated by fresh challenges and a desire to focus on research, September 2014 he joined the University of the West of Scotland (UWS) as professor in thin film & sensor technologies and is research director of the Institute of Thin Films, Sensors & Imaging.
Des is a chartered engineer and physicist, Fellow of the Institute of Physics , senior member of the Optical Society of America and a named inventor on eighteen patents with over eighty technical publication and articles in thin films, sensors and optoelectronics. He is principal investigator of a new company spin out from UWS, researching and commercialising a novel miniaturised infrared spectrophotometer.
There is an increasing number of papers in peer-reviewed medical journals relating to a need for widened usage of exhaled breath measurement, including waveform biomarker analysis for diagnosis/ management of respiratory disease conditions. In particular published work has concentrated on the characteristics of these under-used biomarkers in respiratory conditions such as chronic obstructive pulmonary disease (COPD), asthma, congestive heart failure, pulmonary embolism and emphysema. Relevant exhaled biomarkers such as carbon dioxide, nitrous oxide and ammonia have unique mid infrared optical absorption features which can be used to quantify such biomarkers. Measurement is typically based on absorption of infra-red light by the biomarker molecule using an emitter and detector pair matched to the principal gas absorption peaks. This presentation provides an overview of relevant research & development in mid-infrared photonics and application to next generation, low cost and portable breath analysis sensors with a focus on chronic respiratory conditions such as COPD with results from early stage clinical trialing.
30 August 2016 at 12:30 - The Role of Sensing in Bioinspired Soft Systems Engineering
This talk will focus on the challenges and opportunities in analysing, sensing, and controlling the flow of energy in complex systems, and on developing new manufacturing tools and processes for building from soft materials to yield machines with improved dynamics and efficiency. We, along with a growing international community, are developing a new field of multidisciplinary research—bioinspired soft systems engineering. Soft systems combine electronics with robotics; materials-science; and biology. This approach is not predicated on any one discipline but instead combines ideas which are abstracted from nature with experimental science and engineering. In this talk I will highlight the opportunities and challenges for sensing and measurement in this new class of machines.
Precision Measurement Conference - 7 December 2016
A one-day conference was held in the James Watt South Building, University of Glasgow on Wednesday 7th December in collaboration with the College of Science and Engineering of Glasgow University. Please see the event programme for more details.
To View the Conference Speakers and presentations please visit out Youtube site, a full list of speakers and talk titles are available when you click on the information box.
CDT Annual Conference - 9 November 2016
The CDT ISM Annual Conference will take place on Wednesday 9th November in University of Glasgow, Main Building (Gilbert Scott Building), Senate Room. Please see the full programme for more information and slides.