Professor Radhakrishna Prabhu's Outputs (57)

Design optimization of Cassegrain telescope for remote explosive trace detection. (2017)
Presentation / Conference Contribution
BHAVSAR, K., ESELLER, K.E. and PRABHU, R. 2017. Design optimization of Cassegrain telescope for remote explosive trace detection. In Bourma, H., Carlysle-Davies, F., Stokes, R.J. and Yitzhaky, Y. (eds.) Proceedings of the 1st Counterterrorism, crime fighting, forensics and surveillance technologies conference 2017: co-located with the Society of Photo-optical Instrumentation Engineers (SPIE) Security and defence 2017 conference, 11-12 September 2017, Warsaw, Poland. Proceedings of SPIE, 10441. Bellingham, WA: SPIE [online], article number 1044103. Available from: https://doi.org/10.1117/12.2277932

The past three years have seen a global increase in explosive-based terror attacks. The widespread use of improvised explosives and anti-personnel landmines have caused thousands of civilian casualties across the world. Current scenario of globalized... Read More about Design optimization of Cassegrain telescope for remote explosive trace detection..

Banknote authentication using chaotic elements technology. (2017)
Presentation / Conference Contribution
AMBADIYIL, S., KRISHNENDU, P.S., PILLAI, V.P.M. and PRABHU, R. 2017. Banknote authentication using chaotic elements technology. In Bourma, H., Carlysle-Davies, F., Stokes, R.J. and Yitzhaky, Y. (eds.) Proceedings of the 1st Counterterrorism, crime fighting, forensics and surveillance technologies conference 2017: co-located with the Society of Photo-optical Instrumentation Engineers (SPIE) Security and defence 2017 conference, 11-12 September 2017, Warsaw, Poland. Proceedings of SPIE, 10441. Bellingham, WA: SPIE [online], article number 1044104. Available from: https://doi.org/10.1117/12.2278343

The counterfeit banknote is a growing threat to the society since the advancements in the field of computers, scanners and photocopiers, as they have made the duplication process for banknote much simpler. The fake note detection systems developed so... Read More about Banknote authentication using chaotic elements technology..

Energy efficient operation of photocatalytic reactors based on UV LEDs for pollution remediation in water. (2017)
Presentation / Conference Contribution
PRABHU, R., HEWITT, F., GEORGIEVA, G., MEENAKSHI, H.N., LAWTON, L.A. and ROBERTSON, P.K.J. 2017. Energy efficient operation of photocatalytic reactors based on UV LEDs for pollution remediation in water. In Proceedings of OCEANS 2017, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article number 8085011, pages 2623-2627. Available from: https://doi.org/10.1109/OCEANSE.2017.8085011

Photocatalytic technology using TiO2 is one of the emerging approaches for water treatment, especially as a final step to remove complex organics such as pesticides, hormones or humic acids. Titanium dioxide (TiO2) is a semiconductor material with st... Read More about Energy efficient operation of photocatalytic reactors based on UV LEDs for pollution remediation in water..

Design of a smart security registration plate for seagoing motorized non-mechanical crafts. (2017)
Presentation / Conference Contribution
AMABDIYIL, S., JOSE, S., PILLAI, V.P.M. and PRABHU, R. 2017. Design of a smart security registration plate for seagoing motorized non-mechanical crafts. In Proceedings of OCEANS 2017, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article number 8084868, pages 1755-1761. Available from: https://doi.org/10.1109/OCEANSE.2017.8084868

Unauthorized and uncertified small seagoing fishing crafts are being widely used for illegal, unreported and unregulated fishing, especially in the Indian sub-continent. Nevertheless, the registration is mandatory; the display of the registration mar... Read More about Design of a smart security registration plate for seagoing motorized non-mechanical crafts..

Theoretical design and analysis of a sensing system for high pressure and temperature measurement in subsea underwater applications. (2017)
Presentation / Conference Contribution
AMOS, S., PRABHU, R. and NJUGUNA, J. 2017. Theoretical design and analysis of a sensing system for high pressure and temperature measurement in subsea underwater applications. In Proceedings of OCEANS 2017, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article number 8085023, pages 2680-2686. Available from: https://doi.org/10.1109/OCEANSE.2017.8085023

The theoretical design and analysis of a metal coated hybrid sensing system of Fibre Bragg Grating (FBG) and Extrinsic Fabry-Perot Interferometer (EFPI) cavity for high pressure high temperature (HPHT) measurement in subsea underwater applications is... Read More about Theoretical design and analysis of a sensing system for high pressure and temperature measurement in subsea underwater applications..

Integrated self-healing of the composite offshore structures. (2017)
Presentation / Conference Contribution
GUPTA, R., PANCHOLI, K., PRABHU, R., PANCHOLI, M., HUO, D., JHA, V. and LATTO, J. 2017. Integrated self-healing of the composite offshore structures. In Proceedings of OCEANS 2017, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article number 8084828, pages 1514-1517. Available from: https://doi.org/10.1109/OCEANSE.2017.8084828

The self-repairing composite materials integrated with sensing is way forward to reduce maintenance cost and increase consumer safety. In this work, the novel self-healing carbon fibre reinforced unidirectional bulk tape of simple architecture is pre... Read More about Integrated self-healing of the composite offshore structures..

Fibre optic sensor to detect heavy metal pollutants in water environments. (2017)
Presentation / Conference Contribution
BHAVSAR, K., HURSTON, E., PRABHU, R. and JOSEPH, G.P. 2017. Fibre optic sensor to detect heavy metal pollutants in water environments. In Proceedings of OCEANS 2017, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article number 8084982, pages 2441-2444. Available from: https://doi.org/10.1109/OCEANSE.2017.8084982

Heavy metal ion pollution emerges as a potential threat to humankind and the ecosystem due to their increased spreading into the environment. Detection of highly toxic heavy metal ions requires rapid, simple, sensitive and selective detection methods... Read More about Fibre optic sensor to detect heavy metal pollutants in water environments..

Design of optical fibre based highly sensitive acoustic sensor for underwater applications. (2017)
Presentation / Conference Contribution
JOHNY, J., SMITH, T., BHAVSAR, K. and PRABHU, R. 2017. Design of optical fibre based highly sensitive acoustic sensor for underwater applications. In Proceedings of OCEANS 2017, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article number 8084974, pages 2393-2397. Available from: https://doi.org/10.1109/OCEANSE.2017.8084974

Fibre optic sensing is a key technology for a variety of underwater sensing and monitoring applications. Fibre optic acoustic sensors are mainly based on interferometric detection approach where the acoustic pressure-induced phase shift of light has... Read More about Design of optical fibre based highly sensitive acoustic sensor for underwater applications..

Theoretical investigation of positional influence of FBG sensors for structural health monitoring of offshore structures. (2017)
Presentation / Conference Contribution
JOHNY, J., SUMMERS, J., BHAVSAR, K., JOSEPH, G.P., FUNG, W.-K. and PRABHU, R. 2017. Theoretical investigation of positional influence of FBG sensors for structural health monitoring of offshore structures. In Proceedings of OCEANS 2017, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article number 8084976, pages 2406-2410. Available from: https://doi.org/10.1109/OCEANSE.2017.8084976

Fibre Bragg Grating (FBG) is a key technology for condition monitoring of different offshore oil and gas structures. FBG sensors are used to sense different physical parameters such as strain, temperature, vibration, etc. This paper investigates the... Read More about Theoretical investigation of positional influence of FBG sensors for structural health monitoring of offshore structures..

Synthesis, structural and morphological property of BaSnO3 nanopowder prepared by solid state ceramic method. (2017)
Presentation / Conference Contribution
JOHN, J., PILLAI, V.P.M., THOMAS, A.R., PHILIP, R., JOSEPH, J., MUTHUNATESAN, S., RAGAVENDRAN, V. and PRABHU, R. 2016. Synthesis, structural and morphological property of BaSnO3 nanopowder prepared by solid state ceramic method. IOP conference series: materials science and engineering [online], 195: proceedings of the 3rd International conference on structural nano composites (NANOSTRUC 2016), 12-16 September 2016, Aberdeen, UK, article number 012007. Available from: https://doi.org/10.1088/1757-899X/195/1/012007

BaSnO3 is a cubic perovskite-type oxide that behaves as an n-type semiconductor with a wide band gap of 3.4 eV and remains stable at temperatures up to 1000{deg}C. It has wide applications such as thermally stable capacitors, humidity sensors, gas se... Read More about Synthesis, structural and morphological property of BaSnO3 nanopowder prepared by solid state ceramic method..

Computational study of nanostructured composite materials for photonic crystal fibre sensors. (2017)
Presentation / Conference Contribution
JOHNY, J., PRABHU, R. and FUNG, W.-K. 2016. Computational study of nanostructured composite materials for photonic crystal fibre sensors. IOP conference series: materials science and engineering [online], 195: proceedings of the 3rd International conference on structural nano composites (NANOSTRUC 2016), 12-16 September 2016, Aberdeen, UK, article number 012012. Available from: https://doi.org/10.1088/1757-899X/195/1/012012

Photonic Crystal Fibres (PCFs) developed using nanostructured composite materials provides special optical properties which can revolutionise current optical sensing technologies. The modal and propagation characteristics of the PCF can be tailored b... Read More about Computational study of nanostructured composite materials for photonic crystal fibre sensors..

Holographic interferometry for security and forensic applications. (2016)
Presentation / Conference Contribution
AMBADIYIL, S., SREELEKSHMI, R.C., PILLAI, V.P.M. and PRABHU, R. 2016. Holographic interferometry for security and forensic applications. In Burgess, D., Owen, G., Bouma, H., Carlysle-Davies, F., Stokes, R.J. and Yitzhaky, Y. (eds.) Proceedings of the 12th Optics and photonics for counterterrorims, crime fighting and defence conference 2016: co-located with Society of Photographic Instrumentation Engineers (SPIE) security and defence conference, 26-27 September 2016, Edinburgh, UK. Proceedings of SPIE, 9995. Bellingham: SPIE [online], article ID 999502. Available from: https://doi.org/10.1117/12.2242153

Security holograms having unique 3D images are one of the tools for enhancing the security for product and personnel authentication and anti-counterfeiting. Apart from the high technology that is required, the uniqueness of a 3D object presents a sig... Read More about Holographic interferometry for security and forensic applications..

Investigation of positioning of FBG sensors for smart monitoring of oil and gas subsea structures. (2016)
Presentation / Conference Contribution
JOHNY, J., PRABHU, R., FUNG, W.K. and WATSON, J. 2016. Investigation of positioning of FBG sensors for smart monitoring of oil and gas subsea structures. In Proceedings of the 2016 Marine Technology Society/Institute of Electrical and Electronics Engineers (MTS/IEEE) OCEANS conference: our future is with oceans, 10-13 April 2016, Shanghai, China. Piscataway: IEEE [online], paper ID 7485662. Available from: https://dx.doi.org/10.1109/OCEANSAP.2016.7485662

Condition monitoring of offshore structures is an indispensable task in the oil and gas industry. Fibre Bragg Grating (FBG) is the key technology used down-hole in order to sense different physical parameters such as strain, vibration, etc. This pape... Read More about Investigation of positioning of FBG sensors for smart monitoring of oil and gas subsea structures..

Microstructure encryption and decryption techniques in optical variable and invariable devices in printed documents for security and forensic applications. (2015)
Presentation / Conference Contribution
AMBADIYIL, S., JAYAN, K.G., PRABHU, R. and PILLAI, V.P.M. 2015. Microstructure encryption and decryption techniques in optical variable and invariable devices in printed documents for security and forensic applications. In Baldini, F., Homola, J and Lieberman, R.A. (eds.) Optical sensors 2015: proceedings of 2015 International Society for Optics and Photonics (SPIE) optics and optoelectronics conference, 13-16 April 2015, Prague, Czech Republic. Proceedings of SPIE, 9506. Bellingham, WA: SPIE [online], 9506OI. Available from: https://doi.org/10.1117/12.2179635

Today, document counterfeiting is a global menace because of the advanced technologies available at ever decreasing prices. Instead of eschew the paper documents; applying efficient cost effective security methodologies are the feasible solutions. Th... Read More about Microstructure encryption and decryption techniques in optical variable and invariable devices in printed documents for security and forensic applications..

Ultrasensitive graphene coated SPR sensor for biosensing applications (2015)
Presentation / Conference Contribution
BHAVSAR, K., PRABHU, R. and POLLARD, P. 2015. Ultrasensitive graphene coated SPR sensor for biosensing applications. In Baldini, F., Homola, J and Lieberman, R.A. (eds.) Optical sensors 2015: proceedings of 2015 International Society for Optics and Photonics (SPIE) optics and optoelectronics conference 2015, 13-16 April 2015, Prague, Czech Republic. Proceedings of SPIE, 9506. Bellingham, WA: SPIE [online], article ID 95060U. Available from: https://doi.org/10.1117/12.2179051

Surface plasmon resonance (SPR) is a rapid and sensitive technique used for probing the biomolecular interactions in real time. Several new approaches have been suggested to improve the sensitivity of SPR sensors over the last two decades. Most of th... Read More about Ultrasensitive graphene coated SPR sensor for biosensing applications.

Rheological behaviour of single-phase non-Newtonian polymer solution in complex pore geometry: a simulation approach. (2014)
Presentation / Conference Contribution
IDAHOSA, P., OLUYEMI, G., PRABHU, R. and OYENEYIN, B. 2014. Rheological behaviour of single-phase non-Newtonian polymer solution in complex pore geometry: a simulation approach. In Proceedings of the 2014 COMSOL conference, 17-19 September 2014, Cambridge, UK. Burlington: COMSOL [online], article ID 18685. Available from: https://www.comsol.com/paper/rheological-behaviour-of-single-phase-non-newtonian-polymer-solution-in-complex--18685

One of the most important criteria for evaluating chemical enhanced oil recovery (EOR) processes that use polymers is its rheological behaviour which in turn account for other physical effects of adsorption and resistance factors during polymer-rock... Read More about Rheological behaviour of single-phase non-Newtonian polymer solution in complex pore geometry: a simulation approach..

Development of dithizone based fibre optic evanescent wave sensor for heavy metal ion detection in aqueous environments. (2013)
Presentation / Conference Contribution
BHAVSAR, K., PRABHU, R. and POLLARD, P. 2013. Development of dithizone based fibre optic evanescent wave sensor for heavy metal ion detection in aqueous environments. Journal of physics: conference series [online], 450: proceedings of the 17th Sensors and their applications, 16-18 September 2013, Dubrovnik, Croatia, article 012011. Available from: https://doi.org/10.1088/1742-6596/450/1/012011

Detection of highly toxic heavy metal ions requires rapid, simple, sensitive and selective detection methods in the environment. Optical fibre based sensing facilitates the remote, continuous and in-situ detection approaches in the environment. Herei... Read More about Development of dithizone based fibre optic evanescent wave sensor for heavy metal ion detection in aqueous environments..