Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Debaditya Choudhury"'
Autor:
Debaditya Choudhury, Duncan K. McNicholl, Audrey Repetti, Itandehui Gris-Sánchez, Shuhui Li, David B. Phillips, Graeme Whyte, Tim A. Birks, Yves Wiaux, Robert R. Thomson
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-9 (2020)
Here, the authors demonstrate a route to high resolution microendoscopy using a multicore fibre with a photonic lantern. They show that distinct multimode patterns of light can be projected from the output of the lantern by individually exciting the
Externí odkaz:
https://doaj.org/article/acc5d014b850451294c4a1f49227fbe9
Autor:
Katjana Ehrlich, Tushar R. Choudhary, Muhammed Ucuncu, Alicia Megia-Fernandez, Kerrianne Harrington, Harry A. C. Wood, Fei Yu, Debaditya Choudhury, Kev Dhaliwal, Mark Bradley, Michael G. Tanner
Publikováno v:
Sensors, Vol 20, Iss 21, p 6115 (2020)
Numerous optodes, with fluorophores as the chemical sensing element and optical fibres for light delivery and collection, have been fabricated for minimally invasive endoscopic measurements of key physiological parameters such as pH. These flexible m
Externí odkaz:
https://doaj.org/article/a929142be96f4c409eac5ff02a437c82
Autor:
Sebabrata Mukherjee, Alexander Spracklen, Debaditya Choudhury, Nathan Goldman, Patrik Öhberg, Erika Andersson, Robert R Thomson
Publikováno v:
New Journal of Physics, Vol 17, Iss 11, p 115002 (2015)
We observe Wannier–Stark (W–S) localization in curved photonic lattices, realized using arrays of evanescently coupled optical waveguides. By correctly tuning the strength of inter-site coupling in the lattice, we observe that W–S states become
Externí odkaz:
https://doaj.org/article/0dd4eef24694421ebbbb011b12942023
Autor:
Debaditya Choudhury, Kerrianne Harrington, Harry A. C. Wood, Alicia Megia-Fernandez, Michael G. Tanner, Muhammed Ucuncu, Tushar R. Choudhary, Fei Yu, K. Dhaliwal, Katjana Ehrlich, Mark Bradley
Publikováno v:
Sensors
Volume 20
Issue 21
Ehrlich, K, Choudhary, T R, Ucuncu, M, Megia-Fernandez, A, Harrington, K, Wood, H A C, Yu, F, Choudhury, D, Dhaliwal, K, Bradley, M & Tanner, M G 2020, ' Time-resolved spectroscopy of fluorescence quenching in optical fibre-based Ph sensors ', Sensors (Switzerland), vol. 20, no. 21, 6115, pp. 1-12 . https://doi.org/10.3390/s20216115
Sensors (Basel, Switzerland)
Sensors, Vol 20, Iss 6115, p 6115 (2020)
Volume 20
Issue 21
Ehrlich, K, Choudhary, T R, Ucuncu, M, Megia-Fernandez, A, Harrington, K, Wood, H A C, Yu, F, Choudhury, D, Dhaliwal, K, Bradley, M & Tanner, M G 2020, ' Time-resolved spectroscopy of fluorescence quenching in optical fibre-based Ph sensors ', Sensors (Switzerland), vol. 20, no. 21, 6115, pp. 1-12 . https://doi.org/10.3390/s20216115
Sensors (Basel, Switzerland)
Sensors, Vol 20, Iss 6115, p 6115 (2020)
Numerous optodes, with fluorophores as the chemical sensing element and optical fibres for light delivery and collection, have been fabricated for minimally invasive endoscopic measurements of key physiological parameters such as pH. These flexible m
Autor:
Tim A. Birks, David B. Phillips, Yves Wiaux, Duncan K. McNicholl, Debaditya Choudhury, Itandehui Gris-Sánchez, Audrey Repetti, Graeme Whyte, Robert R. Thomson, Shuhui Li
Publikováno v:
Birks, T, Choudhury, D, McNicholl, D, Repetti, A, Gris Sanchez, I, Li, S, Phillips, D, Whyte, G, Wiaux, Y & Thomson, R 2020, ' Computational optical imaging with a photonic lantern ', Nature Communications, vol. 11, 5217 . https://doi.org/10.1038/s41467-020-18818-6
Nature Communications
Nature Communications, Vol 11, Iss 1, Pp 1-9 (2020)
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
Nature Communications
Nature Communications, Vol 11, Iss 1, Pp 1-9 (2020)
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
[EN] The thin and flexible nature of optical fibres often makes them the ideal technology to view biological processes in-vivo, but current microendoscopic approaches are limited in spatial resolution. Here, we demonstrate a route to high resolution
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9dc6334da9372a8abef3e8bd7a6ad071
https://purehost.bath.ac.uk/ws/files/212327301/2010_lantern_imaging.pdf
https://purehost.bath.ac.uk/ws/files/212327301/2010_lantern_imaging.pdf
Autor:
Robert R. Thomson, Catarina C. Novo, Debaditya Choudhury, Jonathan D. Shephard, Bartłomiej Siwicki
Publikováno v:
Optics express. 28(17)
Hollow core negative curvature fibres (NCFs) are a relatively new class of microstructured optical fibre with potential applications in areas such as the delivery of high power laser light and gas sensing. For sensing, it is necessary for the measura
Autor:
David B. Phillips, Yves Wiaux, I. Griz-Sanchez, D. K. McNicholl, Robert R. Thomson, Debaditya Choudhury, Tim A. Birks, Audrey Repetti, Graeme Whyte, Shuhui Li
Publikováno v:
14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR 2020).
Photonic lanterns adiabatically couple light between an array of single mode waveguides and a multimode waveguide. We discuss how these devices open up powerful new opportunities in microendoscopy © 2020 The Author(s)
Autor:
K. Dhaliwal, Katjana Ehrlich, Sunay V. Chankeshwara, Michael G. Tanner, Tushar R. Choudhary, Fei Yu, Debaditya Choudhury, Rory R. Duncan, Mark Bradley, Kerrianne Harrington, Adam Marshall, Muhammed Ucuncu, Patricia Zhu, Graham Monro, Alicia Megia-Fernandez, Robert R. Thomson, Harry A. C. Wood
Publikováno v:
Scopus-Elsevier
A flexible miniaturised multiplexed sensing optrode based on fluorescent microspheres attached to multi-core fibre is reported. Photonic measurements of pH and oxygen concentration in the distal alveolar space of a perfused ex vivo lung are performed
Autor:
Adam Marshall, Muhammed Ucuncu, Tushar R. Choudhary, Graham Monro, Kevin Dhaliwal, Robert R. Thomson, Sunay V. Chankeshwara, Rory R. Duncan, Alicia Megia-Fernandez, Fei Yu, Harry A. C. Wood, Mark Bradley, Debaditya Choudhury, Kerrianne Harrington, Patricia Zhu, Michael G. Tanner
Publikováno v:
Scientific Reports, Vol 9, Iss 1, Pp 1-10 (2019)
Choudhary, T R, Tanner, M G, Megia-Fernandez, A, Harrington, K, Wood, H A, Marshall, A, Zhu, P, Chankeshwara, S V, Choudhury, D, Monro, G, Ucuncu, M, Yu, F, Duncan, R R, Thomson, R R, Dhaliwal, K & Bradley, M 2019, ' High fidelity fibre-based physiological sensing deep in tissue ', Scientific Reports . https://doi.org/10.1038/s41598-019-44077-7
Scientific Reports
Choudhary, T R, Tanner, M G, Megia-Fernandez, A, Harrington, K, Wood, H A, Marshall, A, Zhu, P, Chankeshwara, S V, Choudhury, D, Monro, G, Ucuncu, M, Yu, F, Duncan, R R, Thomson, R R, Dhaliwal, K & Bradley, M 2019, ' High fidelity fibre-based physiological sensing deep in tissue ', Scientific Reports . https://doi.org/10.1038/s41598-019-44077-7
Scientific Reports
Physiological sensing deep in tissue remains a clinical challenge. Here a flexible miniaturised sensing optrode providing a platform to perform minimally invasive in vivo in situ measurements is reported. Silica microspheres covalently coupled with a
Autor:
Colin Campbell, Bethany Mills, Robert R. Thomson, Debaditya Choudhury, Kevin Dhaliwal, Fei Yu, Tim A. Birks, Thomas H. Craven, Tushar R. Choudhary, Sohan Seth, Mark Bradley, James M. Stone, Michael G. Tanner, Sarah McAughtrie, Christopher Williams, Ioulia K. Mati
Publikováno v:
Choudhury, D, Tanner, M G, McAughtrie, S, Yu, F, Mills, B, Choudhary, T R, Seth, S, Craven, T H, Stone, J M, Mati, I K, Campbell, C J, Bradley, M, Williams, C K I, Dhaliwal, K, Birks, T A & Thomson, R R 2019, ' Endoscopic sensing of distal lung physiology ', Journal of Physics: Conference Series, vol. 1151, 012009 . https://doi.org/10.1088/1742-6596/1151/1/012009
The alveolar space forms the distal end of the respiratory tract where chemoreceptor driven gas exchange processes occur. In healthy humans, the physiological state within the alveoli is tightly regulated by normal homeostatic mechanisms. However, pu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ada33dc4a6b16cd25a621cf750d4ea5
https://www.pure.ed.ac.uk/ws/files/84242510/Endoscopic_sensing_of_distal_CHOUDHURY_DoA261119_VoR_CC_BY.pdf
https://www.pure.ed.ac.uk/ws/files/84242510/Endoscopic_sensing_of_distal_CHOUDHURY_DoA261119_VoR_CC_BY.pdf