High speed determination of laser wavelength using Poincaré descriptors of speckle

by Graham Bruce | Sep 5, 2019 | In Press, Publications

Laura O’Donnell, Kishan Dholakia and Graham D. Bruce https://arxiv.org/abs/1909.00665 Laser speckle can provide a powerful tool that may be used for metrology, for example measurements of the incident laser wavelength with a resolution beyond that which may be...

Optimal compressive multiphoton imaging at depth using single-pixel detection

by Graham Bruce | Jul 16, 2019 | 2019, Publications

Philip Wijesinghe, Adrià Escobet-Montalbán, Mingzhou Chen, Peter R T Munro and Kishan Dholakia https://arxiv.org/abs/1907.02272 Compressive sensing can overcome the Nyquist criterion and record images with a fraction of the usual number of measurements required....

A new twist for materials science: The formation of chiral structures using the angular momentum of light

by Graham Bruce | Jul 5, 2019 | 2019

Takashige Omatsu, Katsuhiko Miyamoto, Kohei Toyoda, Ryuji Morita, Yoshihiko Arita and Kishan Dholakia Advanced Optical Materials 7, 1801672 (2019) doi: 10.1002/adom.201801672 Recent work has shown that irradiation with light possessing orbital angular momentum (OAM)...

Label-free optical hemogram of granulocytes enhanced by artificial neural networks

by Jonathan Nylk | Apr 1, 2019 | 2019

Roopam K. Gupta, Mingzhou Chen, Graeme P. A. Malcolm, Nils Hempler, Kishan Dholakia and Simon J. Powis Optics Express 27(10), 13706-13720 (2019) doi: 10.1364/OE.27.013706 An outstanding challenge for immunology is the classification of immune cells in a label-free...

The dyslexia susceptibility KIAA0319 gene shows a specific expression pattern during zebrafish development supporting a role beyond neuronal migration

by Jonathan Nylk | Apr 1, 2019 | 2019

Monika Gostic, Angela Martinelli, Carl Tucker, Zhengyi Yang, Federico Gasparoli, Kishan Dholakia, Keith Sillar, Javier Tello, and Silvia Paracchini Journal of Comparative Neurology 527, 2634-2643 (2019) doi: 10.1002/cne.24696 Dyslexia is a common neurodevelopmental...

Rapid broadband characterization of scattering medium using hyperspectral imaging

by Jonathan Nylk | Mar 1, 2019 | 2019

Antoine Boniface, Ivan Gusachenko, Kishan Dholakia and Sylvain Gigan Optica 6(3), 274-279 (2019) doi: 10.1364/OPTICA.6.000274 Scattering of a coherent ultrashort pulse of light by a disordered medium results in a complex spatio-temporal speckle pattern. The form of...