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- Afua Dodoo, Sukhvinder S. Bansal, +5 authors Christopher Marriott
- Journal of pharmaceutical sciences
- 2000

The apparent permeability coefficient (P(app)) of two fluorescently tagged model hydrophilic peptides, acXASNH(2) and acXAS(GAS)(7)NH(2), and (14)C-mannitol across monolayers of cultured rat alveolar epithelial cells of varying transepithelial electrical resistance (TER) has been examined. In line with their design features, the peptides were not degraded… (More)

- Christian R. Rosberg, Francis H. Bennet, +5 authors Yuri S Kivshar
- Optics express
- 2007

We suggest and demonstrate a novel platform for the study of tunable nonlinear light propagation in two-dimensional discrete systems, based on photonic crystal fibers filled with high index nonlinear liquids. Using the infiltrated cladding region of a photonic crystal fiber as a nonlinear waveguide array, we experimentally demonstrate highly tunable beam… (More)

- Francis H. Bennet, Tristram J. Alexander, Franz Haslinger, Arnan Mitchell, Dragomir N Neshev, Yuri S Kivshar
- Physical review letters
- 2011

We demonstrate experimentally the localization of broad optical beams in periodic arrays of optical waveguides with defocusing nonlinearity. This observation in optics is linked to nonlinear self-trapping of Bose-Einstein-condensed atoms in stationary periodic potentials being associated with the generation of truncated nonlinear Bloch states, existing in… (More)

- Per Dalgaard Rasmussen, Francis H. Bennet, +5 authors Yuri S Kivshar
- Optics letters
- 2009

We demonstrate, both theoretically and experimentally, the existence of nonlocal gap solitons in two-dimensional periodic photonic structures with defocusing thermal nonlinearity. We employ liquid-infiltrated photonic crystal fibers and show how the system geometry can modify the effective response of a nonlocal medium and the properties of two-dimensional… (More)

- Francis H. Bennet, I. Price, François J Rigaut, M. Copeland
- 2016

The Research School of Astronomy and Astrophysics at the Mount Stromlo Observatory in Canberra, Australia, have been developing adaptive optic (AO) systems for space situational awareness applications. We report on the development and demonstration of an AO system for satellite imaging using a 1 m telescope. The system uses the orbiting object as a natural… (More)

- Francis H. Bennet, Tristram J. Alexander, Franz Haslinger, Arnan Mitchell, Dragomir N Neshev, Yuri S Kivshar
- CLEO: 2011 - Laser Science to Photonic…
- 2011

We demonstrate experimentally the localization of broad beams in defocusing waveguide arrays. Unlike gap solitons, these novel localized states have an arbitrary width defined by the size of the input beam while independent on nonlinearity.

- Francis H. Bennet, Inés A Amuli, Andrey A Sukhorukov, Wieslaw Z. Krolikowski, Dragomir N Neshev, Yuri S Kivshar
- Optics letters
- 2010

We demonstrate experimentally a transition from nonlinear beam trapping to defocusing in a two-dimensional periodic photonic structures by varying the modulation depth of the lattice. The observed effect illustrates the fundamental crossover from discrete to cw transport mechanisms. At the threshold modulation, the output beam is highly sensitive to… (More)

- Francis H. Bennet, Inés A Amuli, Dragomir N Neshev, Andrey A Sukhorukov, Wieslaw Z. Krolikowski, Yuri S Kivshar
- CLEO/QELS: 2010 Laser Science to Photonic…
- 2010

We demonstrate experimentally the transition of nonlinear beam focusing to defocusing by varying the modulation depth of a periodic system. The observed effect illustrates the fundamental crossover when the periodic system changes properties to homogeneous.

- Francis H. Bennet, C. D’Orgeville, Ivan Price, François J Rigaut, Innes Ritchie, Charmayne Smith
- 2015

Earth’s space environment is becoming crowded and at risk of a Kessler syndrome[1], and will require careful management for the future. Modern low noise high speed detectors allow for wavefront sensing and adaptive optics (AO) in extreme circumstances such as imaging small orbiting bodies in Low Earth Orbit (LEO). The Research School of Astronomy and… (More)

I present here a simplified model of the large scale structure in two dimensions, using a series of matter waves, stationary in time, each originating from a different position and with a slightly different wavelength. The position of each wave is chosen at random. Different methods for producing random numbers are used, and each compared with more advanced… (More)

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