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Outputs (1101)

MOSAIC at the E-ELT: A multi-object spectrograph for astrophysics, IGM and cosmology. (2014)
Presentation / Conference Contribution
Hammer, F., Barbuy, B., Cuby, J., Kaper, L., Morris, S., Evans, C., …Disseau, K. (2014). MOSAIC at the E-ELT: A multi-object spectrograph for astrophysics, IGM and cosmology. . https://doi.org/10.1117/12.2055148

The Universe is comprised of hundreds of billions of galaxies, each populated by hundreds of billions of stars. Astrophysics aims to understand the complexity of this almost incommensurable number of stars, stellar clusters and galaxies, including th... Read More about MOSAIC at the E-ELT: A multi-object spectrograph for astrophysics, IGM and cosmology..

Progress towards building pixelated transformation-optics devices (2015)
Presentation / Conference Contribution
Cowie, E., Bourgenot, C., Robertson, D. J., & Courtial, J. K. (2015). Progress towards building pixelated transformation-optics devices. In Frontiers in Optics 2015. https://doi.org/10.1364/fio.2015.fm3e.5

We report progress in the design and manufacture of micro-structured surfaces that change the direction of transmitted light rays. Such pixellated generalised refraction is general enough to design pixellated transformation-optics devices.

Design and construction of the fibre system for FMOS (2008)
Presentation / Conference Contribution
Murray, G., Dodsworth, G., Content, R., & Tamura, N. (2008). Design and construction of the fibre system for FMOS. In I. S. McLean, & M. M. Casali (Eds.), Ground-based and Airborne Instrumentation for Astronomy II: Marseille, France, June 23, 2008. https://doi.org/10.1117/12.790411

A consortium of Japanese, Australian and UK groups has developed a fibre-fed near IR (J & H band) multi-object spectrographic facility (FMOS) for the Subaru telescope. In this second-generation instrument, a novel prime focus 400-fibre multi-object p... Read More about Design and construction of the fibre system for FMOS.

GPU-based data processing for 2D microwave imaging on MAST (2016)
Presentation / Conference Contribution
Chorley, J., Akers, R., Brunner, K., Dipper, N., Freethy, S., Sharples, R., …Vann, R. (2016). GPU-based data processing for 2D microwave imaging on MAST. . https://doi.org/10.13182/fst15-188

The Synthetic Aperture Microwave Imaging (SAMI) diagnostic is a Mega Amp Spherical Tokamak (MAST) diagnostic based at Culham Centre for Fusion Energy. The acceleration of the SAMI diagnostic data-processing code by a graphics processing unit is prese... Read More about GPU-based data processing for 2D microwave imaging on MAST.

Combining optical trapping in a microfluidic channel with simultaneous micro-Raman spectroscopy and motion detection (2014)
Presentation / Conference Contribution
Lawton, P., Saunter, C., & Girkin, J. (2014). Combining optical trapping in a microfluidic channel with simultaneous micro-Raman spectroscopy and motion detection. In B. L. Gray, & H. Becker (Eds.), Proceedings of SPIE. https://doi.org/10.1117/12.2037022

Since their invention by Ashkin optical tweezers have demonstrated their ability and versatility as a non-invasive tool for micromanipulation. One of the most useful additions to the basic optical tweezers system is micro-Raman spectroscopy, which pe... Read More about Combining optical trapping in a microfluidic channel with simultaneous micro-Raman spectroscopy and motion detection.

Daytime site characterisation of La Palma, and its relation to night-time conditions (2014)
Presentation / Conference Contribution
Townson, M., Kellerer, A., Osborn, J., Butterley, T., Morris, T., & Wilson, R. (2014). Daytime site characterisation of La Palma, and its relation to night-time conditions. In K. . R. Suzanne, I. S. McLean, & H. Takami (Eds.), Ground-based and airborne instrumentation for astronomy V. https://doi.org/10.1117/12.2056451

This paper presents preliminary daytime profiles taken using a Wide-Field Shack-Hartmann Sensor at the Swedish Solar Telescope (SST), La Palma. These are contrasted against Stereo-SCIDAR data from corresponding nights to assess the validity of the as... Read More about Daytime site characterisation of La Palma, and its relation to night-time conditions.

Characterising modal noise in fibre-coupled spectrographs for astronomy (2010)
Presentation / Conference Contribution
Lemke, U., Corbett, J., Allington-Smith, J., & Murray, G. (2010). Characterising modal noise in fibre-coupled spectrographs for astronomy. In E. AtadEttedgui, & D. Lemke (Eds.), Conference on Modern Technologies in Space- and Ground-Based Telescopes and Instrumentation, San Diego, CA, JUN 27-JUL 02, 2010. https://doi.org/10.1117/12.856388

Fibre modal noise occurs in high spectral resolution, high signal-to-noise applications. It imposes fundamental limits upon the photometric accuracy of state-of-the-art fibre-spectrograph systems. In order to maximize the performance of current and f... Read More about Characterising modal noise in fibre-coupled spectrographs for astronomy.

Optical design of optical switches for diverse field spectroscopy (2010)
Presentation / Conference Contribution
Content, R., Murray, G. J., & Allington-Smith, J. R. (2010). Optical design of optical switches for diverse field spectroscopy. In E. AtadEttedgui, & D. Lemke (Eds.), . https://doi.org/10.1117/12.857939

Diverse field spectroscopy is a new concept in which any part of a field can be optically captured and send to the entrance slit of a spectrograph. It is more general than integral field spectroscopy, multi-object spectroscopy and even multi-integral... Read More about Optical design of optical switches for diverse field spectroscopy.

Modelling complex phenomena in optical fibres (2012)
Presentation / Conference Contribution
Allington-Smith, J., Murray, G., & Lemke, U. (2012). Modelling complex phenomena in optical fibres. In I. McLean, S. Ramsay, & H. Takami (Eds.), . https://doi.org/10.1117/12.926010

We present a new model for predicting the performance of fibre systems in the multimode limit. This is based on ray-­‐tracing but includes a semi-­‐empirical description of Focal Ratio Degradation (FRD). We show how FRD is simulated by the model. Wit... Read More about Modelling complex phenomena in optical fibres.

Science requirements and performances for EAGLE for the E-ELT (2010)
Presentation / Conference Contribution
Evans, C., Lehnert, M., Cuby, J. -., Morris, S., Puech, M., Welikala, N., …Schnetler, H. (2010). Science requirements and performances for EAGLE for the E-ELT. In Ground-based and Airborne Instrumentation for Astronomy III. https://doi.org/10.1117/12.856098

EAGLE is a Phase A study of a multi-IFU, near-IR spectrometer for the European Extremely Large Telescope (E-ELT). The design employs wide-field adaptive optics to deliver excellent image quality across a large (38.5 arcmin2) field. When combined with... Read More about Science requirements and performances for EAGLE for the E-ELT.

EAGLE Spectroscopy of Resolved Stellar Populations Beyond the Local Group (2009)
Presentation / Conference Contribution
Evans, C., Yang, Y., Puech, M., Lehnert, M., Barker, M., Ferguson, A., …Flores, H. (2009). EAGLE Spectroscopy of Resolved Stellar Populations Beyond the Local Group. In G. Bruzual, & S. Charlot (Eds.), Proceedings of the International Astronomical Union (299-302). https://doi.org/10.1017/s1743921310002954

We give an overview of the science case for spectroscopy of resolved stellar populations beyond the Local Group with the European Extremely Large Telescope (E-ELT). In particular, we present science simulations undertaken as part of the EAGLE Phase A... Read More about EAGLE Spectroscopy of Resolved Stellar Populations Beyond the Local Group.

The physics of galaxy evolution with EAGLE (2010)
Presentation / Conference Contribution
Puech, M., Lehnert, M., Yang, Y., Cuby, J. -., Morris, S., Evans, C., …Flores, H. (2010). The physics of galaxy evolution with EAGLE. In Y. Clénet, J. -. Conan, T. Fusco, & G. Rousset (Eds.), 1st A04ELT Conference - Adaptive optics for extremely large telescopes : Paris, France, June 22-26, 2009 ; proceedings. https://doi.org/10.1051/ao4elt/201001005

One of the prominent science goal of the ELTs will be to study the physics and mass assembly of galaxies at very high redshifts. Here, we present the galaxy evolution science case for EAGLE, which is a NIR multi-integral field spectrograph for the E-... Read More about The physics of galaxy evolution with EAGLE.

Pushing FORS to the Limit—A New Population of Faint Extended Lyα Emitters at z˜3 (2009)
Presentation / Conference Contribution
Haehnelt, M. G., Rauch, M., Bunker, A., Becker, G., Marleau, F., Graham, J., …Theuns, T. (2009). Pushing FORS to the Limit—A New Population of Faint Extended Lyα Emitters at z˜3. In A. Moorwood (Ed.), Science with the VLT in the ELT Era (23-26). https://doi.org/10.1007/978-1-4020-9190-2_3

We present here the results of an ambitious attempt to push searches for spatially extended emission from damped Lyα absorption sustems (DLAS) and Lyman limit systems (LLS) to fainter surface brightness limits with observations performed in service m... Read More about Pushing FORS to the Limit—A New Population of Faint Extended Lyα Emitters at z˜3.

The CNOC2 Field Galaxy Redshift Survey (1998)
Presentation / Conference Contribution
Yee, H., Sawicki, M., Carlberg, R., Lin, H., Morris, S., Patton, D., …Andersen, J. (1998). The CNOC2 Field Galaxy Redshift Survey. In J. Andersen (Ed.), Highlights of Astronomy: As Presented at the XXIIIrd General Assembly of the IAU, 1997 (460-463). https://doi.org/10.1007/978-94-011-4778-1

Fundamental to the understanding of the universe is the evolution of structures, from galaxies to clusters of galaxies to large-scale sheets and filaments of galaxies and voids. The CNOC2 (Canadian Network for Observational Cosmology) Field Galaxy Re... Read More about The CNOC2 Field Galaxy Redshift Survey.

Galactic Centre science with an ELT (2010)
Presentation / Conference Contribution
Paumard, T., Clénet, Y., Davies, R., Genzel, R., Lehnert, M., Cuby, J. -., …team, T. E. (2010). Galactic Centre science with an ELT. In Y. Clénet, J. -. Conan, T. Fusco, & G. Rousset (Eds.), 1st A04ELT Conference - Adaptive optics for extremely large telescopes : Paris, France, June 22-26, 2009 ; proceedings. https://doi.org/10.1051/ao4elt/201001003

10m-class telescopes such as the VLT and the Keck Telescope have allowed tremendous progress on the understanding of environment of Sgr A*, the supermassive black hole at the Galactic Centre. However, these telescopes and associated instrumentation a... Read More about Galactic Centre science with an ELT.