All Outputs (43)

Spectral Imager of the Solar Atmosphere: The First Extreme-Ultraviolet Solar Integral Field Spectrograph Using Slicers (2024)
Journal Article
Calcines Rosario, A., Auchère, F., Corso, A. J., Del Zanna, G., Dudík, J., Gissot, S., …Ryan, D. F. (2024). Spectral Imager of the Solar Atmosphere: The First Extreme-Ultraviolet Solar Integral Field Spectrograph Using Slicers. Aerospace, 11(3), Article 208. https://doi.org/10.3390/aerospace11030208

Particle acceleration, and the thermalisation of energetic particles, are fundamental processes across the universe. Whilst the Sun is an excellent object to study this phenomenon, since it is the most energetic particle accelerator in the Solar Syst... Read More about Spectral Imager of the Solar Atmosphere: The First Extreme-Ultraviolet Solar Integral Field Spectrograph Using Slicers.

The Solar Particle Acceleration Radiation and Kinetics (SPARK) Mission Concept (2023)
Journal Article
Reid, H. A. S., Musset, S., Ryan, D. F., Andretta, V., Auchère, F., Baker, D., …Warmuth, A. (2023). The Solar Particle Acceleration Radiation and Kinetics (SPARK) Mission Concept. Aerospace, 10(12), Article 1034. https://doi.org/10.3390/aerospace10121034

Particle acceleration is a fundamental process arising in many astrophysical objects, including active galactic nuclei, black holes, neutron stars, gamma-ray bursts, accretion disks, solar and stellar coronae, and planetary magnetospheres. Its ubiqui... Read More about The Solar Particle Acceleration Radiation and Kinetics (SPARK) Mission Concept.

Optical Design of a Miniaturised Solar Magnetograph for Space Applications (2023)
Journal Article
Calcines Rosario, A., Green, L. M., Smith, A., & Long, D. M. (2023). Optical Design of a Miniaturised Solar Magnetograph for Space Applications. Aerospace, 10(12), Article 1028. https://doi.org/10.3390/aerospace10121028

Measuring the Sun’s magnetic field is a key component of monitoring solar activity and forecasting space weather. The main goal of the research presented in this paper is to investigate the possibility of reducing the dimensions and weight of a solar... Read More about Optical Design of a Miniaturised Solar Magnetograph for Space Applications.

Conceptual Design of an On-Axis 6 m Space Telescope at the Diffraction Limit: Characteristics, Performance and Advantages (2023)
Journal Article
Calcines Rosario, A. (2023). Conceptual Design of an On-Axis 6 m Space Telescope at the Diffraction Limit: Characteristics, Performance and Advantages. Aerospace, 10(12), Article 1003. https://doi.org/10.3390/aerospace10121003

This paper presents the conceptual design of an on-axis 6 metre aperture space telescope designed to cover a field of view of ±0.2 degrees with an optical quality at the diffraction limit within a spectral range between 0.5 μm and 2.5 μm. The plate s... Read More about Conceptual Design of an On-Axis 6 m Space Telescope at the Diffraction Limit: Characteristics, Performance and Advantages.

The European Solar Telescope (2022)
Journal Article
Quintero Noda, C., Schlichenmaier, R., Bellot Rubio, L., Löfdahl, M., Khomenko, E., Jurcak, J., …Team, T. E. (2022). The European Solar Telescope. Astronomy & Astrophysics, 666, Article A21. https://doi.org/10.1051/0004-6361/202243867

The European Solar Telescope (EST) is a project aimed at studying the magnetic connectivity of the solar atmosphere, from the deep photosphere to the upper chromosphere. Its design combines the knowledge and expertise gathered by the European solar p... Read More about The European Solar Telescope.

Design of the VLT-CUBES image slicers: Field re-formatters to provide two spectral resolutions (2022)
Journal Article
Calcines, A., Wells, M., O’Brien, K., Morris, S., Seifert, W., Zanutta, A., …Di Marcantonio, P. (2023). Design of the VLT-CUBES image slicers: Field re-formatters to provide two spectral resolutions. Experimental Astronomy, 55(1), 267-280. https://doi.org/10.1007/s10686-022-09866-5

CUBES is a high efficiency spectrograph designed for a Cassegrain focus of the Very Large Telescope and is expected to be in operation in 2028. It is designed to observe point or compact sources in a spectral range from 300 to 405nm. CUBES will provi... Read More about Design of the VLT-CUBES image slicers: Field re-formatters to provide two spectral resolutions.

Exploring the application of image slicers for the EUV for the next generation of solar space missions (2022)
Presentation / Conference Contribution
Calcines-Rosario, A., Matthews, S., & Reid, H. (2022). Exploring the application of image slicers for the EUV for the next generation of solar space missions. In J. A. den Herder, S. Nikzad, & K. Nakazawa (Eds.), Proceedings Volume 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray; SPIE Astronomical Telescopes + Instrumentation. https://doi.org/10.1117/12.2626860

The Sun is a privileged place to study particle acceleration, a fundamental astrophysical problem throughout the universe. The extreme ultra-violet (EUV) contains a number of narrow emission lines formed in all layers of the solar atmosphere whose pr... Read More about Exploring the application of image slicers for the EUV for the next generation of solar space missions.

CUBES: application of image slicers to reformat the field for two spectral resolving powers (2022)
Presentation / Conference Contribution
Calcines Rosario, A. Z., Wells, M., O’Brien, K. S., Morris, S. L., Seifert, W., Zanutta, A., …Di Marcantonio, P. (2022). CUBES: application of image slicers to reformat the field for two spectral resolving powers. In R. Navarro, & R. Geyl (Eds.), Proceedings Volume 12188, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation V; SPIE Astronomical Telescopes + Instrumentation. https://doi.org/10.1117/12.2626233

The Cassegrain U-Band Efficient Spectrograph (CUBES) is a high-efficiency spectrograph designed for observations from 305 to 400nm. It will be integrated at a Cassegrain focus of the Very Large Telescope (VLT). The image slicer technology is applied... Read More about CUBES: application of image slicers to reformat the field for two spectral resolving powers.

The HR image slicer for GNIRS at Gemini North: optical design and performance (2022)
Presentation / Conference Contribution
Calcines Rosario, A., Dubbeldam, C. M., Sharples, R., Bourgenot, C., Diaz, R., & Stephens, A. W. (2022). The HR image slicer for GNIRS at Gemini North: optical design and performance. In C. J. Evans, J. J. Bryant, & K. Motohara (Eds.), Proceedings Volume 12184, Ground-based and Airborne Instrumentation for Astronomy IX; SPIE Astronomical Telescopes + Instrumentation. https://doi.org/10.1117/12.2626235

GNIRS (Gemini Near-InfraRed Spectrograph) is a multi-function spectrograph at Gemini North telescope offering four observational modes in the spectral range of 0.8 to 5.4 µm. It provides 2-pixel spectral resolutions from 1,200 up to 18,0000 and has s... Read More about The HR image slicer for GNIRS at Gemini North: optical design and performance.

WIVERN: a laboratory experiment for testing novel laser-based wavefront sensing techniques (2022)
Presentation / Conference Contribution
Bharmal, N. A., Bramall, D., Calcines Rosario, A. Z., Morris, T. J., Schmoll, J., & Staykov, L. (2022). WIVERN: a laboratory experiment for testing novel laser-based wavefront sensing techniques. In L. Schreiber, D. Schmidt, & E. Vernet (Eds.), Proceedings Volume 12185, Adaptive Optics Systems VIII; SPIE Astronomical Telescopes + Instrumentation. https://doi.org/10.1117/12.2629888

WIVERN is a testbed for laboratory experiments in laser-based wavefront sensing. It emulates laser uplink from a 4m telescope with 1.6 arcsec seeing and laser back-scattering from up to 20 km. Currently there are three current wavefront sensing capab... Read More about WIVERN: a laboratory experiment for testing novel laser-based wavefront sensing techniques.

CUBES, the Cassegrain U-Band Efficient Spectrograph (2022)
Presentation / Conference Contribution
Cristiani, S., Alcalá, J., Alencar, S., Balashev, S., Bastian, N., Barbuy, B., …Zanutta., A. (2022). CUBES, the Cassegrain U-Band Efficient Spectrograph. In Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX. https://doi.org/10.1117/12.2629990

In the era of Extremely Large Telescopes, the current generation of 8-10m facilities are likely to remain competitive at ground-UV wavelengths for the foreseeable future. The Cassegrain U-Band Efficient Spectrograph (CUBES) has been designed to provi... Read More about CUBES, the Cassegrain U-Band Efficient Spectrograph.

CUBES: a UV spectrograph for the future (2022)
Presentation / Conference Contribution
Covino, S., Cristiani, S., Alcala', J., Alencar, S., Balashev, S., Barbuy, B., …Zins, G. (2022). CUBES: a UV spectrograph for the future. . https://doi.org/10.48550/arxiv.2212.12791

In spite of the advent of extremely large telescopes in the UV/optical/NIR range, the current generation of 8-10m facilities is likely to remain competitive at ground-UV wavelengths for the foreseeable future. The Cassegrain U-Band Efficient Spectrog... Read More about CUBES: a UV spectrograph for the future.

CUBES phase a design overview (2022)
Journal Article
Zanutta, A., Cristiani, S., Atkinson, D., Baldini, V., Balestra, A., Barbuy, B., Macanhan, V. B. P., Calcines, A., Calderone, G., Case, S., Castilho, B. V., Cescutti, G., Cirami, R., Coretti, I., Covino, S., Cupani, G., De Caprio, V., Dekker, H., Di Marcantonio, P., D’Odorico, V., …Zorba, S. (online). CUBES phase a design overview. Experimental Astronomy, https://doi.org/10.1007/s10686-022-09837-w

We present the baseline conceptual design of the Cassegrain U-Band Efficient Spectrograph (CUBES) for the Very Large Telescope. CUBES will provide unprecedented sensitivity for spectroscopy on a 8 – 10 m class telescope in the ground ultraviolet (UV)... Read More about CUBES phase a design overview.

The high-energy Sun - probing the origins of particle acceleration on our nearest star (2021)
Journal Article
Matthews, S., Reid, H., Baker, D., Bloomfield, D., Browning, P., Calcines, A., …Vilmer, N. (2022). The high-energy Sun - probing the origins of particle acceleration on our nearest star. Experimental Astronomy, 54, 335-360. https://doi.org/10.1007/s10686-021-09798-6

As a frequent and energetic particle accelerator, our Sun provides us with an excellent astrophysical laboratory for understanding the fundamental process of particle acceleration. The exploitation of radiative diagnostics from electrons has shown th... Read More about The high-energy Sun - probing the origins of particle acceleration on our nearest star.

Magnetic imaging of the outer solar atmosphere (MImOSA) (2021)
Journal Article
Peter, H., Ballester, E. A., Andretta, V., Auchère, F., Belluzzi, L., Bemporad, A., Berghmans, D., Buchlin, E., Calcines, A., Chitta, L., Dalmasse, K., Alemán, T. D. P., Feller, A., Froment, C., Harrison, R., Janvier, M., Matthews, S., Parenti, S., Przybylski, D., Solanki, S., …Bueno, J. T. (online). Magnetic imaging of the outer solar atmosphere (MImOSA). Experimental Astronomy, https://doi.org/10.1007/s10686-021-09774-0

The magnetic activity of the Sun directly impacts the Earth and human life. Likewise, other stars will have an impact on the habitability of planets orbiting these host stars. Although the magnetic field at the surface of the Sun is reasonably well c... Read More about Magnetic imaging of the outer solar atmosphere (MImOSA).

Development of an 11-channel multi wavelength imaging diagnostic for divertor plasmas in MAST Upgrade (2021)
Journal Article
Feng, X., Calcines, A., Sharples, R., Lipschultz, B., Perek, A., Vijvers, W., …Mumgaard, R. (2021). Development of an 11-channel multi wavelength imaging diagnostic for divertor plasmas in MAST Upgrade. Review of Scientific Instruments, 92(6), Article 063510. https://doi.org/10.1063/5.0043533

Divertor detachment and alternative divertor magnetic geometries are predicted to be promising approaches to handle the power exhaust of future fusion devices. In order to understand the detachment process caused by volumetric losses in alternative d... Read More about Development of an 11-channel multi wavelength imaging diagnostic for divertor plasmas in MAST Upgrade.

Opto-mechanical designs for the HARMONI adaptive optics systems (2018)
Presentation / Conference Contribution
Dohlen, K., Morris, T., Piqueras Lopez, J., Calcines-Rosario, A., Costille, A., Dubbeldam, M., …Thatte, N. (2018). Opto-mechanical designs for the HARMONI adaptive optics systems. In L. M. Close, L. Schreiber, & D. Schmidt (Eds.), Proceedings Volume 10703, Adaptive Optics Systems VI. https://doi.org/10.1117/12.2313651

HARMONI is a visible and near-infrared integral field spectrograph equipped with two complementary adaptive optics systems, fully integrated within the instrument. A Single Conjugate AO (SCAO) system offers high performance for a limited sky coverage... Read More about Opto-mechanical designs for the HARMONI adaptive optics systems.

Phase A AO system design and performance for MOSAIC at the ELT (2018)
Presentation / Conference Contribution
Morris, T., Basden, A., Calcines-Rosario, A., Dohlen, K., Dubbeldam, C., El Hadi, K., …Younger, E. (2018). Phase A AO system design and performance for MOSAIC at the ELT. In L. M. Close, L. Schreiber, & D. Schmidt (Eds.), Proceedings Volume 10703, Adaptive Optics Systems VI. https://doi.org/10.1117/12.2313562

MOSAIC is a mixed-mode multiple object spectrograph planned for the ELT that uses a tiled focal plane to support a variety of observing modes. The MOSAIC AO system uses 4 LGS WFS and up to 4 NGS WFS positioned anywhere within the full 10 arcminute EL... Read More about Phase A AO system design and performance for MOSAIC at the ELT.

New opportunities of freeform gratings using diamond machining (2018)
Presentation / Conference Contribution
Bourgenot, C., Calcines, A., & Sharples, R. M. (2018). New opportunities of freeform gratings using diamond machining. In R. Navarro, & R. Geyl (Eds.), Proceedings Volume 10706, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III. https://doi.org/10.1117/12.2312040

With the recent development of new ultra fine aluminium alloys and progress in the field of directly machined freeform surfaces, diamond machined freeform gratings could play an important part in future spectrographs or integral field units, particul... Read More about New opportunities of freeform gratings using diamond machining.

MOSAIC optical relay module: optical design, performance, and flexure analysis (2018)
Presentation / Conference Contribution
Calcines, A., Dubbeldam, M., Morris, T. J., Fitzsimons, E., Schnetler, H., Cohen, M., & Amans, J. (2018). MOSAIC optical relay module: optical design, performance, and flexure analysis. In C. J. Evans, L. Simard, & H. Takami (Eds.), Proceedings Volume 10702, Ground-based and Airborne Instrumentation for Astronomy VII. https://doi.org/10.1117/12.2313481

The Optical Relay Module of the MOSAIC multiple-object spectrograph is used to relay 400-1800nm light picked off from the ELT focal plane to either a fibre-based integral field unit or a natural guide star wavefront sensor. Here we present the prelim... Read More about MOSAIC optical relay module: optical design, performance, and flexure analysis.