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.

CUBES: application of image slicers to reformat the field for two spectral resolving powers (2022)
Conference Proceeding
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)
Conference Proceeding
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.

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.

Phase A AO system design and performance for MOSAIC at the ELT (2018)
Conference Proceeding
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)
Conference Proceeding
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.

Design of freeform diffraction gratings: performance, limitations and potential applications (2018)
Conference Proceeding
Calcines, A., Bourgenot, C., & Sharples, R. M. (2018). Design of freeform diffraction gratings: performance, limitations and potential applications. In R. Navarro, & R. Geyl (Eds.), Proceedings Volume 10706, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III. https://doi.org/10.1117/12.2312125

Spectroscopy is a key technique in astronomy and nowadays most major telescopes include at least one spectrograph in their instrument suite. The dispersive element is one of the most important components and it defines the pupil size, spectral resolu... Read More about Design of freeform diffraction gratings: performance, limitations and potential applications.