Optical Design of MAAT: an IFU for the GTC OSIRIS Spectrograph

Research output: Contribution to journalConference articlepeer-review

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Optical Design of MAAT : an IFU for the GTC OSIRIS Spectrograph. / Content, Robert; Prada, Francisco; Perez, Enrique; Dominguez-Tagle, Carlos; Abril, Manuela; Gomez, Gabriel; Henriquez, Kilian; Lawrence, Jon; Gonzalez De Rivera, Guillermo; Goobar, Ariel; Hjorth, Jens; Perez Garcia, Angeles; Agnello, Adriano; Jones, David.

In: Proceedings of SPIE, Vol. 12184, 1218465, 29.08.2022.

Research output: Contribution to journalConference articlepeer-review

Harvard

Content, R, Prada, F, Perez, E, Dominguez-Tagle, C, Abril, M, Gomez, G, Henriquez, K, Lawrence, J, Gonzalez De Rivera, G, Goobar, A, Hjorth, J, Perez Garcia, A, Agnello, A & Jones, D 2022, 'Optical Design of MAAT: an IFU for the GTC OSIRIS Spectrograph', Proceedings of SPIE, vol. 12184, 1218465. https://doi.org/10.1117/12.2630717

APA

Content, R., Prada, F., Perez, E., Dominguez-Tagle, C., Abril, M., Gomez, G., Henriquez, K., Lawrence, J., Gonzalez De Rivera, G., Goobar, A., Hjorth, J., Perez Garcia, A., Agnello, A., & Jones, D. (2022). Optical Design of MAAT: an IFU for the GTC OSIRIS Spectrograph. Proceedings of SPIE, 12184, [1218465]. https://doi.org/10.1117/12.2630717

Vancouver

Content R, Prada F, Perez E, Dominguez-Tagle C, Abril M, Gomez G et al. Optical Design of MAAT: an IFU for the GTC OSIRIS Spectrograph. Proceedings of SPIE. 2022 Aug 29;12184. 1218465. https://doi.org/10.1117/12.2630717

Author

Content, Robert ; Prada, Francisco ; Perez, Enrique ; Dominguez-Tagle, Carlos ; Abril, Manuela ; Gomez, Gabriel ; Henriquez, Kilian ; Lawrence, Jon ; Gonzalez De Rivera, Guillermo ; Goobar, Ariel ; Hjorth, Jens ; Perez Garcia, Angeles ; Agnello, Adriano ; Jones, David. / Optical Design of MAAT : an IFU for the GTC OSIRIS Spectrograph. In: Proceedings of SPIE. 2022 ; Vol. 12184.

Bibtex

@inproceedings{4429f071b93c4736bef9e1085863bebe,
title = "Optical Design of MAAT: an IFU for the GTC OSIRIS Spectrograph",
abstract = "The Mirror-slicer Array for Astronomical Transients (MAAT) is a new IFU for the OSIRIS spectrograph on the 10.4-m Gran Telescopio CANARIAS (GTC) at La Palma, spectrograph that has been recently upgraded with a new detector and moved to the Cassegrain focus. Funding has been secured to build MAAT. We present the nearly final design, its expected performances, the different options that were studied, and an analysis of the spectrograph aberrations. MAAT will take advantage of the OSIRIS mask cartridge for multi-object spectroscopy. The IFU will be in a box that will take the place of a few masks. It is based on the Advanced Image Slicer (AIS) concept as are MUSE and KMOS on the VLT (among many others). The field is 10 '' x 7 '' with 23 slices 0.305 '' wide giving a spaxel size of 0.254 '' x 0.305 ''. The wavelength range is 360 nm to 1000 nm. The small space envelope, the maximum weight of the mask holder, and the curvature and tilt of the slit created additional design challenges. The spectral resolution will be about 1.6 times larger than with a standard slit of 0.6 '' because of the smaller size of the slices. All the eleven VPHs and grisms will be available to provide a broad spectral coverage with low to intermediate resolution (R=600 to 4100). To maximize the resolution of a spectrograph designed for a slit twice the width of the slices, we are in the process of measuring the wavefront of the spectrograph aberrations by using 2 out-of-focus masks with pinholes along the slit. We will then correct some of these aberrations with MAAT.",
keywords = "image slicer, integral field unit, OSIRIS spectrograph, GTC, INTEGRAL FIELD SPECTROSCOPY, ADVANCED IMAGE SLICERS, MULTIOBJECT",
author = "Robert Content and Francisco Prada and Enrique Perez and Carlos Dominguez-Tagle and Manuela Abril and Gabriel Gomez and Kilian Henriquez and Jon Lawrence and {Gonzalez De Rivera}, Guillermo and Ariel Goobar and Jens Hjorth and {Perez Garcia}, Angeles and Adriano Agnello and David Jones",
year = "2022",
month = aug,
day = "29",
doi = "10.1117/12.2630717",
language = "English",
volume = "12184",
journal = "Progress in Biomedical Optics and Imaging",
issn = "1605-7422",
publisher = "S P I E - International Society for Optical Engineering",
note = "Conference on Ground-Based and Airborne Instrumentation for Astronomy IX ; Conference date: 17-07-2022 Through 22-07-2022",

}

RIS

TY - GEN

T1 - Optical Design of MAAT

T2 - Conference on Ground-Based and Airborne Instrumentation for Astronomy IX

AU - Content, Robert

AU - Prada, Francisco

AU - Perez, Enrique

AU - Dominguez-Tagle, Carlos

AU - Abril, Manuela

AU - Gomez, Gabriel

AU - Henriquez, Kilian

AU - Lawrence, Jon

AU - Gonzalez De Rivera, Guillermo

AU - Goobar, Ariel

AU - Hjorth, Jens

AU - Perez Garcia, Angeles

AU - Agnello, Adriano

AU - Jones, David

PY - 2022/8/29

Y1 - 2022/8/29

N2 - The Mirror-slicer Array for Astronomical Transients (MAAT) is a new IFU for the OSIRIS spectrograph on the 10.4-m Gran Telescopio CANARIAS (GTC) at La Palma, spectrograph that has been recently upgraded with a new detector and moved to the Cassegrain focus. Funding has been secured to build MAAT. We present the nearly final design, its expected performances, the different options that were studied, and an analysis of the spectrograph aberrations. MAAT will take advantage of the OSIRIS mask cartridge for multi-object spectroscopy. The IFU will be in a box that will take the place of a few masks. It is based on the Advanced Image Slicer (AIS) concept as are MUSE and KMOS on the VLT (among many others). The field is 10 '' x 7 '' with 23 slices 0.305 '' wide giving a spaxel size of 0.254 '' x 0.305 ''. The wavelength range is 360 nm to 1000 nm. The small space envelope, the maximum weight of the mask holder, and the curvature and tilt of the slit created additional design challenges. The spectral resolution will be about 1.6 times larger than with a standard slit of 0.6 '' because of the smaller size of the slices. All the eleven VPHs and grisms will be available to provide a broad spectral coverage with low to intermediate resolution (R=600 to 4100). To maximize the resolution of a spectrograph designed for a slit twice the width of the slices, we are in the process of measuring the wavefront of the spectrograph aberrations by using 2 out-of-focus masks with pinholes along the slit. We will then correct some of these aberrations with MAAT.

AB - The Mirror-slicer Array for Astronomical Transients (MAAT) is a new IFU for the OSIRIS spectrograph on the 10.4-m Gran Telescopio CANARIAS (GTC) at La Palma, spectrograph that has been recently upgraded with a new detector and moved to the Cassegrain focus. Funding has been secured to build MAAT. We present the nearly final design, its expected performances, the different options that were studied, and an analysis of the spectrograph aberrations. MAAT will take advantage of the OSIRIS mask cartridge for multi-object spectroscopy. The IFU will be in a box that will take the place of a few masks. It is based on the Advanced Image Slicer (AIS) concept as are MUSE and KMOS on the VLT (among many others). The field is 10 '' x 7 '' with 23 slices 0.305 '' wide giving a spaxel size of 0.254 '' x 0.305 ''. The wavelength range is 360 nm to 1000 nm. The small space envelope, the maximum weight of the mask holder, and the curvature and tilt of the slit created additional design challenges. The spectral resolution will be about 1.6 times larger than with a standard slit of 0.6 '' because of the smaller size of the slices. All the eleven VPHs and grisms will be available to provide a broad spectral coverage with low to intermediate resolution (R=600 to 4100). To maximize the resolution of a spectrograph designed for a slit twice the width of the slices, we are in the process of measuring the wavefront of the spectrograph aberrations by using 2 out-of-focus masks with pinholes along the slit. We will then correct some of these aberrations with MAAT.

KW - image slicer

KW - integral field unit

KW - OSIRIS spectrograph

KW - GTC

KW - INTEGRAL FIELD SPECTROSCOPY

KW - ADVANCED IMAGE SLICERS

KW - MULTIOBJECT

U2 - 10.1117/12.2630717

DO - 10.1117/12.2630717

M3 - Conference article

VL - 12184

JO - Progress in Biomedical Optics and Imaging

JF - Progress in Biomedical Optics and Imaging

SN - 1605-7422

M1 - 1218465

Y2 - 17 July 2022 through 22 July 2022

ER -

ID: 324553586