MAVIS adaptive optics module optical design

Davide Greggio; Demetrio Magrin; Christian Schwab; Simone Di Filippo; Valentina Viotto; Maria Bergomi; Enrico Pinna; Marco Bonaglia; Guido Agapito; Thierry Fusco; Benoit Neichel; François Rigaut; Stefan Ströbele; Matteo Aliverti; Bernard Delabre; Nicholas Herrald; Kalyan Radhakrishnan; Luca Marafatto

doi:10.1117/12.2561534

MAVIS adaptive optics module optical design

Davide Greggio^*, Demetrio Magrin, Christian Schwab, Simone Di Filippo, Valentina Viotto, Maria Bergomi, Enrico Pinna, Marco Bonaglia, Guido Agapito, Thierry Fusco, Benoit Neichel, François Rigaut, Stefan Ströbele, Matteo Aliverti, Bernard Delabre, Nicholas Herrald, Kalyan Radhakrishnan, Luca Marafatto

^*Corresponding author for this work

Department of Physics and Astronomy

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution

Abstract

The MCAO Assisted Visible Imager and Spectrograph (MAVIS), is a new instrument for ESO's Very Large Telescope. The instrument will be installed at the Nasmyth focus of the UT4 telescope and is comprised of an imager and a spectrograph which will take advantage of the unprecedented angular resolution and sky coverage provided by LGS assisted MCAO correction at visible wavelengths. The Adaptive Optics Module (AOM) is the core engine of MAVIS, devoted to multi-conjugate wavefront sensing and correction, and designed to deliver a 30×30 arcsec² corrected field of view to the scientific instruments. In this paper we focus on the optical design of the AOM, which has been optimized to perform several tasks including field de-rotation, atmospheric dispersion correction, and adaptive optics closed-loop operations. To maximize sky coverage, the system is designed to deliver a 2 arcmin field of view for the selection of up to 3 NGS for measurement of tip-tilt. The AOM module also includes a multiple LGS WFS for high-order wavefront measurements and two post-focal DMs for wide field turbulence compensation. The proposed design is the result of a trade-off study in which particular care has been devoted to satisfy performance and operational requirements, as well as modularity. We present here a complete description of the selected optical configuration with a summary of the performance analyses.

Original language	English
Title of host publication	Adaptive Optics Systems VII
Editors	Laura Schreiber, Dirk Schmidt, Elise Vernet
Place of Publication	Bellingham, Washington
Publisher	SPIE
Number of pages	10
ISBN (Electronic)	9781510636842
ISBN (Print)	9781510636835
DOIs	https://doi.org/10.1117/12.2561534
Publication status	Published - 13 Dec 2020
Event	Adaptive Optics Systems VII 2020 - Virtual, Online, United States Duration: 14 Dec 2020 → 22 Dec 2020

Publication series

Name	Proceedings of SPIE
Publisher	SPIE
Volume	11448
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Conference

Conference	Adaptive Optics Systems VII 2020
Country	United States
City	Virtual, Online
Period	14/12/20 → 22/12/20

Keywords

Adaptive optics
Adaptive optics module
MAVIS
MCAO
Optical design
Optical relay
Performance analysis

Access to Document

10.1117/12.2561534

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Greggio, Davide ; Magrin, Demetrio ; Schwab, Christian ; Di Filippo, Simone ; Viotto, Valentina ; Bergomi, Maria ; Pinna, Enrico ; Bonaglia, Marco ; Agapito, Guido ; Fusco, Thierry ; Neichel, Benoit ; Rigaut, François ; Ströbele, Stefan ; Aliverti, Matteo ; Delabre, Bernard ; Herrald, Nicholas ; Radhakrishnan, Kalyan ; Marafatto, Luca. / MAVIS adaptive optics module optical design. Adaptive Optics Systems VII. editor / Laura Schreiber ; Dirk Schmidt ; Elise Vernet. Bellingham, Washington : SPIE, 2020. (Proceedings of SPIE).

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title = "MAVIS adaptive optics module optical design",

abstract = "The MCAO Assisted Visible Imager and Spectrograph (MAVIS), is a new instrument for ESO's Very Large Telescope. The instrument will be installed at the Nasmyth focus of the UT4 telescope and is comprised of an imager and a spectrograph which will take advantage of the unprecedented angular resolution and sky coverage provided by LGS assisted MCAO correction at visible wavelengths. The Adaptive Optics Module (AOM) is the core engine of MAVIS, devoted to multi-conjugate wavefront sensing and correction, and designed to deliver a 30×30 arcsec2 corrected field of view to the scientific instruments. In this paper we focus on the optical design of the AOM, which has been optimized to perform several tasks including field de-rotation, atmospheric dispersion correction, and adaptive optics closed-loop operations. To maximize sky coverage, the system is designed to deliver a 2 arcmin field of view for the selection of up to 3 NGS for measurement of tip-tilt. The AOM module also includes a multiple LGS WFS for high-order wavefront measurements and two post-focal DMs for wide field turbulence compensation. The proposed design is the result of a trade-off study in which particular care has been devoted to satisfy performance and operational requirements, as well as modularity. We present here a complete description of the selected optical configuration with a summary of the performance analyses.",

keywords = "Adaptive optics, Adaptive optics module, MAVIS, MCAO, Optical design, Optical relay, Performance analysis",

author = "Davide Greggio and Demetrio Magrin and Christian Schwab and {Di Filippo}, Simone and Valentina Viotto and Maria Bergomi and Enrico Pinna and Marco Bonaglia and Guido Agapito and Thierry Fusco and Benoit Neichel and Fran{\cc}ois Rigaut and Stefan Str{\"o}bele and Matteo Aliverti and Bernard Delabre and Nicholas Herrald and Kalyan Radhakrishnan and Luca Marafatto",

year = "2020",

month = "12",

day = "13",

doi = "10.1117/12.2561534",

language = "English",

isbn = "9781510636835",

series = "Proceedings of SPIE",

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editor = "Laura Schreiber and Dirk Schmidt and Elise Vernet",

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Greggio, D, Magrin, D, Schwab, C, Di Filippo, S, Viotto, V, Bergomi, M, Pinna, E, Bonaglia, M, Agapito, G, Fusco, T, Neichel, B, Rigaut, F, Ströbele, S, Aliverti, M, Delabre, B, Herrald, N, Radhakrishnan, K & Marafatto, L 2020, MAVIS adaptive optics module optical design. in L Schreiber, D Schmidt & E Vernet (eds), Adaptive Optics Systems VII., 114486W, Proceedings of SPIE, vol. 11448, SPIE, Bellingham, Washington, Adaptive Optics Systems VII 2020, Virtual, Online, United States, 14/12/20. https://doi.org/10.1117/12.2561534

MAVIS adaptive optics module optical design. / Greggio, Davide; Magrin, Demetrio; Schwab, Christian; Di Filippo, Simone; Viotto, Valentina; Bergomi, Maria; Pinna, Enrico; Bonaglia, Marco; Agapito, Guido; Fusco, Thierry; Neichel, Benoit; Rigaut, François; Ströbele, Stefan; Aliverti, Matteo; Delabre, Bernard; Herrald, Nicholas; Radhakrishnan, Kalyan; Marafatto, Luca.

Adaptive Optics Systems VII. ed. / Laura Schreiber; Dirk Schmidt; Elise Vernet. Bellingham, Washington : SPIE, 2020. 114486W (Proceedings of SPIE; Vol. 11448).

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution

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AU - Greggio, Davide

AU - Magrin, Demetrio

AU - Schwab, Christian

AU - Di Filippo, Simone

AU - Viotto, Valentina

AU - Bergomi, Maria

AU - Pinna, Enrico

AU - Bonaglia, Marco

AU - Agapito, Guido

AU - Fusco, Thierry

AU - Neichel, Benoit

AU - Rigaut, François

AU - Ströbele, Stefan

AU - Aliverti, Matteo

AU - Delabre, Bernard

AU - Herrald, Nicholas

AU - Radhakrishnan, Kalyan

AU - Marafatto, Luca

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N2 - The MCAO Assisted Visible Imager and Spectrograph (MAVIS), is a new instrument for ESO's Very Large Telescope. The instrument will be installed at the Nasmyth focus of the UT4 telescope and is comprised of an imager and a spectrograph which will take advantage of the unprecedented angular resolution and sky coverage provided by LGS assisted MCAO correction at visible wavelengths. The Adaptive Optics Module (AOM) is the core engine of MAVIS, devoted to multi-conjugate wavefront sensing and correction, and designed to deliver a 30×30 arcsec2 corrected field of view to the scientific instruments. In this paper we focus on the optical design of the AOM, which has been optimized to perform several tasks including field de-rotation, atmospheric dispersion correction, and adaptive optics closed-loop operations. To maximize sky coverage, the system is designed to deliver a 2 arcmin field of view for the selection of up to 3 NGS for measurement of tip-tilt. The AOM module also includes a multiple LGS WFS for high-order wavefront measurements and two post-focal DMs for wide field turbulence compensation. The proposed design is the result of a trade-off study in which particular care has been devoted to satisfy performance and operational requirements, as well as modularity. We present here a complete description of the selected optical configuration with a summary of the performance analyses.

AB - The MCAO Assisted Visible Imager and Spectrograph (MAVIS), is a new instrument for ESO's Very Large Telescope. The instrument will be installed at the Nasmyth focus of the UT4 telescope and is comprised of an imager and a spectrograph which will take advantage of the unprecedented angular resolution and sky coverage provided by LGS assisted MCAO correction at visible wavelengths. The Adaptive Optics Module (AOM) is the core engine of MAVIS, devoted to multi-conjugate wavefront sensing and correction, and designed to deliver a 30×30 arcsec2 corrected field of view to the scientific instruments. In this paper we focus on the optical design of the AOM, which has been optimized to perform several tasks including field de-rotation, atmospheric dispersion correction, and adaptive optics closed-loop operations. To maximize sky coverage, the system is designed to deliver a 2 arcmin field of view for the selection of up to 3 NGS for measurement of tip-tilt. The AOM module also includes a multiple LGS WFS for high-order wavefront measurements and two post-focal DMs for wide field turbulence compensation. The proposed design is the result of a trade-off study in which particular care has been devoted to satisfy performance and operational requirements, as well as modularity. We present here a complete description of the selected optical configuration with a summary of the performance analyses.

KW - Adaptive optics

KW - Adaptive optics module

KW - MAVIS

KW - MCAO

KW - Optical design

KW - Optical relay

KW - Performance analysis

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