An infusion of new blood using the Toptica laser with GeMS: Results of the commissioning and science performance

Gaetano Sivo*, Eduardo Marin, François Rigaut, Marcos Van Dam, Vincent Garrel, Benoit Neichel, Cristian Moreno, Emmanuel Chirre, Constanza Araujo, Allen Hankla, Gabriel Perez, Pablo Diaz, Angelic Ebbers, Paul Collins, Vicente Vergara, Paul Hirst, Morten Andersen, Joy Chavez, Lindsay Magill, Christine CunninghamAriel Lopez, Jeff Donahue, Rodrigo Carrasco, Gianluca Lombardi, Vanessa Montes, Michiel Van Der Hoeven, René Rutten, Scot Kleinman, Manuel Lazo

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    3 Citations (Scopus)


    Adaptive Optics (AO) systems aim at detecting and correcting for optical distortions induced by atmospheric turbulences. The Gemini Multi Conjugated AO System GeMS is operational and regularly used for science observations since 2013 delivering close to diffraction limit resolution over a large field of view. GeMS entered this year into a new era. The laser system has been upgraded from the old 50W Lockheed Martin Coherent Technologies (LMCT) pulsed laser to the Toptica 20/2W CW SodiumStar laser. The laser has been successfully commissioned and is now used regularly in operation. In this paper we first review the performance obtained with the instrument. I will go then into the details of the commissioning of the Toptica laser and show the improvements obtained in term of acquisition, stability, reliability and performance.

    Original languageEnglish
    Title of host publicationAdaptive Optics Systems VI
    EditorsDirk Schmidt, Laura Schreiber, Laird M. Close
    ISBN (Print)9781510619593
    Publication statusPublished - 2018
    EventAdaptive Optics Systems VI 2018 - Austin, United States
    Duration: 10 Jun 201815 Jun 2018

    Publication series

    NameProceedings of SPIE - The International Society for Optical Engineering
    ISSN (Print)0277-786X
    ISSN (Electronic)1996-756X


    ConferenceAdaptive Optics Systems VI 2018
    Country/TerritoryUnited States


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