Slit device assembly of Prime Focus Spectrograph for Subaru telescope

Antonio Cesar de Oliveira Sr.; Ligia Souza de Oliveira Sr.; James E. Gunn Sr.; Decio Ferreira Sr.; Yuki Moritani Sr.; Lucas Souza Marrara Sr.; Leandro Henrique dos Santos Sr.; Josimar Aparecido Rosa Sr.; Ricardo Luciano Costa Sr.; Rodrigo Pedro de Almeida Jr.; Fabrice Madec Sr.; Kjetil Dohlen Sr.; David Le Mignant Sr.; Naoyuki Tamura Sr.; Naruhisa Takato Sr.; Laerte Sodré Junior Sr.; Bruno Castilho Sr.; Jesulino Bispo dos Santos Sr.

doi:10.1117/12.2312197

9 July 2018 Slit device assembly of Prime Focus Spectrograph for Subaru telescope

Antonio Cesar de Oliveira Sr., Ligia Souza de Oliveira Sr., James E. Gunn Sr., Decio Ferreira Sr., Yuki Moritani Sr., Lucas Souza Marrara Sr., Leandro Henrique dos Santos Sr., Josimar Aparecido Rosa Sr., Ricardo Luciano Costa Sr., Rodrigo Pedro de Almeida Jr., Fabrice Madec Sr., Kjetil Dohlen Sr., David Le Mignant Sr., Naoyuki Tamura Sr., Naruhisa Takato Sr., Laerte Sodré Junior Sr., Bruno Castilho Sr., Jesulino Bispo dos Santos Sr.

Author Affiliations +

Proceedings Volume 10702, Ground-based and Airborne Instrumentation for Astronomy VII; 107027Q (2018) https://doi.org/10.1117/12.2312197
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

The Fiber Optic Cable and Connector System, FOCCoS, is a set of optical cables to feed the Prime Focus Spectrograph, PFS, for Subaru telescope [01,02]. The extremity responsible for delivering light to spectrographs is called, FCA, Fiber Cable A. Cable A is the cable installed at the Spectrograph side and consists of the Fiber Slit Assembly, FSA, the routing with its support and the Fiber Input Assembly, FIA. FSA is composed of a set of optical fibers arranged linearly on the Slit device and supported by the Frame, protected by segmented tubes and routed between strain relief boxes and the connection interface. FIA is composed by the Connector Bench (Gang Connector) that allow connection with Cable B, at the Subaru Telescope interface, to receive light from Cable C where the fibers end is coupled with microlens. As four Spectrographs are considered for PFS/Subaru, four units of Cable A are necessary. In this paper, we present in details of a complete FCA to be installed in the spectrograph bench. We discuss about the general design, methods used to manufacture the involved devices.

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Antonio Cesar de Oliveira Sr., Ligia Souza de Oliveira Sr., James E. Gunn Sr., Decio Ferreira Sr., Yuki Moritani Sr., Lucas Souza Marrara Sr., Leandro Henrique dos Santos Sr., Josimar Aparecido Rosa Sr., Ricardo Luciano Costa Sr., Rodrigo Pedro de Almeida Jr., Fabrice Madec Sr., Kjetil Dohlen Sr., David Le Mignant Sr., Naoyuki Tamura Sr., Naruhisa Takato Sr., Laerte Sodré Junior Sr., Bruno Castilho Sr., and Jesulino Bispo dos Santos Sr. "Slit device assembly of Prime Focus Spectrograph for Subaru telescope", Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 107027Q (9 July 2018); https://doi.org/10.1117/12.2312197

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KEYWORDS

Connectors

Spectrographs

Optical fibers

Polishing

Composites

Telescopes

Nickel

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