Subaru Night-Sky Spectrograph (SuNSS) – Fiber cable construction

Antonio Cesar de Oliveira; James E. Gunn; Ligia Souza de Oliveira; Lucas Souza Marrara; Leandro Henrique dos Santos; Josimar Aparecido Rosa; Decio Ferreira; Craig Loomis; Robert Lupton; Yuki Moritani; Naruhisa Takato; Naoyuki Tamura

doi:10.1117/12.2629508

Subaru Night-Sky Spectrograph (SuNSS) – Fiber cable construction

Antonio Cesar de Oliveira, James E. Gunn, Ligia Souza de Oliveira, Lucas Souza Marrara, Leandro Henrique dos Santos, Josimar Aparecido Rosa, Decio Ferreira, Craig Loomis, Robert Lupton, Yuki Moritani, Naruhisa Takato, Naoyuki Tamura

Astrophysical Sciences

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

1 Scopus citations

Abstract

In this paper, we present details about the construction of the fiber cable of Subaru Night-Sky Spectrograph (SuNSS). This instrument addresses two of the major concerns on the PFS project, namely understanding the temporal and spatial behavior of the night sky emission, particularly in the red and infrared channels, and finding a way of accurate night sky subtraction for the fiber spectrographs. SuNSS is installed on the spider arm of Subaru telescope, and can deliver the lights to PFS spectrograph via the fiber cable called FOCCoS-B (Cable B). This means that SuNSS enables us to take sky spectra as long as the dome shutter is open even when PFI is not installed on the telescope. The SuNSS fiber cable consists of two sets of 127 optical fibers in a length of about 1330 mm; uniform-sky fiber set and imaging-sky fiber set. The input side is terminated with 127-fiber hexagonal-array ferrules. The output side is a Tower Connector system with MTPs ferrules, to attached with Cable B and provide light for the fiber slit on Spectrograph following the same coded map as PFS. As PFI does, the fibers to confirm connection are accommodated. Measured FRD was comparable to that of PFI.

Original language	English (US)
Title of host publication	Ground-based and Airborne Instrumentation for Astronomy IX
Editors	Christopher J. Evans, Julia J. Bryant, Kentaro Motohara
Publisher	SPIE
ISBN (Electronic)	9781510653498
DOIs	https://doi.org/10.1117/12.2629508
State	Published - 2022
Event	Ground-based and Airborne Instrumentation for Astronomy IX 2022 - Montreal, Canada Duration: Jul 17 2022 → Jul 22 2022

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	12184
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Conference

Conference	Ground-based and Airborne Instrumentation for Astronomy IX 2022
Country/Territory	Canada
City	Montreal
Period	7/17/22 → 7/22/22

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Keywords

Prime Focus
cabling
multi-fibers connectorization
night sky emission
optical fibers
spectrograph

Access to Document

10.1117/12.2629508

Cite this

de Oliveira, A. C., Gunn, J. E., de Oliveira, L. S., Marrara, L. S., dos Santos, L. H., Rosa, J. A., Ferreira, D., Loomis, C., Lupton, R., Moritani, Y., Takato, N., & Tamura, N. (2022). Subaru Night-Sky Spectrograph (SuNSS) – Fiber cable construction. In C. J. Evans, J. J. Bryant, & K. Motohara (Eds.), Ground-based and Airborne Instrumentation for Astronomy IX Article 1218472 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 12184). SPIE. https://doi.org/10.1117/12.2629508

@inproceedings{e531b0704a3a4032a35d895bc5113ac0,

title = "Subaru Night-Sky Spectrograph (SuNSS) – Fiber cable construction",

abstract = "In this paper, we present details about the construction of the fiber cable of Subaru Night-Sky Spectrograph (SuNSS). This instrument addresses two of the major concerns on the PFS project, namely understanding the temporal and spatial behavior of the night sky emission, particularly in the red and infrared channels, and finding a way of accurate night sky subtraction for the fiber spectrographs. SuNSS is installed on the spider arm of Subaru telescope, and can deliver the lights to PFS spectrograph via the fiber cable called FOCCoS-B (Cable B). This means that SuNSS enables us to take sky spectra as long as the dome shutter is open even when PFI is not installed on the telescope. The SuNSS fiber cable consists of two sets of 127 optical fibers in a length of about 1330 mm; uniform-sky fiber set and imaging-sky fiber set. The input side is terminated with 127-fiber hexagonal-array ferrules. The output side is a Tower Connector system with MTPs ferrules, to attached with Cable B and provide light for the fiber slit on Spectrograph following the same coded map as PFS. As PFI does, the fibers to confirm connection are accommodated. Measured FRD was comparable to that of PFI.",

keywords = "Prime Focus, cabling, multi-fibers connectorization, night sky emission, optical fibers, spectrograph",

author = "\{de Oliveira\}, \{Antonio Cesar\} and Gunn, \{James E.\} and \{de Oliveira\}, \{Ligia Souza\} and Marrara, \{Lucas Souza\} and \{dos Santos\}, \{Leandro Henrique\} and Rosa, \{Josimar Aparecido\} and Decio Ferreira and Craig Loomis and Robert Lupton and Yuki Moritani and Naruhisa Takato and Naoyuki Tamura",

note = "Publisher Copyright: {\textcopyright} 2022 SPIE.; Ground-based and Airborne Instrumentation for Astronomy IX 2022 ; Conference date: 17-07-2022 Through 22-07-2022",

year = "2022",

doi = "10.1117/12.2629508",

language = "English (US)",

series = "Proceedings of SPIE - The International Society for Optical Engineering",

publisher = "SPIE",

editor = "Evans, \{Christopher J.\} and Bryant, \{Julia J.\} and Kentaro Motohara",

booktitle = "Ground-based and Airborne Instrumentation for Astronomy IX",

address = "United States",

}

de Oliveira, AC, Gunn, JE, de Oliveira, LS, Marrara, LS, dos Santos, LH, Rosa, JA, Ferreira, D, Loomis, C, Lupton, R, Moritani, Y, Takato, N & Tamura, N 2022, Subaru Night-Sky Spectrograph (SuNSS) – Fiber cable construction. in CJ Evans, JJ Bryant & K Motohara (eds), Ground-based and Airborne Instrumentation for Astronomy IX., 1218472, Proceedings of SPIE - The International Society for Optical Engineering, vol. 12184, SPIE, Ground-based and Airborne Instrumentation for Astronomy IX 2022, Montreal, Canada, 7/17/22. https://doi.org/10.1117/12.2629508

Subaru Night-Sky Spectrograph (SuNSS) – Fiber cable construction. / de Oliveira, Antonio Cesar; Gunn, James E.; de Oliveira, Ligia Souza et al.
Ground-based and Airborne Instrumentation for Astronomy IX. ed. / Christopher J. Evans; Julia J. Bryant; Kentaro Motohara. SPIE, 2022. 1218472 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 12184).

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

TY - GEN

T1 - Subaru Night-Sky Spectrograph (SuNSS) – Fiber cable construction

AU - de Oliveira, Antonio Cesar

AU - Gunn, James E.

AU - de Oliveira, Ligia Souza

AU - Marrara, Lucas Souza

AU - dos Santos, Leandro Henrique

AU - Rosa, Josimar Aparecido

AU - Ferreira, Decio

AU - Loomis, Craig

AU - Lupton, Robert

AU - Moritani, Yuki

AU - Takato, Naruhisa

AU - Tamura, Naoyuki

PY - 2022

Y1 - 2022

N2 - In this paper, we present details about the construction of the fiber cable of Subaru Night-Sky Spectrograph (SuNSS). This instrument addresses two of the major concerns on the PFS project, namely understanding the temporal and spatial behavior of the night sky emission, particularly in the red and infrared channels, and finding a way of accurate night sky subtraction for the fiber spectrographs. SuNSS is installed on the spider arm of Subaru telescope, and can deliver the lights to PFS spectrograph via the fiber cable called FOCCoS-B (Cable B). This means that SuNSS enables us to take sky spectra as long as the dome shutter is open even when PFI is not installed on the telescope. The SuNSS fiber cable consists of two sets of 127 optical fibers in a length of about 1330 mm; uniform-sky fiber set and imaging-sky fiber set. The input side is terminated with 127-fiber hexagonal-array ferrules. The output side is a Tower Connector system with MTPs ferrules, to attached with Cable B and provide light for the fiber slit on Spectrograph following the same coded map as PFS. As PFI does, the fibers to confirm connection are accommodated. Measured FRD was comparable to that of PFI.

AB - In this paper, we present details about the construction of the fiber cable of Subaru Night-Sky Spectrograph (SuNSS). This instrument addresses two of the major concerns on the PFS project, namely understanding the temporal and spatial behavior of the night sky emission, particularly in the red and infrared channels, and finding a way of accurate night sky subtraction for the fiber spectrographs. SuNSS is installed on the spider arm of Subaru telescope, and can deliver the lights to PFS spectrograph via the fiber cable called FOCCoS-B (Cable B). This means that SuNSS enables us to take sky spectra as long as the dome shutter is open even when PFI is not installed on the telescope. The SuNSS fiber cable consists of two sets of 127 optical fibers in a length of about 1330 mm; uniform-sky fiber set and imaging-sky fiber set. The input side is terminated with 127-fiber hexagonal-array ferrules. The output side is a Tower Connector system with MTPs ferrules, to attached with Cable B and provide light for the fiber slit on Spectrograph following the same coded map as PFS. As PFI does, the fibers to confirm connection are accommodated. Measured FRD was comparable to that of PFI.

KW - Prime Focus

KW - cabling

KW - multi-fibers connectorization

KW - night sky emission

KW - optical fibers

KW - spectrograph

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AN - SCOPUS:85178514499

T3 - Proceedings of SPIE - The International Society for Optical Engineering

BT - Ground-based and Airborne Instrumentation for Astronomy IX

A2 - Evans, Christopher J.

A2 - Bryant, Julia J.

A2 - Motohara, Kentaro

PB - SPIE

T2 - Ground-based and Airborne Instrumentation for Astronomy IX 2022

Y2 - 17 July 2022 through 22 July 2022

ER -

de Oliveira AC, Gunn JE, de Oliveira LS, Marrara LS, dos Santos LH, Rosa JA et al. Subaru Night-Sky Spectrograph (SuNSS) – Fiber cable construction. In Evans CJ, Bryant JJ, Motohara K, editors, Ground-based and Airborne Instrumentation for Astronomy IX. SPIE. 2022. 1218472. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.2629508

Subaru Night-Sky Spectrograph (SuNSS) – Fiber cable construction

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