Development of the single-mode fiber integral field unit for the RHEA Spectrograph

Adam D. Rains; Michael J. Ireland; Nemanja Jovanovic; Joao Bento; Tobias Feger; Julien Lozi; Christian Schwab; David W. Coutts; Olivier Guyon; Alexander Arriola; Simon Gross; Jonathan E. Harris

doi:10.1117/12.2314336

Development of the single-mode fiber integral field unit for the RHEA Spectrograph

Adam D. Rains
, Michael J. Ireland
, Nemanja Jovanovic
, Joao Bento
, Tobias Feger
, Julien Lozi
, Christian Schwab
, David W. Coutts
, Olivier Guyon
, Alexander Arriola
, Simon Gross
, Jonathan E. Harris

Department of Physics

The Australian National University
California Institute of Technology
Macquarie University
National Astronomical Observatory of Japan
Australian Astronomical Observatory
The University of Arizona
Astrobiology Center, National Institutes of Natural Sciences
Centre for Ultrahigh Bandwidth Devices for Optical Systems

Research output: Chapter or section in a book/report/conference proceeding › Chapter in a published conference proceeding

8 Citations (SciVal)

Abstract

RHEA is a single-mode echelle spectrograph designed to be a replicable and cost effective method of undertaking precision radial velocity measurements. The instrument has a novel fiber feed with an integral field unit injecting into a grid of single-mode fibers reformatted to form a pseudo-slit, increasing throughput and enabling highspatial resolution observations when operating behind Subaru and the SCExAO adaptive optics system. The past 18 months have seen a replacement cable constructed for the instrument to address modal noise caused by closely packed fibers with similar path lengths. Here we detail the cable fabrication procedure, design improvements, increased precision in meeting the required sub-micron optical tolerances, throughput gains, and known remaining issues.

Original language	English
Title of host publication	Ground-based and Airborne Instrumentation for Astronomy VII
Place of Publication	U. S. A.
Publisher	SPIE
ISBN (Print)	9781510619579
DOIs	https://doi.org/10.1117/12.2314336
Publication status	Published - 1 Jan 2018
Event	Ground-based and Airborne Instrumentation for Astronomy VII 2018 - Austin, USA United States Duration: 10 Jun 2018 → 14 Jun 2018

Publication series

Name	Proceedings of SPIE
Volume	10702

Conference

Conference	Ground-based and Airborne Instrumentation for Astronomy VII 2018
Country/Territory	USA United States
City	Austin
Period	10/06/18 → 14/06/18

Keywords

diffraction-limited spectrograph
fiber injection
high resolution
integral field unit
optical fibers
radial velocity
spectrograph

ASJC Scopus subject areas

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

Access to Document

10.1117/12.2314336

Cite this

Rains, A. D., Ireland, M. J., Jovanovic, N., Bento, J., Feger, T., Lozi, J., Schwab, C., Coutts, D. W., Guyon, O., Arriola, A., Gross, S., & Harris, J. E. (2018). Development of the single-mode fiber integral field unit for the RHEA Spectrograph. In Ground-based and Airborne Instrumentation for Astronomy VII Article 107025J (Proceedings of SPIE; Vol. 10702). SPIE. https://doi.org/10.1117/12.2314336

Development of the single-mode fiber integral field unit for the RHEA Spectrograph. / Rains, Adam D.; Ireland, Michael J.; Jovanovic, Nemanja et al.
Ground-based and Airborne Instrumentation for Astronomy VII. U. S. A.: SPIE, 2018. 107025J (Proceedings of SPIE; Vol. 10702).

Research output: Chapter or section in a book/report/conference proceeding › Chapter in a published conference proceeding

Rains, AD, Ireland, MJ, Jovanovic, N, Bento, J, Feger, T, Lozi, J, Schwab, C, Coutts, DW, Guyon, O, Arriola, A, Gross, S & Harris, JE 2018, Development of the single-mode fiber integral field unit for the RHEA Spectrograph. in Ground-based and Airborne Instrumentation for Astronomy VII., 107025J, Proceedings of SPIE, vol. 10702, SPIE, U. S. A., Ground-based and Airborne Instrumentation for Astronomy VII 2018, Austin, USA United States, 10/06/18. https://doi.org/10.1117/12.2314336

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abstract = "RHEA is a single-mode echelle spectrograph designed to be a replicable and cost effective method of undertaking precision radial velocity measurements. The instrument has a novel fiber feed with an integral field unit injecting into a grid of single-mode fibers reformatted to form a pseudo-slit, increasing throughput and enabling highspatial resolution observations when operating behind Subaru and the SCExAO adaptive optics system. The past 18 months have seen a replacement cable constructed for the instrument to address modal noise caused by closely packed fibers with similar path lengths. Here we detail the cable fabrication procedure, design improvements, increased precision in meeting the required sub-micron optical tolerances, throughput gains, and known remaining issues.",

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AU - Lozi, Julien

AU - Schwab, Christian

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AB - RHEA is a single-mode echelle spectrograph designed to be a replicable and cost effective method of undertaking precision radial velocity measurements. The instrument has a novel fiber feed with an integral field unit injecting into a grid of single-mode fibers reformatted to form a pseudo-slit, increasing throughput and enabling highspatial resolution observations when operating behind Subaru and the SCExAO adaptive optics system. The past 18 months have seen a replacement cable constructed for the instrument to address modal noise caused by closely packed fibers with similar path lengths. Here we detail the cable fabrication procedure, design improvements, increased precision in meeting the required sub-micron optical tolerances, throughput gains, and known remaining issues.

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KW - fiber injection

KW - high resolution

KW - integral field unit

KW - optical fibers

KW - radial velocity

KW - spectrograph

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ER -

Development of the single-mode fiber integral field unit for the RHEA Spectrograph

Abstract

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Keywords

ASJC Scopus subject areas

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