Precise angular positioning at 6K: The FIFI-LS grating assembly

Felix Rebell; Walfried Raab; Sebastian Colditz; Simon Beckmann; Aaron Bryant; Christian Fischer; Fabio Fumi; Norbert Geis; Rainer Hönle; Randolf Klein; Alfred Krabbe; Leslie Looney; Albrecht Poglitsch; Sarah Ragan; Maureen Savage

doi:10.1117/12.2055458

Precise angular positioning at 6K: The FIFI-LS grating assembly

Felix Rebell, Walfried Raab, Sebastian Colditz, Simon Beckmann, Aaron Bryant, Christian Fischer, Fabio Fumi, Norbert Geis, Rainer Hönle, Randolf Klein, Alfred Krabbe, Leslie Looney, Albrecht Poglitsch, Sarah Ragan, Maureen Savage

Astronomy

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

Abstract

The Field Imaging Far Infrared Line Spectrometer (FIFI-LS) obtains spectral data within two wavelength ranges. The observed wavelengths are set by rotating the two diffraction gratings to specific angles. This paper describes on the grating assemblies, designed to rotate and stabilize the gratings. First the assembly itself and its special environment inside FIFI-LS is explained. Then a method is layed out how to monitor the performance of the drive and how to detect upcoming failures before they happen. The last chapter is dedicated to first inflight measurements of the position stability of the grating.

Original language	English (US)
Title of host publication	Ground-Based and Airborne Instrumentation for Astronomy V
Editors	Suzanne K. Ramsay, Ian S. McLean, Hideki Takami
Publisher	SPIE
ISBN (Electronic)	9780819496157
DOIs	https://doi.org/10.1117/12.2055458
State	Published - 2014
Event	Ground-Based and Airborne Instrumentation for Astronomy V - Montreal, Canada Duration: Jun 22 2014 → Jun 26 2014

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	9147
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Other

Other	Ground-Based and Airborne Instrumentation for Astronomy V
Country/Territory	Canada
City	Montreal
Period	6/22/14 → 6/26/14

Keywords

FIFI LS
FIFI-LS
SOFIA
cryogenic mechanisms
planetary roller screw

ASJC Scopus subject areas

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

Online availability

10.1117/12.2055458

Library availability

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Cite this

Rebell, F., Raab, W., Colditz, S., Beckmann, S., Bryant, A., Fischer, C., Fumi, F., Geis, N., Hönle, R., Klein, R., Krabbe, A., Looney, L., Poglitsch, A., Ragan, S., & Savage, M. (2014). Precise angular positioning at 6K: The FIFI-LS grating assembly. In S. K. Ramsay, I. S. McLean, & H. Takami (Eds.), Ground-Based and Airborne Instrumentation for Astronomy V Article 914735 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9147). SPIE. https://doi.org/10.1117/12.2055458

Precise angular positioning at 6K: The FIFI-LS grating assembly. / Rebell, Felix; Raab, Walfried; Colditz, Sebastian et al.
Ground-Based and Airborne Instrumentation for Astronomy V. ed. / Suzanne K. Ramsay; Ian S. McLean; Hideki Takami. SPIE, 2014. 914735 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9147).

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

Rebell, F, Raab, W, Colditz, S, Beckmann, S, Bryant, A, Fischer, C, Fumi, F, Geis, N, Hönle, R, Klein, R, Krabbe, A, Looney, L, Poglitsch, A, Ragan, S & Savage, M 2014, Precise angular positioning at 6K: The FIFI-LS grating assembly. in SK Ramsay, IS McLean & H Takami (eds), Ground-Based and Airborne Instrumentation for Astronomy V., 914735, Proceedings of SPIE - The International Society for Optical Engineering, vol. 9147, SPIE, Ground-Based and Airborne Instrumentation for Astronomy V, Montreal, Canada, 6/22/14. https://doi.org/10.1117/12.2055458

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abstract = "The Field Imaging Far Infrared Line Spectrometer (FIFI-LS) obtains spectral data within two wavelength ranges. The observed wavelengths are set by rotating the two diffraction gratings to specific angles. This paper describes on the grating assemblies, designed to rotate and stabilize the gratings. First the assembly itself and its special environment inside FIFI-LS is explained. Then a method is layed out how to monitor the performance of the drive and how to detect upcoming failures before they happen. The last chapter is dedicated to first inflight measurements of the position stability of the grating.",

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AU - Rebell, Felix

AU - Raab, Walfried

AU - Colditz, Sebastian

AU - Beckmann, Simon

AU - Bryant, Aaron

AU - Fischer, Christian

AU - Fumi, Fabio

AU - Geis, Norbert

AU - Hönle, Rainer

AU - Klein, Randolf

AU - Krabbe, Alfred

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AU - Poglitsch, Albrecht

AU - Ragan, Sarah

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AB - The Field Imaging Far Infrared Line Spectrometer (FIFI-LS) obtains spectral data within two wavelength ranges. The observed wavelengths are set by rotating the two diffraction gratings to specific angles. This paper describes on the grating assemblies, designed to rotate and stabilize the gratings. First the assembly itself and its special environment inside FIFI-LS is explained. Then a method is layed out how to monitor the performance of the drive and how to detect upcoming failures before they happen. The last chapter is dedicated to first inflight measurements of the position stability of the grating.

KW - FIFI LS

KW - FIFI-LS

KW - SOFIA

KW - cryogenic mechanisms

KW - planetary roller screw

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BT - Ground-Based and Airborne Instrumentation for Astronomy V

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ER -

Precise angular positioning at 6K: The FIFI-LS grating assembly

Abstract

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Keywords

ASJC Scopus subject areas

Online availability

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