Sorption-based vibration-free cooler for the METIS instrument on E-ELT

Hermanus J.M. ter Brake, Roger Wu, D.R. Zalewski, Cristian Hendrik Vermeer, Herman J. Holland, J. Doornink, B. Benthem, E. Boom

Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • 4 Citations

Abstract

METIS is the 'Mid-infrared ELT Imager and Spectrograph' for the European Extremely Large Telescope. This E-ELT instrument will cover the thermal/mid-infrared wavelength range from 3 to 14 μm and will require cryogenic cooling of detectors and optics. We present a vibration-free cooling technology for this instrument based on sorption coolers developed at the University of Twente in collaboration with Dutch Space. In the baseline design, the instrument has four temperature levels: N-band: detector at 8 K and optics at 25 K; L/M-band: detector at 40K and optics at 77 K. The latter temperature is established by a liquid nitrogen supply with adequate cooling power. The cooling powers required at the lower three levels are 0.4 W, 1.1 W, and 1.4 W, respectively. The cryogenic cooling technology that we propose uses a compressor based on the cyclic adsorption and desorption of a working gas on a sorber material such as activated carbon. Under desorption, a high pressure can be established. When expanding the high-pressure fluid over a flow restriction, cooling is obtained. The big advantage of this cooling technology is that, apart from passive valves, it contains no moving parts and, therefore, generates no vibrations. This, obviously, is highly attractive in sensitive, high-performance optical systems. A further advantage is the high temperature stability down to the mK level. In a Dutch national research program we aim to develop a cooler demonstrator for METIS. In the paper we will describe our cooler technology and discuss the developments towards the METIS cooler demonstrator
LanguageEnglish
Title of host publicationGround-based and Airborne Instrumentation for Astronomy IV
Subtitle of host publication1–6 July 2012, Amsterdam, Netherlands
EditorsI.S. McLean, S.K. Ramsay, H. Takam
Place of PublicationAmsterdam
PublisherSPIE
Pages1-11
ISBN (Print)9780819491473
DOIs
StatePublished - 1 Jul 2012
EventSPIE Astronomical Telescopes + Instrumentation 2012 - Amsterdam, Netherlands
Duration: 1 Jul 20126 Jul 2012

Publication series

NameProceedings of SPIE
PublisherSPIE
Volume8446
ISSN (Print)0277-786X

Conference

ConferenceSPIE Astronomical Telescopes + Instrumentation 2012
CountryNetherlands
CityAmsterdam
Period1/07/126/07/12

Fingerprint

free vibration
coolers
sorption
cooling
cryogenic cooling
optics
detectors
desorption
activated carbon
compressors
liquid nitrogen
spectrographs
constrictions
telescopes
vibration
adsorption
temperature
fluids
gases
wavelengths

Keywords

  • METIS-289400
  • IR-82269

Cite this

ter Brake, H. J. M., Wu, R., Zalewski, D. R., Vermeer, C. H., Holland, H. J., Doornink, J., ... Boom, E. (2012). Sorption-based vibration-free cooler for the METIS instrument on E-ELT. In I. S. McLean, S. K. Ramsay, & H. Takam (Eds.), Ground-based and Airborne Instrumentation for Astronomy IV: 1–6 July 2012, Amsterdam, Netherlands (pp. 1-11). (Proceedings of SPIE; Vol. 8446). Amsterdam: SPIE. DOI: 10.1117/12.927002
ter Brake, Hermanus J.M. ; Wu, Roger ; Zalewski, D.R. ; Vermeer, Cristian Hendrik ; Holland, Herman J. ; Doornink, J. ; Benthem, B. ; Boom, E./ Sorption-based vibration-free cooler for the METIS instrument on E-ELT. Ground-based and Airborne Instrumentation for Astronomy IV: 1–6 July 2012, Amsterdam, Netherlands. editor / I.S. McLean ; S.K. Ramsay ; H. Takam. Amsterdam : SPIE, 2012. pp. 1-11 (Proceedings of SPIE).
@inproceedings{8e4e61dcb1544907827d6e9f05296316,
title = "Sorption-based vibration-free cooler for the METIS instrument on E-ELT",
abstract = "METIS is the 'Mid-infrared ELT Imager and Spectrograph' for the European Extremely Large Telescope. This E-ELT instrument will cover the thermal/mid-infrared wavelength range from 3 to 14 μm and will require cryogenic cooling of detectors and optics. We present a vibration-free cooling technology for this instrument based on sorption coolers developed at the University of Twente in collaboration with Dutch Space. In the baseline design, the instrument has four temperature levels: N-band: detector at 8 K and optics at 25 K; L/M-band: detector at 40K and optics at 77 K. The latter temperature is established by a liquid nitrogen supply with adequate cooling power. The cooling powers required at the lower three levels are 0.4 W, 1.1 W, and 1.4 W, respectively. The cryogenic cooling technology that we propose uses a compressor based on the cyclic adsorption and desorption of a working gas on a sorber material such as activated carbon. Under desorption, a high pressure can be established. When expanding the high-pressure fluid over a flow restriction, cooling is obtained. The big advantage of this cooling technology is that, apart from passive valves, it contains no moving parts and, therefore, generates no vibrations. This, obviously, is highly attractive in sensitive, high-performance optical systems. A further advantage is the high temperature stability down to the mK level. In a Dutch national research program we aim to develop a cooler demonstrator for METIS. In the paper we will describe our cooler technology and discuss the developments towards the METIS cooler demonstrator",
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author = "{ter Brake}, {Hermanus J.M.} and Roger Wu and D.R. Zalewski and Vermeer, {Cristian Hendrik} and Holland, {Herman J.} and J. Doornink and B. Benthem and E. Boom",
year = "2012",
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series = "Proceedings of SPIE",
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ter Brake, HJM, Wu, R, Zalewski, DR, Vermeer, CH, Holland, HJ, Doornink, J, Benthem, B & Boom, E 2012, Sorption-based vibration-free cooler for the METIS instrument on E-ELT. in IS McLean, SK Ramsay & H Takam (eds), Ground-based and Airborne Instrumentation for Astronomy IV: 1–6 July 2012, Amsterdam, Netherlands. Proceedings of SPIE, vol. 8446, SPIE, Amsterdam, pp. 1-11, SPIE Astronomical Telescopes + Instrumentation 2012, Amsterdam, Netherlands, 1/07/12. DOI: 10.1117/12.927002

Sorption-based vibration-free cooler for the METIS instrument on E-ELT. / ter Brake, Hermanus J.M.; Wu, Roger; Zalewski, D.R.; Vermeer, Cristian Hendrik; Holland, Herman J.; Doornink, J.; Benthem, B.; Boom, E.

Ground-based and Airborne Instrumentation for Astronomy IV: 1–6 July 2012, Amsterdam, Netherlands. ed. / I.S. McLean; S.K. Ramsay; H. Takam. Amsterdam : SPIE, 2012. p. 1-11 (Proceedings of SPIE; Vol. 8446).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

TY - GEN

T1 - Sorption-based vibration-free cooler for the METIS instrument on E-ELT

AU - ter Brake,Hermanus J.M.

AU - Wu,Roger

AU - Zalewski,D.R.

AU - Vermeer,Cristian Hendrik

AU - Holland,Herman J.

AU - Doornink,J.

AU - Benthem,B.

AU - Boom,E.

PY - 2012/7/1

Y1 - 2012/7/1

N2 - METIS is the 'Mid-infrared ELT Imager and Spectrograph' for the European Extremely Large Telescope. This E-ELT instrument will cover the thermal/mid-infrared wavelength range from 3 to 14 μm and will require cryogenic cooling of detectors and optics. We present a vibration-free cooling technology for this instrument based on sorption coolers developed at the University of Twente in collaboration with Dutch Space. In the baseline design, the instrument has four temperature levels: N-band: detector at 8 K and optics at 25 K; L/M-band: detector at 40K and optics at 77 K. The latter temperature is established by a liquid nitrogen supply with adequate cooling power. The cooling powers required at the lower three levels are 0.4 W, 1.1 W, and 1.4 W, respectively. The cryogenic cooling technology that we propose uses a compressor based on the cyclic adsorption and desorption of a working gas on a sorber material such as activated carbon. Under desorption, a high pressure can be established. When expanding the high-pressure fluid over a flow restriction, cooling is obtained. The big advantage of this cooling technology is that, apart from passive valves, it contains no moving parts and, therefore, generates no vibrations. This, obviously, is highly attractive in sensitive, high-performance optical systems. A further advantage is the high temperature stability down to the mK level. In a Dutch national research program we aim to develop a cooler demonstrator for METIS. In the paper we will describe our cooler technology and discuss the developments towards the METIS cooler demonstrator

AB - METIS is the 'Mid-infrared ELT Imager and Spectrograph' for the European Extremely Large Telescope. This E-ELT instrument will cover the thermal/mid-infrared wavelength range from 3 to 14 μm and will require cryogenic cooling of detectors and optics. We present a vibration-free cooling technology for this instrument based on sorption coolers developed at the University of Twente in collaboration with Dutch Space. In the baseline design, the instrument has four temperature levels: N-band: detector at 8 K and optics at 25 K; L/M-band: detector at 40K and optics at 77 K. The latter temperature is established by a liquid nitrogen supply with adequate cooling power. The cooling powers required at the lower three levels are 0.4 W, 1.1 W, and 1.4 W, respectively. The cryogenic cooling technology that we propose uses a compressor based on the cyclic adsorption and desorption of a working gas on a sorber material such as activated carbon. Under desorption, a high pressure can be established. When expanding the high-pressure fluid over a flow restriction, cooling is obtained. The big advantage of this cooling technology is that, apart from passive valves, it contains no moving parts and, therefore, generates no vibrations. This, obviously, is highly attractive in sensitive, high-performance optical systems. A further advantage is the high temperature stability down to the mK level. In a Dutch national research program we aim to develop a cooler demonstrator for METIS. In the paper we will describe our cooler technology and discuss the developments towards the METIS cooler demonstrator

KW - METIS-289400

KW - IR-82269

U2 - 10.1117/12.927002

DO - 10.1117/12.927002

M3 - Conference contribution

SN - 9780819491473

T3 - Proceedings of SPIE

SP - 1

EP - 11

BT - Ground-based and Airborne Instrumentation for Astronomy IV

PB - SPIE

CY - Amsterdam

ER -

ter Brake HJM, Wu R, Zalewski DR, Vermeer CH, Holland HJ, Doornink J et al. Sorption-based vibration-free cooler for the METIS instrument on E-ELT. In McLean IS, Ramsay SK, Takam H, editors, Ground-based and Airborne Instrumentation for Astronomy IV: 1–6 July 2012, Amsterdam, Netherlands. Amsterdam: SPIE. 2012. p. 1-11. (Proceedings of SPIE). Available from, DOI: 10.1117/12.927002