Testing the GRACE follow-on triple mirror assembly

被引：10

作者：

Fleddermann, R. ^{[1
]}

Ward, R. L. ^{[1
]}

Elliot, M. ^{[1
]}

Wuchenich, D. M. ^{[1
]}

Gilles, F. ^{[2
]}

Herding, M. ^{[2
]}

Nicklaus, K. ^{[2
]}

Brown, J. ^{[3
]}

Burke, J. ^{[4
]}

Dligatch, S. ^{[3
]}

Farrant, D. I. ^{[3
]}

Green, K. L. ^{[3
]}

Seckold, J. A. ^{[3
]}

Blundell, M. ^{[5
]}

Brister, R. ^{[5
]}

Smith, C. ^{[5
]}

Sheard, B. S. ^{[6
,7
]}

Heinzel, G. ^{[6
,7
]}

Danzmann, K. ^{[6
,7
]}

Klipstein, B. ^{[8
]}

McClelland, D. E. ^{[1
]}

Shaddock, D. A. ^{[1
]}

机构：

[1] Australian Natl Univ, Dept Quantum Sci, Acton, ACT 2000, Australia

[2] SpaceTech GmbH Immenstaad, D-88090 Immenstaad, Germany

[3] CSIRO Mat Sci & Engn, Australian Ctr Precis Opt, Lindfield, NSW 2070, Australia

[4] BIAS Bremer Inst Angew Strahltech gGmbH, Abt Opt Messtech, D-28359 Bremen, Germany

[5] Electro Opt Syst Pty Ltd, Mt Stromlo Observ, Weston, ACT 2611, Australia

[6] Leibniz Univ Hannover, Max Planck Inst Gravitat Phys, Albert Einstein Inst, D-30167 Hannover, Germany

[7] Leibniz Univ Hannover, Inst Gravitat Phys, D-30167 Hannover, Germany

[8] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

来源：

CLASSICAL AND QUANTUM GRAVITY | 2014年 / 31卷 / 19期

关键词：

gravity recovery and climate explorer; GRACE; triple mirror assembly; laser ranging instrument; GRACE follow-on; retroreflectors; coalignment measurements;

D O I：

10.1088/0264-9381/31/19/195004

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report on the successful testing of the GRACE follow-on triple mirror assembly (TMA) prototype. This component serves to route the laser beam in a proposed follow-on mission to the Gravity Recovery and Climate Explorer (GRACE) mission, containing an optical instrument for space-based distance measurement between satellites. As part of this, the TMA has to meet a set of stringent requirements on both the optical and mechanical properties. The purpose of the TMA prototype testing is to establish the feasibility of the design, materials choice and fabrication techniques. Here we report on co-alignment testing of this device to the arc second (5 mu rad) level and thermal alignment stability testing to 1 mu rad K-1.

引用

页数：12

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