A cryogenic rotation stage with a large clear aperture for the half-wave plates in the Spider instrument

被引：20

作者：

Bryan, Sean ^{[1
]}

Ade, Peter ^{[2
]}

Amiri, Mandana ^{[3
]}

Benton, Steven ^{[4
,5
]}

Bihary, Richard ^{[6
,7
]}

Bock, James ^{[8
,9
]}

Bond, J. Richard ^{[10
]}

Chiang, H. Cynthia ^{[11
]}

Contaldi, Carlo ^{[12
]}

Crill, Brendan ^{[8
,9
]}

Dore, Olivier ^{[8
,9
]}

Elder, Benjamin ^{[6
,7
]}

Filippini, Jeffrey ^{[13
]}

Fraisse, Aurelien ^{[4
]}

Gambrel, Anne ^{[4
]}

Gandilo, Natalie ^{[14
]}

Gudmundsson, Jon ^{[4
]}

Hasselfield, Matthew ^{[15
]}

Halpern, Mark ^{[3
]}

Hilton, Gene ^{[16
]}

Holmes, Warren ^{[9
]}

Hristov, Viktor ^{[8
]}

Irwin, Kent ^{[17
]}

Jones, William ^{[4
]}

Kermish, Zigmund ^{[4
]}

Lawrie, Craig ^{[6
,7
]}

MacTavish, Carrie ^{[18
]}

Mason, Peter ^{[8
]}

Megerian, Krikor ^{[9
]}

Moncelsi, Lorenzo ^{[8
]}

Montroy, Thomas ^{[6
,7
]}

Morford, Tracy ^{[8
]}

Nagy, Johanna ^{[6
,7
]}

Netterfield, C. Barth ^{[5
,14
,19
]}

Padilla, Ivan ^{[5
]}

Rahlin, Alexandra S. ^{[4
]}

Reintsema, Carl ^{[16
]}

Riley, Daniel C. ^{[6
,7
]}

Ruhl, John ^{[6
,7
]}

Runyan, Marcus ^{[9
]}

Saliwanchik, Benjamin ^{[6
,7
]}

Shariff, Jamil ^{[5
,6
,7
]}

Soler, Juan ^{[20
]}

Trangsrud, Amy ^{[8
,9
]}

Tucker, Carole ^{[2
]}

Tucker, Rebecca ^{[8
]}

Turner, Anthony ^{[9
]}

Wen, Shyang ^{[6
,7
]}

Wiebe, Donald ^{[3
]}

Young, Edward ^{[4
]}

机构：

[1] Arizona State Univ, Sch Earth & Space Explorat, Tempe, AZ 85287 USA

[2] Cardiff Univ, Sch Phys & Astron, Cardiff CF10 3AX, S Glam, Wales

[3] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada

[4] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA

[5] Univ Toronto, Dept Astron & Astrophys, Toronto, ON M5S 3H4, Canada

[6] Case Western Reserve Univ, Dept Phys, Cleveland, OH 44106 USA

[7] Case Western Reserve Univ, CERCA, Cleveland, OH 44106 USA

[8] CALTECH, Div Phys Math & Astron, Pasadena, CA 91125 USA

[9] CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA

[10] Univ Toronto, Canadian Inst Theoret Astrophys, Toronto, ON M5S 3H8, Canada

[11] Univ KwaZulu Natal, Sch Math Stat & Comp Sci, Durban, South Africa

[12] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, Theoret Phys, London, England

[13] Univ Illinois, Dept Phys, Urbana, IL 61801 USA

[14] Univ Toronto, Dept Phys, 60 St George St, Toronto, ON M5S 1A7, Canada

[15] Princeton Univ, Dept Astrophys Sci, Princeton, NJ 08544 USA

[16] Natl Inst Stand & Technol, Boulder, CO 80305 USA

[17] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

[18] Univ Cambridge, Kavli Inst Cosmol, Cambridge, England

[19] CIFAR Program Cosmol & Grav, Canadian Inst Adv Res, Toronto, ON M5S 3H8, Canada

[20] Inst Astrophys Spatiale, Orsay, France

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2016年 / 87卷 / 01期

基金：

美国国家科学基金会; 美国国家航空航天局;

关键词：

POLARIMETRY; POLARIZATION; SYSTEMATICS;

D O I：

10.1063/1.4939435

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We describe the cryogenic half-wave plate rotation mechanisms built for and used in SPIDER., a polarization-sensitive balloon-borne telescope array that observed the cosmic microwave background at 95 GHz and 150 GHz during a stratospheric balloon flight from Antarctica in January 2015. The mechanisms operate at liquid helium temperature in flight. A three-point contact design keeps the mechanical bearings relatively small but allows for a large (305 mm) diameter clear aperture. A worm gear driven by a cryogenic stepper motor allows for precise positioning and prevents undesired rotation when the motors are depowered. A custom-built optical encoder system monitors the bearing angle to an absolute accuracy of +/-0.1 degrees. The system performed well in SPIDER. during its successful 16 day flight. (C) 2016 AIP Publishing LLC.

引用

页数：9

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