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Accurate rotation and displacement in the millikelvin range: A new positioner design

 

作者: C. Guthmann,   S. Balibar,   E. Chevalier,   E. Rolley,   J. C. Sutra‐Fourcade,  

 

期刊: Review of Scientific Instruments  （AIP Available online 1994）
卷期: Volume 65, issue 1  

页码: 273-274

 

ISSN:0034-6748

 

年代: 1994

 

DOI:10.1063/1.1144741

 

出版商: AIP

 

数据来源: AIP

 

摘要:

dc micromotors have been used to rotate helium 4 crystals in a pressurized cell (25 bars) at very low temperature (down to 30 mK). After slight modifications of the motors and optimization of bearings and transmission design, rotations of ±6° were obtained with an accuracy of ±0.01° and a dissipation of 20 &mgr;W.  

 

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