AUTOMATED TEMPERATURE REGULATION SYSTEM FOR ADIABATIC DEMAGNETIZATION REFRIGERATORS

被引：7

作者：

BERNSTEIN, G

LABOV, S

LANDIS, D

MADDEN, N

MILLET, I

SILVER, E

RICHARDS, P

机构：

[1] UNIV CALIF BERKELEY LAWRENCE BERKELEY LAB,BERKELEY,CA 94720

[2] UNIV CALIF LAWRENCE LIVERMORE NATL LAB,LIVERMORE,CA 94550

[3] UNIV CALIF BERKELEY,DEPT PHYS,BERKELEY,CA 94720

来源：

CRYOGENICS | 1991年 / 31卷 / 02期

关键词：

MAGNETIC REFRIGERATOR; ADIABATIC DEMAGNETIZATION REFRIGERATOR; TEMPERATURE REGULATION;

D O I：

10.1016/0011-2275(91)90253-S

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A temperature control system was constructed for an adiabatic demagnetization refrigerator operating between 50 mK and 4 K. The control algorithm is discussed and the system performance is presented. A temperature stability of 2-mu-K RMS at 100 mK has been maintained for more than 8 h. To improve the thermodynamic efficiency, the magnetic field is used as the control parameter, rather than resistive heating.

引用

页码：99 / 101

页数：3

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