Regulator for controlling liquid helium bath near 4.2 K.
A simple regulator for stabilizing the temperature of a liquid (4)He bath near 4.2 K is described. The device controls the pressure of the (4)He gas, and achieves a stability of +/-50 muK for the hold-time of the cryostat.
Gamble
T D
TD
Department of Physics, University of California and Materials and Molecular Research Division, Lawrence Berkeley Laboratory, Berkeley, California 94720.
Goubau
W M
WM
Ketchen
M B
MB
Clarke
J
J