R.B. Laibowitz, R.H. Koch, et al.
Physica B+C
A bicrystal junction high-Tc direct current-SQUID has been operated successfully at 77 K in a portable battery operated microcooler. The microcooler products magnetic signals which are harmonics of 43 Hz and a band of frequencies from 400 Hz to 4 kHz. It is possible to operate the SQUID in a flux-locked-loop mode using a 10 kHz modulation signal. The performance of the SQUID in the microcooler, in the frequency range 1-10 Hz, is almost identical to that in a Dewar. © 1994 American Institute of Physics.
R.B. Laibowitz, R.H. Koch, et al.
Physica B+C
J.F. Graczyk, P. Chaudhari
physica status solidi (b)
J.J. Cuomo, V. Sadagopan, et al.
Applied Physics Letters
M. Kawasaki, E. Sarnelli, et al.
Applied Physics Letters