An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Muhlfelder, B.
, Beall, J.
, Cromar, M.
and Ono, R.
(1986),
Very Low Noise, Tightly Coupled, dc SQUID Amplifiers, Applied Physics Letters
(Accessed May 4, 2024)