NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.
Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.
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.
Magneto-optic magnetic field sensor with 1.4 pT/√Hz minimum detectable field at 1 kHz
Published
Author(s)
M. N. Deeter, Gordon W. Day, T. J. Beahn, M. Manheimer
Abstract
The Letter demonstrates that the sensitivity of magneto-optic magnetic field sensors employing iron garnets can be increased by approximately two orders of magnitude by applying flux concentration. A minimum detectable field of 1.4 pT/√(Hz) was measured when a cylindrical gallium substituted yttrium iron garnet crystal was combined with two conically tapered nickel-zinc ferrite cylinders.
Deeter, M.
, Day, G.
, Beahn, T.
and Manheimer, M.
(1993),
Magneto-optic magnetic field sensor with 1.4 pT/√Hz minimum detectable field at 1 kHz, Electronics Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=6217
(Accessed November 5, 2025)