Physics – Atomic Physics
Scientific paper
2009-10-12
Physics
Atomic Physics
Scientific paper
We describe an ultra-sensitive atomic magnetometer using optically-pumped potassium atoms operating in spin-exchange relaxation free (SERF) regime. We demonstrate magnetic field sensitivity of 160 aT/Hz$^{1/2}$ in a gradiometer arrangement with a measurement volume of 0.45 cm$^3$ and energy resolution per unit time of $44 \hbar$. As an example of a new application enabled by such a magnetometer we describe measurements of weak remnant rock magnetization as a function of temperature with a sensitivity on the order of 10$^{-10}$ emu/cm$^3$/Hz$^{1/2}$ and temperatures up to 420$^\circ$C.
Dang Hoan Bui
Maloof Adam C.
Romalis Michael V.
No associations
LandOfFree
Ultra-high sensitivity magnetic field and magnetization measurements with an atomic magnetometer does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Ultra-high sensitivity magnetic field and magnetization measurements with an atomic magnetometer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ultra-high sensitivity magnetic field and magnetization measurements with an atomic magnetometer will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-464855