Optical Magnetometry with Atomic Vapor Cell & Nitrogen-Vacancy center in Diamond

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Date/Time:Tuesday, 21 Jan 2014 - Tuesday, 21 Jan 2014
Location:ROOM 18
Channel:Condensed Matter Physics
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M. Ummal Momeen University of Pittsburgh, Pittsburgh, PA

Optical magnetometry has drawn considerable interest in recent years because of its fascinating applications in various fields. It has been demonstrated over the years that atomic vapor cell is known for exceptional sensitivity but limited with sub-millimeter spatial resolution. Nitrogen-vacancy (NV) center in diamond is an excellent solid state magnetic sensor suitable for high sensitivity sub-nanometer spatial resolution magnetic imaging. In the first part of my talk, I will present the work on the rubidium vapor cell magnetometry based on the non-linear magneto-optical rotation technique1. In the second part of the talk, I will discuss the magnetometry techniques with nitrogen-vacancy center in diamond2. In the end, I will give an outlook of low temperature scanning probe microscopy techniques with NV center in diamond for magnetic imaging. I will also briefly discuss their applications and list out the challenges involved with these techniques.