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Fall 08 Seminar Series

Presentation by:
Srikanth Guttikonda
Physics Major
California State University East Bay
Title:
Sensitivity Optimization of an Atomic Magnetometer Based on Nonlinear Optical Rotation
Abstract:
We have constructed an atomic magnetometer based on the technique of nonlinear magneto-optical rotation with frequency modulated light (FM NMOR). The magnetometer will be used in a new search for an equivalence-principle violating interaction of atomic spins with the earth's gravitational field. We report on a systematic optimization of the magnetometric sensitivity of FM NMOR for the rubidium D2 line. The optimum projected shot-noise-limited sensitivity of the magnetometer is better than 100 pG (10 fT) in 1 second of integration.
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