Tuned optical cavity magnetometer

Details Tuned optical cavity magnetometer Tuned optical cavity magnetometer

2008-07-15

2010-11-02

Lyons, Michael A (Department: 2877)

Optics: measuring and testing

By light interference

Having wavefront division

C324S244100

Reexamination Certificate

active

07826065

ABSTRACT:
An atomic magnetometer is disclosed which utilizes an optical cavity formed from a grating and a mirror, with a vapor cell containing an alkali metal vapor located inside the optical cavity. Lasers are used to magnetically polarize the alkali metal vapor and to probe the vapor and generate a diffracted laser beam which can be used to sense a magnetic field. Electrostatic actuators can be used in the magnetometer for positioning of the mirror, or for modulation thereof. Another optical cavity can also be formed from the mirror and a second grating for sensing, adjusting, or stabilizing the position of the mirror.

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