DOE Patents title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Tuned optical cavity magnetometer

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.

Inventors:
 [1];  [2]
  1. Edgewood, NM
  2. Albuquerque, NM
Issue Date:
Research Org.:
Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1014951
Patent Number(s):
7826065
Application Number:
US Patent Application 12/173,547
Assignee:
Sandia Corporation (Albuquerque, NM)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01B - MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS
G - PHYSICS G01 - MEASURING G01R - MEASURING ELECTRIC VARIABLES
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Patent
Country of Publication:
United States
Language:
English

Citation Formats

Okandan, Murat, and Schwindt, Peter. Tuned optical cavity magnetometer. United States: N. p., 2010. Web.
Okandan, Murat, & Schwindt, Peter. Tuned optical cavity magnetometer. United States.
Okandan, Murat, and Schwindt, Peter. Tue . "Tuned optical cavity magnetometer". United States. https://www.osti.gov/servlets/purl/1014951.
@article{osti_1014951,
title = {Tuned optical cavity magnetometer},
author = {Okandan, Murat and Schwindt, Peter},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2010},
month = {11}
}

Works referenced in this record:

High-sensitivity magnetometer based on index-enhanced media
journal, August 1992


Picotesla magnetometry with coherent dark states
journal, May 2001


Capacitive micromachined ultrasonic transducers with diffraction-based integrated optical displacement detection
journal, November 2003


Chip-scale atomic magnetometer
journal, December 2004


A subfemtotesla multichannel atomic magnetometer
journal, April 2003


Chip-scale atomic magnetometer with improved sensitivity by use of the Mx technique
journal, February 2007


Robust, high-speed, all-optical atomic magnetometer
journal, November 2006


Nonlinear magneto-optical rotation with frequency-modulated light
journal, May 2002