Self-Calibrating Vector Helium Magnetometer (SVHM)

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$99,982.00
Award Year:
2008
Program:
SBIR
Phase:
Phase I
Contract:
NNX08CB85P
Award Id:
88035
Agency Tracking Number:
075537
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
1810 N. Glenville Dr., #116, Richardson, TX, 75081
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
144948056
Principal Investigator:
Robert Slocum
Principal Investigator
(972) 690-0099
bob_slocum@polatomic.com
Business Contact:
Robert Slocum
Chairman
(972) 690-0099
bob_slocum@polatomic.com
Research Institution:
n/a
Abstract
This Phase I SBIR proposal describes proposed development of a conceptual design for a Self-Calibrating Vector Helium Magnetometer (SVHM) for design and fabrication of a SVHM brass-board model in Phase II. The SVHM instrument is capable of making both scalar and vector component measurements of Earth and planetary magnetic fields. The SVHM innovation is use of the scalar field value to self-calibrate the vector measurements thereby eliminating the three fluxgate vector magnetometers and an independent scalar magnetometer usually required to correct for fluxgate drifts and offsets. The SVM concept was demonstrated under an ESTO IIP contract. The SVHM concept can achieve a dynamic range of +/-100,000 nT, vector and scalar accuracy with self-calibration of 1 nT, and sensitivity of 5 pT /ýýýýHz. Miniaturization of the SVHM instrument to meet volume, power and mass goals will be achieved using fiber-coupled laser pump source and resonance drive, which permits miniaturization of the SVM sensor by reducing helium cell volume, by a factor of 10. The feasibility of designing and fabricating a brass-board SVHM model using advanced laser and digital components will be established in Phase I. A self-calibration and test protocol will be developed for demonstration in Phase II.

* information listed above is at the time of submission.

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