High-Range Scalar Helium Magnetometer (HSHM)

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: NNX08CB86P
Agency Tracking Number: 075285
Amount: $98,706.00
Phase: Phase I
Program: SBIR
Awards Year: 2008
Solitcitation Year: 2007
Solitcitation Topic Code: S1.06
Solitcitation Number: N/A
Small Business Information
Polatomic, Inc.
1124 Commerce Drive, Richardson, TX, 75081-1954
Duns: 144948056
Hubzone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Robert Slocum
 Principal Investigator
 (972) 690-0099
 bob_slocum@polatomic.com
Business Contact
 Robert Slocum
Title: Chairman
Phone: (972) 690-0099
Email: bob_slocum@polatomic.com
Research Institution
N/A
Abstract
This SBIR Phase I proposal describes development of a conceptual design for a High-range Scalar Helium Magnetometer (HSHM) for the field range +/-16 Gauss. The HSHM conceptual design will establish the feasibility of a model brass-board HSHM in Phase II. The HSHM instrument is capable of making scalar measurements of Earth and planetary magnetic fields over a range of +/-16 G using a digital resonance loop design already demonstrated in the Juno SHM instrument. The major HSHM design innovation is use of a new fiber-coupled laser pump-source and resonance drive. The laser pump-source permits miniaturization of the sensor unit by eliminating three helium lamps and a helium cell, as well as the resonance RF drive cables and RF resonance coils at the sensor. This innovation permits reduction of the sensor volume by a factor of 10 while decreasing sensor power and mass. The HSHM can achieve a scalar accuracy of 1 nT, and sensitivity of 5 pT/„©Hz. The Phase I conceptual design will guide the design and fabrication of a brass-board HSHM model using advanced laser and digital components in Phase II. A test and calibration protocol will be developed for the HSHM calibration in Phase II.

* information listed above is at the time of submission.

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