Spectroscopic Dosimeter

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$599,895.00
Award Year:
2009
Program:
SBIR
Phase:
Phase II
Contract:
NNX09CA21C
Award Id:
87959
Agency Tracking Number:
075584
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
P.O. Box 511283, Salt Lake City, UT, 84151
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
JohnCzirr
Principal Investigator
(801) 374-6722
bart.czirr@missionsupport.us
Business Contact:
DavidMerrill
Business Official
(801) 773-7900
david.merrill@missionsupport.us
Research Institute:
n/a
Abstract
Analysis of Phase I test data demonstrates that the Photogenics Spectroscopic Dosimeter will detect neutron energies from 0.8 up to 600 MeV. The detector efficiencies in the energy region of interest to NASA of 0.5 to 150 MeV were predicted by MCNP-X models. These models were partially confirmed by the tests at the EAL and LANSCE, with a high confidence in the data for the 1-14 MeV range and a confirmation of the detector's spectroscopic capabilities between 15-150 MeV. Further analysis of the high energy data will be performed in Phase II. Using the detection efficiencies determined Phase I and the IRCP74 damage coefficients, doses have been calculated for the neutron fluxes encountered in the test facilities. During Phase II a full-scale working model of the spectroscopic dosimeter will be fabricated and tested.

* information listed above is at the time of submission.

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