NDLI: Solid state neutron dosimeter for space applications

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Solid state neutron dosimeter for space applications

Content Provider	NASA Technical Reports Server (NTRS)
Author	Entine, Gerald Sharif, Daud Nagargar, Vivek
Copyright Year	1990
Description	Personnel engaged in space flight are exposed to significant flux of high energy neutrons arising from both primary and secondary sources of ionizing radiation. Presently, there exist no compact neutron sensor capable of being integrated in a flight instrument to provide real time measurement of this radiation flux. A proposal was made to construct such an instrument using special PIN silicon diode which has the property of being insensitive to the other forms of ionizing radiation. Studies were performed to determine the design and construction of a better reading system to allow the PIN diode to be read with high precision. The physics of the device was studied, especially with respect to those factors which affect the sensitivity and reproducibility of the neutron response. This information was then used to develop methods to achieve high sensitivity at low neutron doses. The feasibility was shown of enhancing the PIN diode sensitivity to make possible the measurement of the low doses of neutrons encountered in space flights. The new PIN diode will make possible the development of a very compact, accurate, personal neutron dosimeter.
File Size	1606388
Page Count	23
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19920002113
Archival Resource Key	ark:/13960/t0cv9dp1n
Language	English
Publisher Date	1990-08-17
Access Restriction	Open
Subject Keyword	Solid State Dosimeters Ionizing Radiation P-i-n Junctions Neutron Emission Flight Instruments Silicon Diodes Radiation Dosage Neutron Counters Real Time Operation Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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