PHOTOGRAPHIC EMULSION DOSIMETRY AND THE A.E.R.E. FILM DOSIMETER
Technical Report
·
OSTI ID:4134621
The mechanisms underlying the photographic action of ionizing radiation are reviewed, and the application to dosimetry is discussed. The properties of Ilford P M 1 film and of the AERE film holder are described. The film has a peak sensitivity at 40 kev about 20 times that for radium gamma radiation. The film plus holder, or dosimeter. has a variation in sensitivity of a factor of 2 over the energy range 70 kev to 3 Mev, and a variation of plus or minus 26% over the energy range 150 kev to 1.5 Mev. ln this energy range the dose range which can be measured is 0.62 to 20 rads. Errors arising in processing and densitometry are estimated. Appendices give details of the experimental measurement of gamma energy dependence, orientation effects and slow-neutron sensitivity. (auth)
- Research Organization:
- United Kingdom Atomic Energy Authority. Research Group. Atomic Energy Research Establishment, Harwell, Berks, England
- NSA Number:
- NSA-14-026026
- OSTI ID:
- 4134621
- Report Number(s):
- AERE-R-3300
- Country of Publication:
- United Kingdom
- Language:
- English
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