Amplifier and pulse-counter for fast, low level photometry
J R V Groves; J R V Groves; Free Flight Group, Aerodynamics Division, Weapons Research Establishment, Salisbury, South Australia
Журнал:
Journal of Scientific Instruments
Дата:
1965-06-01
Аннотация:
A logarithmic amplifier and a pulse-counting amplifier are described, and some notes given on the practical use of photomultipliers to measure light fluxes in the range 10<sup>-12</sup> to 10<sup>-6</sup> lumen whilst maintaining a response from d.c. to 3 kc/s.
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