9 January 1984 Ultra-Weak Light Standards For Assessing The Performance Of Photoelectronic Detectors In Astronomy
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This paper discusses the general problems of designing and calibrating sources of very weak light of known flux and spectral distribution, at levels necessary for measuring the performance of the various types of detector in current use in astronomy. After a brief introduction to ultra-weak-light photometry, the author describes a laboratory low-level light source built at the RGO for use as a primary standard for calibrating CCD's and PM-tubes etc. Alternative secondary standards, for use at observatories, are then discussed; these must be small, simple, portable and reliable, and should be suitable for permanent installation in telescope instruments, e.g. spectrographs and photometers etc. Finally, a few words are added on possible future developments.
© (1984) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
John V Jelley, "Ultra-Weak Light Standards For Assessing The Performance Of Photoelectronic Detectors In Astronomy", Proc. SPIE 0445, Instrumentation in Astronomy V, (9 January 1984); doi: 10.1117/12.966193; https://doi.org/10.1117/12.966193


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