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The Sydney University PAPA Camera
Published online by Cambridge University Press: 25 April 2016
Abstract
The Papa camera is a photon-counting array detector that uses optical encoding to locate photon events on the output of a microchannel plate image intensifier. The Sydney University camera is a 256×256 pixel detector which can operate at speeds greater than 1 million photons per second and produce individual photon coordinates with a deadtime of only 300 ns. It uses a new Gray coded mask-plate which permits a simplified optical alignment and successfully guards against vignetting artifacts.
- Type
- Instruments and Basic Astronomy
- Information
- Publications of the Astronomical Society of Australia , Volume 11 , Issue 1 , April 1994 , pp. 50 - 54
- Copyright
- Copyright © Astronomical Society of Australia 1994