A novel camera type for very high energy gamma-ray astronomy based on Geiger-mode avalanche photodiodes

Abstract

Geiger-mode avalanche photodiodes (G-APD) are promising new sensors for light detection in atmospheric Cherenkov telescopes. In this paper, the design and commissioning of a 36-pixel G-APD prototype camera is presented. The data acquisition is based on the Domino Ring Sampling (DRS2) chip. A sub-nanosecond time resolution has been achieved. Cosmic-ray induced air showers have been recorded using an imaging mirror setup, in a self-triggered mode. This is the first time that such measurements have been carried out with a complete G-APD camera.

9 pages with 11 figures

References in corpus (1)

• Improving the performance of the single-dish Cherenkov telescope MAGIC through the use of signal timing

Cited by in corpus (4)

• Design and Operation of FACT -- The First G-APD Cherenkov Telescope
• Using Muon Rings for the Calibration of the Cherenkov Telescope Array: A Systematic Review of the Method and its Potential Accuracy
• Cherenkov Telescopes as Optical Telescopes for Bright Sources: Today's Specialised Thirty Metre Telescopes?
• Characterization of EASIROC as Front-End for the readout of the SiPM at the focal plane of the Cherenkov telescope ASTRI