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Proceedings Paper

High-speed pn-CCDs as imaging detectors from 200 to 1200 nm
Author(s): Lothar Strueder; Robert Hartmann; Peter Holl; Josef Kemmer; Norbert Krause; Peter Lechner; Gerhard Lutz; Norbert Meidinger; Rainer H. Richter; Heike Soltau; Joachim E. Truemper; Christoph von Zanthier
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Paper Abstract

Fully depleted silicon pn-CCDs with an active thickness of 300 micrometers exhibit a quantum efficiency of 90 percent at a wavelength of 1 micrometers in the near IR. The multi-parallel readout architecture allows for a frame time shorter than 2 ms for a device having a format of 256 by 256 pixel. It can be operated in a full frame mode and in a frame store mode. The pixel size is 50 micrometers by 50 micrometers . The active area is then 12.8 by 12.8 mm2. Cooled down to -90 degrees C the electronic noise floor is below 5 electrons at 50 Megapixel per second. Quantum efficiency measurements will be shown as well as the physical models of the radiation entrance window. A camera system with comparable specifications - except for the pixel size - was already fabricated for ESA's XMM-NEWTON satellite mission, which was launched in early December 1999. The active size of the detector is 60 by 60 mm2 with a readout time of 4 ms. Future work includes the extension of the active area to 1000 by 1000 pixel, monolithically fabricated on a high resistivity 6 inch silicon wafer. The main driver for this development is ESA's planned XEUS mission, to be launched at the end of the next decade.

Paper Details

Date Published: 16 August 2000
PDF: 7 pages
Proc. SPIE 4008, Optical and IR Telescope Instrumentation and Detectors, (16 August 2000); doi: 10.1117/12.395494
Show Author Affiliations
Lothar Strueder, Max-Planck-Institut fuer extraterrestrische Physik (Germany)
Robert Hartmann, Max-Planck-Institut fuer extraterrestrische Physik (Germany)
Peter Holl, KETEK GmbH (Germany)
Josef Kemmer, KETEK GmbH (Germany)
Norbert Krause, Max-Planck-Institut fuer extraterrestrische Physik (Australia)
Peter Lechner, KETEK GmbH (Germany)
Gerhard Lutz, Max-Planck-Institut fuer Physik (Germany)
Norbert Meidinger, Max-Planck-Institut fuer extraterrestrische Physik (Germany)
Rainer H. Richter, Max-Planck-Institut fuer Physik (Germany)
Heike Soltau, KETEK GmbH (Germany)
Joachim E. Truemper, Max-Planck-Institut fuer extraterrestrische Physik (Germany)
Christoph von Zanthier, KETEK GmbH (Germany)


Published in SPIE Proceedings Vol. 4008:
Optical and IR Telescope Instrumentation and Detectors
Masanori Iye; Alan F. M. Moorwood, Editor(s)

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