Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Alan W. Hoffman"'
Publikováno v:
Experimental Astronomy. 19:111-134
An entry level overview of state-of-the-art CMOS detector technology is presented. Operating principles and system architecture are explained in comparison to the well-established CCD technology, followed by a discussion of important benefits of mode
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38d29d62cbc89dfbc46b8ed5497a0979
https://doi.org/10.1007/s10686-005-9013-2
https://doi.org/10.1007/s10686-005-9013-2
Autor:
Hamid Mehrgan, Joerg Stegmeier, Reinhold J. Dorn, Manfred Meyer, Gert Finger, Alan Moorwood, Alan W. Hoffman
Publikováno v:
Experimental Astronomy. 14:117-127
Three different methods are presented to subtract thermal drifts and low-frequency noise from the signal of infrared array. The first is dead pixels with open Indium bumps, the second is reference output as implemented on the Hawaii2 multiplexer, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6cd456b4bd1886dcd056ee8f64649f66
https://doi.org/10.1023/b:expa.0000004359.58784.3e
https://doi.org/10.1023/b:expa.0000004359.58784.3e
Publikováno v:
Review of Scientific Instruments. 68:3566-3578
Space astronomy requires large-area cryogenic infrared focal plane arrays (FPAs) with high quantum efficiency, extremely low dark current, low power dissipation, and background limited noise performance. To meet these requirements, especially at temp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0403124c76fd5efdf9cc651ce3420e3f
https://doi.org/10.1063/1.1148324
https://doi.org/10.1063/1.1148324
Autor:
Alan W. Hoffman, James T. Woolaway
Publikováno v:
Experimental Astronomy. 3:211-217
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75f1db6580524a436035c9202c10d99f
https://doi.org/10.1007/bf00430166
https://doi.org/10.1007/bf00430166
Autor:
Beuville Eric J, Elizabeth Corrales, Alan W. Hoffman, Gert Finger, Derek Ives, Robert E. Mills
Publikováno v:
SPIE Proceedings.
Raytheon Vision Systems (RVS) has developed a family of high performance large format infrared (IR) detector arrays whose detectors are most effective for the detection of long and very long wavelength IR energy. This paper describes the evolution of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7a546fdfcc8ccb5b479b292b166a310
https://doi.org/10.1117/12.897292
https://doi.org/10.1117/12.897292
Autor:
Brian Starr, Elisabeth Corrales, Joseph Sienicki, Charles Rabkin, Alan W. Hoffman, Jam Farhoomand, David Sisson, Jeffrey W. Beeman, Robert E. McMurray
Publikováno v:
SPIE Proceedings.
Development of large format, far infrared focal-plane arrays has been identified as a pressing need for future astronomical instruments. In particular, array sizes as large as 128x128 with sensitivities equal to or better than 10 -18 W/√Hz are the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b73aac141f3dd469a1fbeab940b7696d
https://doi.org/10.1117/12.789506
https://doi.org/10.1117/12.789506
Autor:
Alan W. Hoffman, Scott M. Taylor, Ellie Hadjiyska, David Acton, Alan Levy, Brian Starr, Sean F. Harris, Justin Gordon Adams Wehner, Jonathan Getty
Publikováno v:
SPIE Proceedings.
Raytheon has developed SWIR and Visible-SWIR Focal Plane Arrays (FPAs) with over one million pixels that meet the demanding requirements of astronomy, night vision, and other low background systems. FPA formats are 1280 × 1024, 1024 × 1024 and 2048
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad909e8c5cc3bba53771efa65f922b32
https://doi.org/10.1117/12.735905
https://doi.org/10.1117/12.735905
Autor:
Alan W. Hoffman, Joe P. Rosbeck, Roger S. Holcombe, William D. Ritchie, Peter J. Love, Ken J. Ando, Neil J. Therrien, Elizabeth Corrales
Publikováno v:
Scientific detectors for astronomy 2005 ISBN: 9781402043291
The demand for large-format NIR arrays has grown for both ground-based and space-based applications. These arrays are required for maintaining high resolution over very large fields of view for survey work. We describe results of the development of a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0caac45b9f0539de0b99f5179c9ac8d7
https://doi.org/10.1007/1-4020-4330-9_44
https://doi.org/10.1007/1-4020-4330-9_44
Publikováno v:
Scientific detectors for astronomy 2005 ISBN: 9781402043291
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eaf9ce584baba43941f4b39f9aafc79b
https://doi.org/10.1007/1-4020-4330-9_42
https://doi.org/10.1007/1-4020-4330-9_42
Publikováno v:
Scientific detectors for astronomy 2005 ISBN: 9781402043291
1K x 1K Si:As Impurity Band Conduction (IBC) arrays have been developed by Raytheon Vision Systems for the James Webb Space Telescope (JWST) Mid-Infrared Instrument (MIRI). These devices are also suitable for other low-background applications. The Si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::250749c5525022418d67dc6e26fbc7eb
https://doi.org/10.1007/1-4020-4330-9_45
https://doi.org/10.1007/1-4020-4330-9_45