A Novel High Resolution High Frame Rate Detector Based On A Microchannel Plate Read Out With The Medipix2 Counting Cmos Pixel Chip

• doi: 10.1109/NSSMIC.2004.1466918
• title: A novel high resolution, high frame rate detector based on a microchannel plate read out with the Medipix2 counting CMOS pixel chip
• publisher: IEEE
• isbn: 0-7803-8701-5
• issn: 1082-3654
• partnum: 04CH37604
• rank: 1215
• access_type: LOCKED
• content_type: Conferences
• abstract: The future of ground-based optical astronomy lies with advancements in adaptive optics (AO) to overcome the limitations that the atmosphere places on high resolution imaging. A key technology for AO systems on future very large telescopes are the wavefront sensors (WFS) which detect the optical phase error and send corrections to deformable mirrors. Telescopes with >30 m diameters will require WFS detectors that have large pixel formats (512/spl times/512), low noise (<3 e/sup -//pixel) and very high frame rates (/spl sim/1 kHz). These requirements have led to the idea of a bare CMOS active pixel device (the Medipix2 chip) functioning in counting mode as an anode with noiseless readout for a microchannel plate (MCP) detector. First measurement results obtained with this novel detector are presented both for UV photons and beta particles.
• article_number: 1466918
• pdf_url: https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=1466918
• html_url: https://ieeexplore.ieee.org/document/1466918/
• abstract_url: https://ieeexplore.ieee.org/document/1466918/
• publication_title: IEEE Symposium Conference Record Nuclear Science 2004.
• conference_location: Rome, Italy
• conference_dates: 16-22 Oct. 2004
• publication_number: 9892
• is_number: 31439
• publication_year: 2004
• publication_date: 16-22 Oct. 2004
• start_page: 4657
• end_page: 4661 Vol. 7
• citing_paper_count: 0
• citing_patent_count: 0
• download_count: 75
• insert_date: 20050801
• index_terms:
  • ieee_terms:
    • Detectors
    • Microchannel
    • Optical sensors
    • Adaptive optics
    • Telescopes
    • Optical noise
    • CMOS image sensors
    • Astronomy
    • Atmosphere
    • High-resolution imaging
  • dynamic_index_terms:
    • High-resolution
    • High Frame Rate
    • Microchannel Plate
    • Pixel Chip
    • CMOS Pixel
    • Phase Error
    • Adaptive Optics
    • Deformable Mirror
    • Wavefront Sensor
    • Microchannel Plate Detector
    • MCP Detector
    • Spatial Resolution
    • Centroid
    • Lower Threshold
    • Radiation Source
    • Radioactive Source
    • Irradiation Source
    • Quantum Efficiency
    • Individual Events
    • Secondary Electron
    • Photon Counting
    • Local Spots
    • Short Acquisition Time
    • Photocathode
    • Secondary Electron Emission
    • Secondary Emission
    • Readout Noise
• isbn_formats:
  • format: Electronic ISBN, value: 0-7803-8701-5, isbnType: Historical
  • format: Print ISBN, value: 0-7803-8700-7, isbnType: Historical
• authors:
  • Author Name: B. Mikulec
    Affiliation: University of Genova, Switzerland
    Author URL: https://ieeexplore.ieee.org/author/37424771400
    ID: 37424771400
    Order: 1
    Author Affiliations:
    • University of Genova, Switzerland
  • Author Name: A. Clark
    Affiliation: Space Science Laboratory, University of California, Berkeley, CA, USA
    Author URL: https://ieeexplore.ieee.org/author/37277685800
    ID: 37277685800
    Order: 2
    Author Affiliations:
    • Space Science Laboratory, University of California, Berkeley, CA, USA
  • Author Name: J. Vallerga
    Affiliation: Space Science Laboratory, University of California, Berkeley, CA, USA
    Author URL: https://ieeexplore.ieee.org/author/37277395600
    ID: 37277395600
    Order: 3
    Author Affiliations:
    • Space Science Laboratory, University of California, Berkeley, CA, USA
  • Author Name: J. McPhate
    Affiliation: Space Science Laboratory, University of California, Berkeley, CA, USA
    Author URL: https://ieeexplore.ieee.org/author/37296489300
    ID: 37296489300
    Order: 4
    Author Affiliations:
    • Space Science Laboratory, University of California, Berkeley, CA, USA
  • Author Name: A. Tremsin
    Affiliation: Space Science Laboratory, University of California, Berkeley, CA, USA
    Author URL: https://ieeexplore.ieee.org/author/37277384300
    ID: 37277384300
    Order: 5
    Author Affiliations:
    • Space Science Laboratory, University of California, Berkeley, CA, USA
  • Author Name: O. Siegmund
    Affiliation: University of Genova, Switzerland
    Author URL: https://ieeexplore.ieee.org/author/37277398900
    ID: 37277398900
    Order: 6
    Author Affiliations:
    • University of Genova, Switzerland

Image Sensor

• sensor_type: CMOS
• resolution: 512x512
• dynamic_range: not specified
• pixel_size: 55 µm
• dark_current: <3 e-/pixel

Optical Data

• focal_length: not specified
• aperture: not specified
• field_of_view: not specified
• distortion: not specified

Performance Metrics

• frame_rate: 1 kHz
• noise: <3 e-

Applications & Benefits

• cell_imaging: Used for adaptive optics in ground-based astronomy to correct for atmospheric distortions.
• benefits: High frame rates, low noise operation, and high quantum efficiency for better imaging performance.

Supporting Organizations

• supported_by: CERN, University of California, Berkeley, University of Geneva

Manuscript Details

• publication_date: 16-22 Oct. 2004

Relevancy Score

• score: 10

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