Measurement of the Charge Cloud Shape Generated in the Fully Depleted Back-Illuminated Charge-Coupled Device

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概要

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• The mesh experiment enables us to specify the X-ray point of interaction with a subpixel resolution. Miyata et al. [Jpn. J. Appl. Phys. 41 (2002) 5827] measured the charge cloud shape produced in a back-illuminated (BI) charge-coupled device (CCD). They found that there are two components of the charge cloud shape: a narrow component and a broad component. The size of the narrow component is 2.8–5.7 μm in units of standard deviation and strongly depends on the attenuation length of incident X-rays in Si, suggesting that it originates in the depletion region. On the other hand, the size of the broad component is roughly constant at ${\simeq}13$ μm and does not depend on X-ray energies, suggesting that it originates in the field-free region. We applied the mesh experiment with the fully depleted BI CCD and found that there is a single component of the charge cloud with a size similar to that of the narrow component in Miyata et al.’s. We thus confirmed that the narrow and broad components originate in the depletion region and the field-free region, respectively.

• 2003-11-15

著者

• Miyata Emi

  Department Of Earth And Space Science Graduate School Of Science Osaka University

• Tsunemi Hiroshi

  Department Of Earth And Space Science Graduate School Of Science Osaka University

• KAMIYAMA Daisuke

  Department of Earth & Space Science, Graduate School of Science, Osaka University

• MIKI Masami

  Department of Earth & Space Science, Graduate School of Science, Osaka University

• Miyaguchi Kazuhisa

  Solid State Division Hamamatsu Photonics K. K.

• Miki Masami

  Department of Earth & Space Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan

• TSUNEMI Hiroshi

  Department of Astrophysics, Faculty of Science, Osaka University

• Tsunemi Hiroshi

  Department of Earth & Space Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan

• MIYATA Emi

  Department of Astrophysics, Faculty of Science, Osaka University

• Miyata Emi

  Department of Earth & Space Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan

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