Development of the scintillator-deposited charge-coupled device and application for the balloon-borne experiment, SUMIT

E. Miyata, K. Mukai, K. Ikegami, N. Tawa, N. Anabuki, H. Tsunemi, Y. Ogasaka, K. Tamura, A. Furuzawa, R. Shibata, Y. Haba, H. Kunieda, Y. Saito, T. Yamagami, K. Miyaguchi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

We report on a new photon-counting detector possessing unprecedented spatial resolution and moderate spectral resolution for 0.5-100 keV X-rays. It consists of an X-ray charge-coupled device (CCD) and a scintillator. The scintillator is directly coupled to the back surface of the X-ray CCD. Low-energy X-rays below 10keV can be directly detected by the CCD. The majority of hard X-rays above 10keV pass through the CCD but can be absorbed by the scintillator, generating visible photons. We employ the needlelike CsI(Tl) in order to prevent the lateral spread of visible photons. We performed the Monte Carlo simulation with DETECT2000 both to maximize the number of visible photons detected by the CCD and to minimize the lateral spread of visible photons on the CCD. We then fabricated the optimized needlelike CsI(Tl) with 300 μm thick and coupled it on the front surface of the back-illuminated (BI) CCD. The high detection efficiency of BI CCDs in the visible band enables us to collect visible photons emitted from the CsI(Tl) efficiently, leading to the moderate spectral resolution of 30% at 59.5 keV combined with the high detection efficiency for hard X-rays. We plan to perform the hard X-ray imaging balloon-borne experiment, SUMIT, in autumn of 2006 at Brazil. We also describe the details about the balloon system of the SD-CCD.

Original languageEnglish
Title of host publicationSpace Telescopes and Instrumentation II
Subtitle of host publicationUltraviolet to Gamma Ray
DOIs
Publication statusPublished - 02-10-2006
EventSpace Telescopes and Instrumentation II: Ultraviolet to Gamma Ray - Orlando, FL, United States
Duration: 24-05-200631-05-2006

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume6266 II
ISSN (Print)0277-786X

Other

OtherSpace Telescopes and Instrumentation II: Ultraviolet to Gamma Ray
CountryUnited States
CityOrlando, FL
Period24-05-0631-05-06

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Miyata, E., Mukai, K., Ikegami, K., Tawa, N., Anabuki, N., Tsunemi, H., Ogasaka, Y., Tamura, K., Furuzawa, A., Shibata, R., Haba, Y., Kunieda, H., Saito, Y., Yamagami, T., & Miyaguchi, K. (2006). Development of the scintillator-deposited charge-coupled device and application for the balloon-borne experiment, SUMIT. In Space Telescopes and Instrumentation II: Ultraviolet to Gamma Ray [62662S] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 6266 II). https://doi.org/10.1117/12.671018