X-ray telescope onboard Astro-E

Optical design and fabrication of thin foil mirrors

Hideyo Kunieda, Manabu Ishida, Takao Endo, Yasuhiro Hidaka, Hirohiko Honda, Kohsuke Imamura, Jun’ichi Ishida, Masamichi Maeda, Kazutami Misaki, Ryo Shibata, Akihiro Furuzawa, Kazutoshi Haga, Yasushi Ogasaka, Takashi Okajima, Yuzuru Tawara, Yuichi Terashima, Manabu Watanabe, Koujun Yamashita, Tsutomu Yoshioka, Peter J. Serlemitsos & 2 others Yang Soong, Kai Wing Chan

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

X-ray telescopes (XRT’s) of nested thin foil mirrors are developed for Astro-E, the fifth Japanese x-ray astronomy satellite. Although the launch was not successful, the design concept, fabrication, and alignment procedure are summarized. The main purpose of the Astro-E XRT is to collect hard x rays up to 10 keV with high efficiency and to provide medium spatial resolution in limited weight and volume. Compared with the previous mission, Advanced Satellite for Cosmology and Astrophysics (ASCA), a slightly longer focal length of 4.5–4.75 m and a larger diameter of 40 cm yields an effective area of 1750 cm 2 at 8 keV with five telescopes. The image quality is also improved to 2-arc min half-power diameter by introduction of a replication process. Platinum is used instead of gold for the reflectors of one of the five telescopes to enhance the high-energy response. The fabrication and alignment procedure is also summarized. Several methods for improvement are suggested for the reflight Astro-E II mission and for other future missions. Preflight calibration results will be described in a forthcoming second paper, and a detailed study of images will be presented in a third paper.

Original languageEnglish
Pages (from-to)553-564
Number of pages12
JournalApplied Optics
Volume40
Issue number4
DOIs
Publication statusPublished - 01-02-2001
Externally publishedYes

Fingerprint

Optical design
Telescopes
Metal foil
foils
telescopes
mirrors
Fabrication
X rays
fabrication
x rays
x ray astronomy
alignment
Satellites
Cosmology
Astrophysics
Astronomy
Image quality
reflectors
cosmology
Platinum

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

Kunieda, H., Ishida, M., Endo, T., Hidaka, Y., Honda, H., Imamura, K., ... Chan, K. W. (2001). X-ray telescope onboard Astro-E: Optical design and fabrication of thin foil mirrors. Applied Optics, 40(4), 553-564. https://doi.org/10.1364/AO.40.000553
Kunieda, Hideyo ; Ishida, Manabu ; Endo, Takao ; Hidaka, Yasuhiro ; Honda, Hirohiko ; Imamura, Kohsuke ; Ishida, Jun’ichi ; Maeda, Masamichi ; Misaki, Kazutami ; Shibata, Ryo ; Furuzawa, Akihiro ; Haga, Kazutoshi ; Ogasaka, Yasushi ; Okajima, Takashi ; Tawara, Yuzuru ; Terashima, Yuichi ; Watanabe, Manabu ; Yamashita, Koujun ; Yoshioka, Tsutomu ; Serlemitsos, Peter J. ; Soong, Yang ; Chan, Kai Wing. / X-ray telescope onboard Astro-E : Optical design and fabrication of thin foil mirrors. In: Applied Optics. 2001 ; Vol. 40, No. 4. pp. 553-564.
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Kunieda, H, Ishida, M, Endo, T, Hidaka, Y, Honda, H, Imamura, K, Ishida, J, Maeda, M, Misaki, K, Shibata, R, Furuzawa, A, Haga, K, Ogasaka, Y, Okajima, T, Tawara, Y, Terashima, Y, Watanabe, M, Yamashita, K, Yoshioka, T, Serlemitsos, PJ, Soong, Y & Chan, KW 2001, 'X-ray telescope onboard Astro-E: Optical design and fabrication of thin foil mirrors', Applied Optics, vol. 40, no. 4, pp. 553-564. https://doi.org/10.1364/AO.40.000553

X-ray telescope onboard Astro-E : Optical design and fabrication of thin foil mirrors. / Kunieda, Hideyo; Ishida, Manabu; Endo, Takao; Hidaka, Yasuhiro; Honda, Hirohiko; Imamura, Kohsuke; Ishida, Jun’ichi; Maeda, Masamichi; Misaki, Kazutami; Shibata, Ryo; Furuzawa, Akihiro; Haga, Kazutoshi; Ogasaka, Yasushi; Okajima, Takashi; Tawara, Yuzuru; Terashima, Yuichi; Watanabe, Manabu; Yamashita, Koujun; Yoshioka, Tsutomu; Serlemitsos, Peter J.; Soong, Yang; Chan, Kai Wing.

In: Applied Optics, Vol. 40, No. 4, 01.02.2001, p. 553-564.

Research output: Contribution to journalArticle

TY - JOUR

T1 - X-ray telescope onboard Astro-E

T2 - Optical design and fabrication of thin foil mirrors

AU - Kunieda, Hideyo

AU - Ishida, Manabu

AU - Endo, Takao

AU - Hidaka, Yasuhiro

AU - Honda, Hirohiko

AU - Imamura, Kohsuke

AU - Ishida, Jun’ichi

AU - Maeda, Masamichi

AU - Misaki, Kazutami

AU - Shibata, Ryo

AU - Furuzawa, Akihiro

AU - Haga, Kazutoshi

AU - Ogasaka, Yasushi

AU - Okajima, Takashi

AU - Tawara, Yuzuru

AU - Terashima, Yuichi

AU - Watanabe, Manabu

AU - Yamashita, Koujun

AU - Yoshioka, Tsutomu

AU - Serlemitsos, Peter J.

AU - Soong, Yang

AU - Chan, Kai Wing

PY - 2001/2/1

Y1 - 2001/2/1

N2 - X-ray telescopes (XRT’s) of nested thin foil mirrors are developed for Astro-E, the fifth Japanese x-ray astronomy satellite. Although the launch was not successful, the design concept, fabrication, and alignment procedure are summarized. The main purpose of the Astro-E XRT is to collect hard x rays up to 10 keV with high efficiency and to provide medium spatial resolution in limited weight and volume. Compared with the previous mission, Advanced Satellite for Cosmology and Astrophysics (ASCA), a slightly longer focal length of 4.5–4.75 m and a larger diameter of 40 cm yields an effective area of 1750 cm 2 at 8 keV with five telescopes. The image quality is also improved to 2-arc min half-power diameter by introduction of a replication process. Platinum is used instead of gold for the reflectors of one of the five telescopes to enhance the high-energy response. The fabrication and alignment procedure is also summarized. Several methods for improvement are suggested for the reflight Astro-E II mission and for other future missions. Preflight calibration results will be described in a forthcoming second paper, and a detailed study of images will be presented in a third paper.

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Kunieda H, Ishida M, Endo T, Hidaka Y, Honda H, Imamura K et al. X-ray telescope onboard Astro-E: Optical design and fabrication of thin foil mirrors. Applied Optics. 2001 Feb 1;40(4):553-564. https://doi.org/10.1364/AO.40.000553