Abstract

We tested the optical performance at cryogenic temperatures of an 800mm diameter lightweight mirror, consisting of carbon-fiber reinforced silicon carbide and with a mass of 11.2kg. The ceramic composite of the mirror was HB-Cesic, developed by ECM, Germany, and Mitsubishi Electric Corporation, Japan. The test was carried out while the mirror was mounted, via Invar stress relief supports, on a lightweight optical bench also made of HB-Cesic. During the test, both the mirror and the optical bench were cooled to 18K in a liquid-helium chamber. The test consisted of measuring the mirror's change of surface figure with an interferometer installed outside the cryo-chamber. The cryogenic deformation of the mirror was 110nm RMS with no significant residual deformation after cooling, which is very promising for the applicability of the HB-Cesic composite to large lightweight cryogenic space optics.

© 2010 Optical Society of America

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  1. H. Kaneda, T. Onaka, T. Nakagawa, K. Enya, H. Murakami, R. Yamashiro, T. Ezaki, Y. Numao, and Y. Sugiyama, “Cryogenic optical performance of the ASTRO-F SiC telescope,” Appl. Opt. 44, 6823–6832 (2005).
    [CrossRef] [PubMed]
  2. Y. Toulemont, T. Passvogel, G. L. Pilbratt, D. de Chambure, D. Pierot, and D. Castel, “The 3.5m all-SiC telescope for HERSCHEL,” Proc. SPIE 5487, 1119–1128 (2004).
    [CrossRef]
  3. T. Nakagawa and H. Murakami, “SPICA, cooled telescope optimized for mid- and far-infrared astronomy,” Adv. Space Res. 40, 679–683 (2007).
    [CrossRef]
  4. H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, H. Kataza, S. Makiuti, H. Matsuhara, M. Miyamoto, H. Murakami, H. Saruwatari, H. Watarai, and Y. Y. Yui, “Development of lightweight SiC Mirrors for the Space Infrared Telescope for Cosmology and Astrophysics (SPICA) mission,” Proc. SPIE 6666, 666607 (2007).
    [CrossRef]
  5. T. Ozaki, M. Kume, T. Oshima, T. Nakagawa, T. Matsumoto, H. Kaneda, H. Murakami, H. Kataza, K. Enya, Y. Yui, T. Onaka, and M. Kroedel, “Mechanical and thermal performance of C/SiC composites for SPICA mirror,” Proc. SPIE 5868, 132–141 (2005).
    [CrossRef]
  6. H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, S. Makiuti, J. Takaki, M. Haruna, M. Kume, and T. Ozaki, “Cryogenic optical measurements of 12-segment-bonded carbon-fiber-reinforced silicon carbide composite mirror with support mechanism,” Appl. Opt. 47, 1122–1128 (2008).
    [CrossRef] [PubMed]
  7. M. R. Krödel and T. Ozaki, “HB-Cesic composite for space optics and structures,” Proc. SPIE 6666, 66660E (2007).
    [CrossRef]
  8. M. R. Krödel, T. Ozaki, M. Kume, A. Furuya, Y. Y. Yui, H. Imai, H. Katayama, Y. Tange, T. Nakagawa, and H. Kaneda, “Manufacturing and performance test of an 800mm space optic,” Proc. SPIE 7018, 70180A (2008).
    [CrossRef]
  9. Y. Y. Yui, K. Goto, H. Kaneda, H. Katayama, M. Kotani, M. Miyamoto, M. Naito, T. Nakagawa, H. Saruwatari, M. Suganuma, H. Sugita, Y. Tange, S. Utsunomiya, Y. Yamamoto, and T. Yamawaki, “Performance of lightweight large C/SiC mirror,” in Proceedings ICSO 2008 (2008), http://www.icsoconference2008.com/cd/page_30sessions.pdf.
  10. M. R. Krödel, M. J. Collon, R. Graue, and D. Kampf, “Cesic and silicon: a perfect combination for high performance applications,” Proc. SPIE 6666, 66660M (2007).
    [CrossRef]
  11. H. Kaneda, T. Onaka, R. Yamashiro, and T. Nakagawa, “Optical performance of the ASTRO-F telescope at cryogenic temperatures,” Proc. SPIE 4850, 230–240(2003).
    [CrossRef]
  12. C. Devilliers, P. Martin, M. Krödel, and C. de Jeu, “ULT final review” (ESA ESTEC, 2010)

2008 (2)

M. R. Krödel, T. Ozaki, M. Kume, A. Furuya, Y. Y. Yui, H. Imai, H. Katayama, Y. Tange, T. Nakagawa, and H. Kaneda, “Manufacturing and performance test of an 800mm space optic,” Proc. SPIE 7018, 70180A (2008).
[CrossRef]

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, S. Makiuti, J. Takaki, M. Haruna, M. Kume, and T. Ozaki, “Cryogenic optical measurements of 12-segment-bonded carbon-fiber-reinforced silicon carbide composite mirror with support mechanism,” Appl. Opt. 47, 1122–1128 (2008).
[CrossRef] [PubMed]

2007 (4)

M. R. Krödel, M. J. Collon, R. Graue, and D. Kampf, “Cesic and silicon: a perfect combination for high performance applications,” Proc. SPIE 6666, 66660M (2007).
[CrossRef]

T. Nakagawa and H. Murakami, “SPICA, cooled telescope optimized for mid- and far-infrared astronomy,” Adv. Space Res. 40, 679–683 (2007).
[CrossRef]

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, H. Kataza, S. Makiuti, H. Matsuhara, M. Miyamoto, H. Murakami, H. Saruwatari, H. Watarai, and Y. Y. Yui, “Development of lightweight SiC Mirrors for the Space Infrared Telescope for Cosmology and Astrophysics (SPICA) mission,” Proc. SPIE 6666, 666607 (2007).
[CrossRef]

M. R. Krödel and T. Ozaki, “HB-Cesic composite for space optics and structures,” Proc. SPIE 6666, 66660E (2007).
[CrossRef]

2005 (2)

T. Ozaki, M. Kume, T. Oshima, T. Nakagawa, T. Matsumoto, H. Kaneda, H. Murakami, H. Kataza, K. Enya, Y. Yui, T. Onaka, and M. Kroedel, “Mechanical and thermal performance of C/SiC composites for SPICA mirror,” Proc. SPIE 5868, 132–141 (2005).
[CrossRef]

H. Kaneda, T. Onaka, T. Nakagawa, K. Enya, H. Murakami, R. Yamashiro, T. Ezaki, Y. Numao, and Y. Sugiyama, “Cryogenic optical performance of the ASTRO-F SiC telescope,” Appl. Opt. 44, 6823–6832 (2005).
[CrossRef] [PubMed]

2004 (1)

Y. Toulemont, T. Passvogel, G. L. Pilbratt, D. de Chambure, D. Pierot, and D. Castel, “The 3.5m all-SiC telescope for HERSCHEL,” Proc. SPIE 5487, 1119–1128 (2004).
[CrossRef]

2003 (1)

H. Kaneda, T. Onaka, R. Yamashiro, and T. Nakagawa, “Optical performance of the ASTRO-F telescope at cryogenic temperatures,” Proc. SPIE 4850, 230–240(2003).
[CrossRef]

Castel, D.

Y. Toulemont, T. Passvogel, G. L. Pilbratt, D. de Chambure, D. Pierot, and D. Castel, “The 3.5m all-SiC telescope for HERSCHEL,” Proc. SPIE 5487, 1119–1128 (2004).
[CrossRef]

Collon, M. J.

M. R. Krödel, M. J. Collon, R. Graue, and D. Kampf, “Cesic and silicon: a perfect combination for high performance applications,” Proc. SPIE 6666, 66660M (2007).
[CrossRef]

de Chambure, D.

Y. Toulemont, T. Passvogel, G. L. Pilbratt, D. de Chambure, D. Pierot, and D. Castel, “The 3.5m all-SiC telescope for HERSCHEL,” Proc. SPIE 5487, 1119–1128 (2004).
[CrossRef]

de Jeu, C.

C. Devilliers, P. Martin, M. Krödel, and C. de Jeu, “ULT final review” (ESA ESTEC, 2010)

Devilliers, C.

C. Devilliers, P. Martin, M. Krödel, and C. de Jeu, “ULT final review” (ESA ESTEC, 2010)

Enya, K.

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, S. Makiuti, J. Takaki, M. Haruna, M. Kume, and T. Ozaki, “Cryogenic optical measurements of 12-segment-bonded carbon-fiber-reinforced silicon carbide composite mirror with support mechanism,” Appl. Opt. 47, 1122–1128 (2008).
[CrossRef] [PubMed]

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, H. Kataza, S. Makiuti, H. Matsuhara, M. Miyamoto, H. Murakami, H. Saruwatari, H. Watarai, and Y. Y. Yui, “Development of lightweight SiC Mirrors for the Space Infrared Telescope for Cosmology and Astrophysics (SPICA) mission,” Proc. SPIE 6666, 666607 (2007).
[CrossRef]

T. Ozaki, M. Kume, T. Oshima, T. Nakagawa, T. Matsumoto, H. Kaneda, H. Murakami, H. Kataza, K. Enya, Y. Yui, T. Onaka, and M. Kroedel, “Mechanical and thermal performance of C/SiC composites for SPICA mirror,” Proc. SPIE 5868, 132–141 (2005).
[CrossRef]

H. Kaneda, T. Onaka, T. Nakagawa, K. Enya, H. Murakami, R. Yamashiro, T. Ezaki, Y. Numao, and Y. Sugiyama, “Cryogenic optical performance of the ASTRO-F SiC telescope,” Appl. Opt. 44, 6823–6832 (2005).
[CrossRef] [PubMed]

Ezaki, T.

Furuya, A.

M. R. Krödel, T. Ozaki, M. Kume, A. Furuya, Y. Y. Yui, H. Imai, H. Katayama, Y. Tange, T. Nakagawa, and H. Kaneda, “Manufacturing and performance test of an 800mm space optic,” Proc. SPIE 7018, 70180A (2008).
[CrossRef]

Goto, K.

Y. Y. Yui, K. Goto, H. Kaneda, H. Katayama, M. Kotani, M. Miyamoto, M. Naito, T. Nakagawa, H. Saruwatari, M. Suganuma, H. Sugita, Y. Tange, S. Utsunomiya, Y. Yamamoto, and T. Yamawaki, “Performance of lightweight large C/SiC mirror,” in Proceedings ICSO 2008 (2008), http://www.icsoconference2008.com/cd/page_30sessions.pdf.

Graue, R.

M. R. Krödel, M. J. Collon, R. Graue, and D. Kampf, “Cesic and silicon: a perfect combination for high performance applications,” Proc. SPIE 6666, 66660M (2007).
[CrossRef]

Haruna, M.

Imai, H.

M. R. Krödel, T. Ozaki, M. Kume, A. Furuya, Y. Y. Yui, H. Imai, H. Katayama, Y. Tange, T. Nakagawa, and H. Kaneda, “Manufacturing and performance test of an 800mm space optic,” Proc. SPIE 7018, 70180A (2008).
[CrossRef]

Kampf, D.

M. R. Krödel, M. J. Collon, R. Graue, and D. Kampf, “Cesic and silicon: a perfect combination for high performance applications,” Proc. SPIE 6666, 66660M (2007).
[CrossRef]

Kaneda, H.

M. R. Krödel, T. Ozaki, M. Kume, A. Furuya, Y. Y. Yui, H. Imai, H. Katayama, Y. Tange, T. Nakagawa, and H. Kaneda, “Manufacturing and performance test of an 800mm space optic,” Proc. SPIE 7018, 70180A (2008).
[CrossRef]

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, S. Makiuti, J. Takaki, M. Haruna, M. Kume, and T. Ozaki, “Cryogenic optical measurements of 12-segment-bonded carbon-fiber-reinforced silicon carbide composite mirror with support mechanism,” Appl. Opt. 47, 1122–1128 (2008).
[CrossRef] [PubMed]

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, H. Kataza, S. Makiuti, H. Matsuhara, M. Miyamoto, H. Murakami, H. Saruwatari, H. Watarai, and Y. Y. Yui, “Development of lightweight SiC Mirrors for the Space Infrared Telescope for Cosmology and Astrophysics (SPICA) mission,” Proc. SPIE 6666, 666607 (2007).
[CrossRef]

T. Ozaki, M. Kume, T. Oshima, T. Nakagawa, T. Matsumoto, H. Kaneda, H. Murakami, H. Kataza, K. Enya, Y. Yui, T. Onaka, and M. Kroedel, “Mechanical and thermal performance of C/SiC composites for SPICA mirror,” Proc. SPIE 5868, 132–141 (2005).
[CrossRef]

H. Kaneda, T. Onaka, T. Nakagawa, K. Enya, H. Murakami, R. Yamashiro, T. Ezaki, Y. Numao, and Y. Sugiyama, “Cryogenic optical performance of the ASTRO-F SiC telescope,” Appl. Opt. 44, 6823–6832 (2005).
[CrossRef] [PubMed]

H. Kaneda, T. Onaka, R. Yamashiro, and T. Nakagawa, “Optical performance of the ASTRO-F telescope at cryogenic temperatures,” Proc. SPIE 4850, 230–240(2003).
[CrossRef]

Y. Y. Yui, K. Goto, H. Kaneda, H. Katayama, M. Kotani, M. Miyamoto, M. Naito, T. Nakagawa, H. Saruwatari, M. Suganuma, H. Sugita, Y. Tange, S. Utsunomiya, Y. Yamamoto, and T. Yamawaki, “Performance of lightweight large C/SiC mirror,” in Proceedings ICSO 2008 (2008), http://www.icsoconference2008.com/cd/page_30sessions.pdf.

Katayama, H.

M. R. Krödel, T. Ozaki, M. Kume, A. Furuya, Y. Y. Yui, H. Imai, H. Katayama, Y. Tange, T. Nakagawa, and H. Kaneda, “Manufacturing and performance test of an 800mm space optic,” Proc. SPIE 7018, 70180A (2008).
[CrossRef]

Y. Y. Yui, K. Goto, H. Kaneda, H. Katayama, M. Kotani, M. Miyamoto, M. Naito, T. Nakagawa, H. Saruwatari, M. Suganuma, H. Sugita, Y. Tange, S. Utsunomiya, Y. Yamamoto, and T. Yamawaki, “Performance of lightweight large C/SiC mirror,” in Proceedings ICSO 2008 (2008), http://www.icsoconference2008.com/cd/page_30sessions.pdf.

Kataza, H.

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, H. Kataza, S. Makiuti, H. Matsuhara, M. Miyamoto, H. Murakami, H. Saruwatari, H. Watarai, and Y. Y. Yui, “Development of lightweight SiC Mirrors for the Space Infrared Telescope for Cosmology and Astrophysics (SPICA) mission,” Proc. SPIE 6666, 666607 (2007).
[CrossRef]

T. Ozaki, M. Kume, T. Oshima, T. Nakagawa, T. Matsumoto, H. Kaneda, H. Murakami, H. Kataza, K. Enya, Y. Yui, T. Onaka, and M. Kroedel, “Mechanical and thermal performance of C/SiC composites for SPICA mirror,” Proc. SPIE 5868, 132–141 (2005).
[CrossRef]

Kotani, M.

Y. Y. Yui, K. Goto, H. Kaneda, H. Katayama, M. Kotani, M. Miyamoto, M. Naito, T. Nakagawa, H. Saruwatari, M. Suganuma, H. Sugita, Y. Tange, S. Utsunomiya, Y. Yamamoto, and T. Yamawaki, “Performance of lightweight large C/SiC mirror,” in Proceedings ICSO 2008 (2008), http://www.icsoconference2008.com/cd/page_30sessions.pdf.

Krödel, M.

C. Devilliers, P. Martin, M. Krödel, and C. de Jeu, “ULT final review” (ESA ESTEC, 2010)

Krödel, M. R.

M. R. Krödel, T. Ozaki, M. Kume, A. Furuya, Y. Y. Yui, H. Imai, H. Katayama, Y. Tange, T. Nakagawa, and H. Kaneda, “Manufacturing and performance test of an 800mm space optic,” Proc. SPIE 7018, 70180A (2008).
[CrossRef]

M. R. Krödel, M. J. Collon, R. Graue, and D. Kampf, “Cesic and silicon: a perfect combination for high performance applications,” Proc. SPIE 6666, 66660M (2007).
[CrossRef]

M. R. Krödel and T. Ozaki, “HB-Cesic composite for space optics and structures,” Proc. SPIE 6666, 66660E (2007).
[CrossRef]

Kroedel, M.

T. Ozaki, M. Kume, T. Oshima, T. Nakagawa, T. Matsumoto, H. Kaneda, H. Murakami, H. Kataza, K. Enya, Y. Yui, T. Onaka, and M. Kroedel, “Mechanical and thermal performance of C/SiC composites for SPICA mirror,” Proc. SPIE 5868, 132–141 (2005).
[CrossRef]

Kume, M.

M. R. Krödel, T. Ozaki, M. Kume, A. Furuya, Y. Y. Yui, H. Imai, H. Katayama, Y. Tange, T. Nakagawa, and H. Kaneda, “Manufacturing and performance test of an 800mm space optic,” Proc. SPIE 7018, 70180A (2008).
[CrossRef]

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, S. Makiuti, J. Takaki, M. Haruna, M. Kume, and T. Ozaki, “Cryogenic optical measurements of 12-segment-bonded carbon-fiber-reinforced silicon carbide composite mirror with support mechanism,” Appl. Opt. 47, 1122–1128 (2008).
[CrossRef] [PubMed]

T. Ozaki, M. Kume, T. Oshima, T. Nakagawa, T. Matsumoto, H. Kaneda, H. Murakami, H. Kataza, K. Enya, Y. Yui, T. Onaka, and M. Kroedel, “Mechanical and thermal performance of C/SiC composites for SPICA mirror,” Proc. SPIE 5868, 132–141 (2005).
[CrossRef]

Makiuti, S.

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, S. Makiuti, J. Takaki, M. Haruna, M. Kume, and T. Ozaki, “Cryogenic optical measurements of 12-segment-bonded carbon-fiber-reinforced silicon carbide composite mirror with support mechanism,” Appl. Opt. 47, 1122–1128 (2008).
[CrossRef] [PubMed]

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, H. Kataza, S. Makiuti, H. Matsuhara, M. Miyamoto, H. Murakami, H. Saruwatari, H. Watarai, and Y. Y. Yui, “Development of lightweight SiC Mirrors for the Space Infrared Telescope for Cosmology and Astrophysics (SPICA) mission,” Proc. SPIE 6666, 666607 (2007).
[CrossRef]

Martin, P.

C. Devilliers, P. Martin, M. Krödel, and C. de Jeu, “ULT final review” (ESA ESTEC, 2010)

Matsuhara, H.

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, H. Kataza, S. Makiuti, H. Matsuhara, M. Miyamoto, H. Murakami, H. Saruwatari, H. Watarai, and Y. Y. Yui, “Development of lightweight SiC Mirrors for the Space Infrared Telescope for Cosmology and Astrophysics (SPICA) mission,” Proc. SPIE 6666, 666607 (2007).
[CrossRef]

Matsumoto, T.

T. Ozaki, M. Kume, T. Oshima, T. Nakagawa, T. Matsumoto, H. Kaneda, H. Murakami, H. Kataza, K. Enya, Y. Yui, T. Onaka, and M. Kroedel, “Mechanical and thermal performance of C/SiC composites for SPICA mirror,” Proc. SPIE 5868, 132–141 (2005).
[CrossRef]

Miyamoto, M.

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, H. Kataza, S. Makiuti, H. Matsuhara, M. Miyamoto, H. Murakami, H. Saruwatari, H. Watarai, and Y. Y. Yui, “Development of lightweight SiC Mirrors for the Space Infrared Telescope for Cosmology and Astrophysics (SPICA) mission,” Proc. SPIE 6666, 666607 (2007).
[CrossRef]

Y. Y. Yui, K. Goto, H. Kaneda, H. Katayama, M. Kotani, M. Miyamoto, M. Naito, T. Nakagawa, H. Saruwatari, M. Suganuma, H. Sugita, Y. Tange, S. Utsunomiya, Y. Yamamoto, and T. Yamawaki, “Performance of lightweight large C/SiC mirror,” in Proceedings ICSO 2008 (2008), http://www.icsoconference2008.com/cd/page_30sessions.pdf.

Murakami, H.

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, H. Kataza, S. Makiuti, H. Matsuhara, M. Miyamoto, H. Murakami, H. Saruwatari, H. Watarai, and Y. Y. Yui, “Development of lightweight SiC Mirrors for the Space Infrared Telescope for Cosmology and Astrophysics (SPICA) mission,” Proc. SPIE 6666, 666607 (2007).
[CrossRef]

T. Nakagawa and H. Murakami, “SPICA, cooled telescope optimized for mid- and far-infrared astronomy,” Adv. Space Res. 40, 679–683 (2007).
[CrossRef]

T. Ozaki, M. Kume, T. Oshima, T. Nakagawa, T. Matsumoto, H. Kaneda, H. Murakami, H. Kataza, K. Enya, Y. Yui, T. Onaka, and M. Kroedel, “Mechanical and thermal performance of C/SiC composites for SPICA mirror,” Proc. SPIE 5868, 132–141 (2005).
[CrossRef]

H. Kaneda, T. Onaka, T. Nakagawa, K. Enya, H. Murakami, R. Yamashiro, T. Ezaki, Y. Numao, and Y. Sugiyama, “Cryogenic optical performance of the ASTRO-F SiC telescope,” Appl. Opt. 44, 6823–6832 (2005).
[CrossRef] [PubMed]

Naito, M.

Y. Y. Yui, K. Goto, H. Kaneda, H. Katayama, M. Kotani, M. Miyamoto, M. Naito, T. Nakagawa, H. Saruwatari, M. Suganuma, H. Sugita, Y. Tange, S. Utsunomiya, Y. Yamamoto, and T. Yamawaki, “Performance of lightweight large C/SiC mirror,” in Proceedings ICSO 2008 (2008), http://www.icsoconference2008.com/cd/page_30sessions.pdf.

Nakagawa, T.

M. R. Krödel, T. Ozaki, M. Kume, A. Furuya, Y. Y. Yui, H. Imai, H. Katayama, Y. Tange, T. Nakagawa, and H. Kaneda, “Manufacturing and performance test of an 800mm space optic,” Proc. SPIE 7018, 70180A (2008).
[CrossRef]

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, S. Makiuti, J. Takaki, M. Haruna, M. Kume, and T. Ozaki, “Cryogenic optical measurements of 12-segment-bonded carbon-fiber-reinforced silicon carbide composite mirror with support mechanism,” Appl. Opt. 47, 1122–1128 (2008).
[CrossRef] [PubMed]

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, H. Kataza, S. Makiuti, H. Matsuhara, M. Miyamoto, H. Murakami, H. Saruwatari, H. Watarai, and Y. Y. Yui, “Development of lightweight SiC Mirrors for the Space Infrared Telescope for Cosmology and Astrophysics (SPICA) mission,” Proc. SPIE 6666, 666607 (2007).
[CrossRef]

T. Nakagawa and H. Murakami, “SPICA, cooled telescope optimized for mid- and far-infrared astronomy,” Adv. Space Res. 40, 679–683 (2007).
[CrossRef]

T. Ozaki, M. Kume, T. Oshima, T. Nakagawa, T. Matsumoto, H. Kaneda, H. Murakami, H. Kataza, K. Enya, Y. Yui, T. Onaka, and M. Kroedel, “Mechanical and thermal performance of C/SiC composites for SPICA mirror,” Proc. SPIE 5868, 132–141 (2005).
[CrossRef]

H. Kaneda, T. Onaka, T. Nakagawa, K. Enya, H. Murakami, R. Yamashiro, T. Ezaki, Y. Numao, and Y. Sugiyama, “Cryogenic optical performance of the ASTRO-F SiC telescope,” Appl. Opt. 44, 6823–6832 (2005).
[CrossRef] [PubMed]

H. Kaneda, T. Onaka, R. Yamashiro, and T. Nakagawa, “Optical performance of the ASTRO-F telescope at cryogenic temperatures,” Proc. SPIE 4850, 230–240(2003).
[CrossRef]

Y. Y. Yui, K. Goto, H. Kaneda, H. Katayama, M. Kotani, M. Miyamoto, M. Naito, T. Nakagawa, H. Saruwatari, M. Suganuma, H. Sugita, Y. Tange, S. Utsunomiya, Y. Yamamoto, and T. Yamawaki, “Performance of lightweight large C/SiC mirror,” in Proceedings ICSO 2008 (2008), http://www.icsoconference2008.com/cd/page_30sessions.pdf.

Numao, Y.

Onaka, T.

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, S. Makiuti, J. Takaki, M. Haruna, M. Kume, and T. Ozaki, “Cryogenic optical measurements of 12-segment-bonded carbon-fiber-reinforced silicon carbide composite mirror with support mechanism,” Appl. Opt. 47, 1122–1128 (2008).
[CrossRef] [PubMed]

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, H. Kataza, S. Makiuti, H. Matsuhara, M. Miyamoto, H. Murakami, H. Saruwatari, H. Watarai, and Y. Y. Yui, “Development of lightweight SiC Mirrors for the Space Infrared Telescope for Cosmology and Astrophysics (SPICA) mission,” Proc. SPIE 6666, 666607 (2007).
[CrossRef]

T. Ozaki, M. Kume, T. Oshima, T. Nakagawa, T. Matsumoto, H. Kaneda, H. Murakami, H. Kataza, K. Enya, Y. Yui, T. Onaka, and M. Kroedel, “Mechanical and thermal performance of C/SiC composites for SPICA mirror,” Proc. SPIE 5868, 132–141 (2005).
[CrossRef]

H. Kaneda, T. Onaka, T. Nakagawa, K. Enya, H. Murakami, R. Yamashiro, T. Ezaki, Y. Numao, and Y. Sugiyama, “Cryogenic optical performance of the ASTRO-F SiC telescope,” Appl. Opt. 44, 6823–6832 (2005).
[CrossRef] [PubMed]

H. Kaneda, T. Onaka, R. Yamashiro, and T. Nakagawa, “Optical performance of the ASTRO-F telescope at cryogenic temperatures,” Proc. SPIE 4850, 230–240(2003).
[CrossRef]

Oshima, T.

T. Ozaki, M. Kume, T. Oshima, T. Nakagawa, T. Matsumoto, H. Kaneda, H. Murakami, H. Kataza, K. Enya, Y. Yui, T. Onaka, and M. Kroedel, “Mechanical and thermal performance of C/SiC composites for SPICA mirror,” Proc. SPIE 5868, 132–141 (2005).
[CrossRef]

Ozaki, T.

M. R. Krödel, T. Ozaki, M. Kume, A. Furuya, Y. Y. Yui, H. Imai, H. Katayama, Y. Tange, T. Nakagawa, and H. Kaneda, “Manufacturing and performance test of an 800mm space optic,” Proc. SPIE 7018, 70180A (2008).
[CrossRef]

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, S. Makiuti, J. Takaki, M. Haruna, M. Kume, and T. Ozaki, “Cryogenic optical measurements of 12-segment-bonded carbon-fiber-reinforced silicon carbide composite mirror with support mechanism,” Appl. Opt. 47, 1122–1128 (2008).
[CrossRef] [PubMed]

M. R. Krödel and T. Ozaki, “HB-Cesic composite for space optics and structures,” Proc. SPIE 6666, 66660E (2007).
[CrossRef]

T. Ozaki, M. Kume, T. Oshima, T. Nakagawa, T. Matsumoto, H. Kaneda, H. Murakami, H. Kataza, K. Enya, Y. Yui, T. Onaka, and M. Kroedel, “Mechanical and thermal performance of C/SiC composites for SPICA mirror,” Proc. SPIE 5868, 132–141 (2005).
[CrossRef]

Passvogel, T.

Y. Toulemont, T. Passvogel, G. L. Pilbratt, D. de Chambure, D. Pierot, and D. Castel, “The 3.5m all-SiC telescope for HERSCHEL,” Proc. SPIE 5487, 1119–1128 (2004).
[CrossRef]

Pierot, D.

Y. Toulemont, T. Passvogel, G. L. Pilbratt, D. de Chambure, D. Pierot, and D. Castel, “The 3.5m all-SiC telescope for HERSCHEL,” Proc. SPIE 5487, 1119–1128 (2004).
[CrossRef]

Pilbratt, G. L.

Y. Toulemont, T. Passvogel, G. L. Pilbratt, D. de Chambure, D. Pierot, and D. Castel, “The 3.5m all-SiC telescope for HERSCHEL,” Proc. SPIE 5487, 1119–1128 (2004).
[CrossRef]

Saruwatari, H.

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, H. Kataza, S. Makiuti, H. Matsuhara, M. Miyamoto, H. Murakami, H. Saruwatari, H. Watarai, and Y. Y. Yui, “Development of lightweight SiC Mirrors for the Space Infrared Telescope for Cosmology and Astrophysics (SPICA) mission,” Proc. SPIE 6666, 666607 (2007).
[CrossRef]

Y. Y. Yui, K. Goto, H. Kaneda, H. Katayama, M. Kotani, M. Miyamoto, M. Naito, T. Nakagawa, H. Saruwatari, M. Suganuma, H. Sugita, Y. Tange, S. Utsunomiya, Y. Yamamoto, and T. Yamawaki, “Performance of lightweight large C/SiC mirror,” in Proceedings ICSO 2008 (2008), http://www.icsoconference2008.com/cd/page_30sessions.pdf.

Suganuma, M.

Y. Y. Yui, K. Goto, H. Kaneda, H. Katayama, M. Kotani, M. Miyamoto, M. Naito, T. Nakagawa, H. Saruwatari, M. Suganuma, H. Sugita, Y. Tange, S. Utsunomiya, Y. Yamamoto, and T. Yamawaki, “Performance of lightweight large C/SiC mirror,” in Proceedings ICSO 2008 (2008), http://www.icsoconference2008.com/cd/page_30sessions.pdf.

Sugita, H.

Y. Y. Yui, K. Goto, H. Kaneda, H. Katayama, M. Kotani, M. Miyamoto, M. Naito, T. Nakagawa, H. Saruwatari, M. Suganuma, H. Sugita, Y. Tange, S. Utsunomiya, Y. Yamamoto, and T. Yamawaki, “Performance of lightweight large C/SiC mirror,” in Proceedings ICSO 2008 (2008), http://www.icsoconference2008.com/cd/page_30sessions.pdf.

Sugiyama, Y.

Takaki, J.

Tange, Y.

M. R. Krödel, T. Ozaki, M. Kume, A. Furuya, Y. Y. Yui, H. Imai, H. Katayama, Y. Tange, T. Nakagawa, and H. Kaneda, “Manufacturing and performance test of an 800mm space optic,” Proc. SPIE 7018, 70180A (2008).
[CrossRef]

Y. Y. Yui, K. Goto, H. Kaneda, H. Katayama, M. Kotani, M. Miyamoto, M. Naito, T. Nakagawa, H. Saruwatari, M. Suganuma, H. Sugita, Y. Tange, S. Utsunomiya, Y. Yamamoto, and T. Yamawaki, “Performance of lightweight large C/SiC mirror,” in Proceedings ICSO 2008 (2008), http://www.icsoconference2008.com/cd/page_30sessions.pdf.

Toulemont, Y.

Y. Toulemont, T. Passvogel, G. L. Pilbratt, D. de Chambure, D. Pierot, and D. Castel, “The 3.5m all-SiC telescope for HERSCHEL,” Proc. SPIE 5487, 1119–1128 (2004).
[CrossRef]

Utsunomiya, S.

Y. Y. Yui, K. Goto, H. Kaneda, H. Katayama, M. Kotani, M. Miyamoto, M. Naito, T. Nakagawa, H. Saruwatari, M. Suganuma, H. Sugita, Y. Tange, S. Utsunomiya, Y. Yamamoto, and T. Yamawaki, “Performance of lightweight large C/SiC mirror,” in Proceedings ICSO 2008 (2008), http://www.icsoconference2008.com/cd/page_30sessions.pdf.

Watarai, H.

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, H. Kataza, S. Makiuti, H. Matsuhara, M. Miyamoto, H. Murakami, H. Saruwatari, H. Watarai, and Y. Y. Yui, “Development of lightweight SiC Mirrors for the Space Infrared Telescope for Cosmology and Astrophysics (SPICA) mission,” Proc. SPIE 6666, 666607 (2007).
[CrossRef]

Yamamoto, Y.

Y. Y. Yui, K. Goto, H. Kaneda, H. Katayama, M. Kotani, M. Miyamoto, M. Naito, T. Nakagawa, H. Saruwatari, M. Suganuma, H. Sugita, Y. Tange, S. Utsunomiya, Y. Yamamoto, and T. Yamawaki, “Performance of lightweight large C/SiC mirror,” in Proceedings ICSO 2008 (2008), http://www.icsoconference2008.com/cd/page_30sessions.pdf.

Yamashiro, R.

H. Kaneda, T. Onaka, T. Nakagawa, K. Enya, H. Murakami, R. Yamashiro, T. Ezaki, Y. Numao, and Y. Sugiyama, “Cryogenic optical performance of the ASTRO-F SiC telescope,” Appl. Opt. 44, 6823–6832 (2005).
[CrossRef] [PubMed]

H. Kaneda, T. Onaka, R. Yamashiro, and T. Nakagawa, “Optical performance of the ASTRO-F telescope at cryogenic temperatures,” Proc. SPIE 4850, 230–240(2003).
[CrossRef]

Yamawaki, T.

Y. Y. Yui, K. Goto, H. Kaneda, H. Katayama, M. Kotani, M. Miyamoto, M. Naito, T. Nakagawa, H. Saruwatari, M. Suganuma, H. Sugita, Y. Tange, S. Utsunomiya, Y. Yamamoto, and T. Yamawaki, “Performance of lightweight large C/SiC mirror,” in Proceedings ICSO 2008 (2008), http://www.icsoconference2008.com/cd/page_30sessions.pdf.

Yui, Y.

T. Ozaki, M. Kume, T. Oshima, T. Nakagawa, T. Matsumoto, H. Kaneda, H. Murakami, H. Kataza, K. Enya, Y. Yui, T. Onaka, and M. Kroedel, “Mechanical and thermal performance of C/SiC composites for SPICA mirror,” Proc. SPIE 5868, 132–141 (2005).
[CrossRef]

Yui, Y. Y.

M. R. Krödel, T. Ozaki, M. Kume, A. Furuya, Y. Y. Yui, H. Imai, H. Katayama, Y. Tange, T. Nakagawa, and H. Kaneda, “Manufacturing and performance test of an 800mm space optic,” Proc. SPIE 7018, 70180A (2008).
[CrossRef]

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, H. Kataza, S. Makiuti, H. Matsuhara, M. Miyamoto, H. Murakami, H. Saruwatari, H. Watarai, and Y. Y. Yui, “Development of lightweight SiC Mirrors for the Space Infrared Telescope for Cosmology and Astrophysics (SPICA) mission,” Proc. SPIE 6666, 666607 (2007).
[CrossRef]

Y. Y. Yui, K. Goto, H. Kaneda, H. Katayama, M. Kotani, M. Miyamoto, M. Naito, T. Nakagawa, H. Saruwatari, M. Suganuma, H. Sugita, Y. Tange, S. Utsunomiya, Y. Yamamoto, and T. Yamawaki, “Performance of lightweight large C/SiC mirror,” in Proceedings ICSO 2008 (2008), http://www.icsoconference2008.com/cd/page_30sessions.pdf.

Adv. Space Res. (1)

T. Nakagawa and H. Murakami, “SPICA, cooled telescope optimized for mid- and far-infrared astronomy,” Adv. Space Res. 40, 679–683 (2007).
[CrossRef]

Appl. Opt. (2)

Proc. SPIE (7)

M. R. Krödel, M. J. Collon, R. Graue, and D. Kampf, “Cesic and silicon: a perfect combination for high performance applications,” Proc. SPIE 6666, 66660M (2007).
[CrossRef]

H. Kaneda, T. Onaka, R. Yamashiro, and T. Nakagawa, “Optical performance of the ASTRO-F telescope at cryogenic temperatures,” Proc. SPIE 4850, 230–240(2003).
[CrossRef]

H. Kaneda, T. Nakagawa, T. Onaka, K. Enya, H. Kataza, S. Makiuti, H. Matsuhara, M. Miyamoto, H. Murakami, H. Saruwatari, H. Watarai, and Y. Y. Yui, “Development of lightweight SiC Mirrors for the Space Infrared Telescope for Cosmology and Astrophysics (SPICA) mission,” Proc. SPIE 6666, 666607 (2007).
[CrossRef]

T. Ozaki, M. Kume, T. Oshima, T. Nakagawa, T. Matsumoto, H. Kaneda, H. Murakami, H. Kataza, K. Enya, Y. Yui, T. Onaka, and M. Kroedel, “Mechanical and thermal performance of C/SiC composites for SPICA mirror,” Proc. SPIE 5868, 132–141 (2005).
[CrossRef]

M. R. Krödel and T. Ozaki, “HB-Cesic composite for space optics and structures,” Proc. SPIE 6666, 66660E (2007).
[CrossRef]

M. R. Krödel, T. Ozaki, M. Kume, A. Furuya, Y. Y. Yui, H. Imai, H. Katayama, Y. Tange, T. Nakagawa, and H. Kaneda, “Manufacturing and performance test of an 800mm space optic,” Proc. SPIE 7018, 70180A (2008).
[CrossRef]

Y. Toulemont, T. Passvogel, G. L. Pilbratt, D. de Chambure, D. Pierot, and D. Castel, “The 3.5m all-SiC telescope for HERSCHEL,” Proc. SPIE 5487, 1119–1128 (2004).
[CrossRef]

Other (2)

Y. Y. Yui, K. Goto, H. Kaneda, H. Katayama, M. Kotani, M. Miyamoto, M. Naito, T. Nakagawa, H. Saruwatari, M. Suganuma, H. Sugita, Y. Tange, S. Utsunomiya, Y. Yamamoto, and T. Yamawaki, “Performance of lightweight large C/SiC mirror,” in Proceedings ICSO 2008 (2008), http://www.icsoconference2008.com/cd/page_30sessions.pdf.

C. Devilliers, P. Martin, M. Krödel, and C. de Jeu, “ULT final review” (ESA ESTEC, 2010)

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Figures (12)

Fig. 1
Fig. 1

Left, the front and rear surfaces of the 800 mm diameter lightweight HB-Cesic mirror. Right, the front and rear surfaces of the lightweight HB-Cesic optical bench for the mirror, where the three holes are the mounting points for the mirror.

Fig. 2
Fig. 2

Schematics of the structure of the mirror-supporting interface, together with photos of the support attached to the rear hole of the mirror. The HB-Cesic mirror (in blue) and the HB-Cesic optical bench (green) are connected via Invar stress relief supports (orange) and HB-Cesic interface cups (red). The screws made of HB-Cesic are used for the connection between the Invar supports and the interface cups, and stainless screws for the connection between the Invar supports and the optical bench.

Fig. 3
Fig. 3

Schematic of the measurement configuration of the mirror unit, a photo of the cryo-chamber at the JAXA facility used for the optical testing, and photos of the mirror unit installed in the cryo-chamber.

Fig. 4
Fig. 4

Temperature difference between the mirror and optical bench (mirror minus optical bench temperature) for every measured temperature of the mirror while the mirror unit was cooling down and warming up.

Fig. 5
Fig. 5

(a) Initial surface figure error map measured for the HB-Cesic mirror at an ambient temperature from the best-fit spherical surface. (b) Difference between two mirror surface figures measured at the same ambient temperature before cooling. All the values concerning the surface figure errors are given in units of the He–Ne laser wavelength of 632.8 nm .

Fig. 6
Fig. 6

Surface figures of the HB-Cesic mirror measured at various mirror temperatures while the mirror unit was warming up.

Fig. 7
Fig. 7

The same as Fig. 6, but shown after subtraction of the initial surface figure at ambient temperature [Fig. 5a].

Fig. 8
Fig. 8

Plots of the surface figure error of the mirror unit versus mirror temperature measured during cool-down (dotted line) and warm-up (solid line). The curves are composed of 38 data points for the cool-down and 23 data points for the warm-up.

Fig. 9
Fig. 9

The same as Fig. 8, but calculated after subtraction of the initial surface figure at ambient temperature [Fig. 5a].

Fig. 10
Fig. 10

Profiles of thickness of the silicon coating on the mirror surface measured along two vertical lines crossing the center of the mirror before lapping, after lapping, during polishing, and after polishing: x axis in the upper panel and y axis in the lower panel. In Figs. 5, 6, 7, 12, + x is to the left, while + y is down.

Fig. 11
Fig. 11

Schematics to explain the difference in thermal contraction of the mirror versus the optical bench between temperatures above 100 K and below 100 K .

Fig. 12
Fig. 12

Surface figure of the HB-Cesic mirror measured at the mirror temperature of 18 K , with the astigmatism removed and superposed on the rib pattern of the rear surface of the mirror.

Tables (2)

Tables Icon

Table 1 Basic Properties of HB-Cesic, the Material Adopted for the Mirror and Optical Bench a

Tables Icon

Table 2 Specifications of the Tested 800 mm HB-Cesic Mirror

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