TY - GEN
T1 - Recent results from hard X-ray telescope characterization at SPring-8
AU - Miyazawa, Takuya
AU - Ogasaka, Yasushi
AU - Iwahara, Tomonaga
AU - Kanou, Yasufumi
AU - Makinae, Youta
AU - Sasaya, Shiori
AU - Ohgi, Takuya
AU - Matsuda, Kenji
AU - Sakai, Michito
AU - Niki, Daisuke
AU - Ishida, Yousuke
AU - Yamane, Koudai
AU - Furuzawa, Akihiro
AU - Haba, Yoshito
AU - Kunieda, Hideyo
AU - Yamashita, Koujun
AU - Uesugi, Kentaro
AU - Suzuki, Yoshio
AU - Tamura, Keisuke
AU - Maeda, Yoshitomo
AU - Ishida, Manabu
AU - Okajima, Takashi
PY - 2009
Y1 - 2009
N2 - We have been developing a hard X-ray imaging telescope with Pt/C multilayers for balloon experiments and for ASTRO-H. Calibration of the hard X-ray telescope has been performed at the synchrotron radiation facility, SPring-8, to obtain point spread function and effective area for the InFOCuS and SUMIT experiments. Hard X-ray characterization at the SPring-8 beamline BL20B2 has great advantages over those with conventional sources, such as an extremely high flux, a larger beam with less divergence, and a selectable, narrow bandwidth covering the hard X-ray region from 20 to over 100 keV. We have been successful not only in characterizing the telescope but also in establishing the tuning procedure to improve its image quality. The 16m-long experimental hutch has sufficient capability for characterization of the telescope with a long focal length up to 12 m as well as reflectivity and diffraction measurements of multilayer reflectors. Recently we have measured 87 pairs of multilayer mirrors and obtained an angular resolution of 1.5 arcmin (HPD), and reflectivity of Pt/C multilayers designed for ASTRO-H. In this paper, we report recent results of X-ray measurements of our hard X-ray telescope and multilayer mirrors. ·
AB - We have been developing a hard X-ray imaging telescope with Pt/C multilayers for balloon experiments and for ASTRO-H. Calibration of the hard X-ray telescope has been performed at the synchrotron radiation facility, SPring-8, to obtain point spread function and effective area for the InFOCuS and SUMIT experiments. Hard X-ray characterization at the SPring-8 beamline BL20B2 has great advantages over those with conventional sources, such as an extremely high flux, a larger beam with less divergence, and a selectable, narrow bandwidth covering the hard X-ray region from 20 to over 100 keV. We have been successful not only in characterizing the telescope but also in establishing the tuning procedure to improve its image quality. The 16m-long experimental hutch has sufficient capability for characterization of the telescope with a long focal length up to 12 m as well as reflectivity and diffraction measurements of multilayer reflectors. Recently we have measured 87 pairs of multilayer mirrors and obtained an angular resolution of 1.5 arcmin (HPD), and reflectivity of Pt/C multilayers designed for ASTRO-H. In this paper, we report recent results of X-ray measurements of our hard X-ray telescope and multilayer mirrors. ·
UR - https://www.scopus.com/pages/publications/70449441046
UR - https://www.scopus.com/pages/publications/70449441046#tab=citedBy
U2 - 10.1117/12.826725
DO - 10.1117/12.826725
M3 - Conference contribution
AN - SCOPUS:70449441046
SN - 9780819477279
T3 - Proceedings of SPIE - The International Society for Optical Engineering
BT - Optics for EUV, X-Ray, and Gamma-Ray Astronomy IV
T2 - Optics for EUV, X-Ray, and Gamma-Ray Astronomy IV
Y2 - 4 August 2009 through 6 August 2009
ER -