Novel gratings for astronomical observation Ebizuka, Noboru ; Okamoto, Takayuki ; Takeda, Masahiro ; Hosobata, Takuya ; Yamagata, Yutaka ; Sasaki, Minoru ; Tanaka, Ichi ; Hattori, Takashi ; Ozaki, Shinobu ; Aoki, Wako Abstract Publication: CEAS Space Journal Pub Date: January 2020 DOI: 10.1007/s12567-019-00287-3 Bibcode: 2020CEAS...12....3E