[1] Harada T, Kita T. Mechanically ruled aberration-corrected concave gratings. Appl. Opt., 1980, 19(23):3987~3993
[2] Kita T, Harada T, Nakano N et al.. Mechanically ruled aberration-corrected concave gratings for a flat-field grazing-incidence spectrograph. Appl. Opt., 1983, 22(4):512~513
[3] Kiehn G P, Willi O, Damerell A R et al.. Novel time-resolved VUV spectrograph for X-ray laser research. Appl. Opt., 1987, 26(3):425~426