A rapid and convenient experimental method of absolutely calibrating transmission of x-ray flat-response filter

Yu Jian¹, Hou Li-Fei², Wang Jing², Zhang Wen-Hai^{2, †}, Chen Ming², Zhou Bao-Chong², Xiao Sha-Li³, Liu Shen-Ye²

(color online) Images obtained from two different regions on the flat focal plane: (a) region I and (b) region II.