Design of broad angular phase retarders for the complete polarization analysis of extreme ultraviolet radiation*
Lin Cheng-Youa), Chen Shu-Jingb), Chen Zhao-Yanga), Ding Ying-Chuna)
       
(a) Phase retardation Δ ϕ , (b) s- and p-component transmissions T s and T p, and (c) transmission ratio T s/ T p of a designed broad angular 90° phase retarder ( N = 30 and Δ θ = 4°) without (square) and with (circle) a 100 nm supporting Si3N4 membrane respectively.