TY - GEN AU - Brimhall,N AU - Heilmann,N AU - Ware,M AU - Peatross,J TI - Polarization-ratio reflectance measurements in the extreme ultraviolet SN - 0146-9592 PY - 2009///0710 N1 - Publication Type: Journal Article UR - https://doi.org/10.1364/ol.34.001429 ER -