TY - GEN AU - Dimova,E St AU - Ivanov,S S AU - Popkirov,G St AU - Vitanov,N V TI - Highly efficient broadband polarization retarders and tunable polarization filters made of composite stacks of ordinary wave plates SN - 1520-8532 PY - 2015///0511 N1 - Publication Type: Journal Article UR - https://doi.org/10.1364/JOSAA.31.000952 ER -