A simple holographic technic for fabricating a LC/polymer switchable Fresnel lensH. Nemati, E. Mohajerani, A. Moheghi, M. Behzadi Rad and N. Hosain NatajEPL, 87 6 (2009) 64001DOI: https://doi.org/10.1209/0295-5075/87/64001
