@misc{indiciaec151497e1057, title = {Optical diffraction in nonuniform cholesteric liquid crystals: phase-grating mode.}, author = {M S Giridhar and K A Suresh and G S Ranganath}, year = {2002}, doi = {10.1364/josaa.19.000019}, url = {https://pubmed.ncbi.nlm.nih.gov/11778723/}, note = {Source identifier: 11778723} }