TY - GEN AU - Wu,Yang AU - Kelly,Damien P TI - Paraxial light distribution in the focal region of a lens: a comparison of several analytical solutions and a numerical result SN - 0950-0340 PY - 2014/// PB - Journal of modern optics N1 - Publication Type: Journal Article UR - https://doi.org/10.1080/09500340.2014.944236 ER -