TY  - RPRT
TI  - Subwavelength focusing and imaging by a multimode optical waveguide.
AU  - Xianyu Ao
AU  - Sailing He
PY  - 2004
DO  - 10.1364/ol.29.002864
UR  - https://pubmed.ncbi.nlm.nih.gov/15645806/
ID  - 15645806
ER  -