TY  - RPRT
TI  - Polarization-vortex-driven second-harmonic generation.
AU  - D P Biss
AU  - T G Brown
PY  - 2003
DO  - 10.1364/ol.28.000923
UR  - https://pubmed.ncbi.nlm.nih.gov/12816247/
ID  - 12816247
ER  -