TY  - RPRT
TI  - 3 x 3 matrix for unitary optical systems.
AU  - S T Tang
AU  - H S Kwok
PY  - 2001
DO  - 10.1364/josaa.18.002138
UR  - https://pubmed.ncbi.nlm.nih.gov/11551046/
ID  - 11551046
ER  -