TY  - RPRT
TI  - Staircase approximation validity for arbitrary-shaped gratings.
AU  - Evgeny Popov
AU  - Michel Nevière
AU  - Boris Gralak
AU  - Gérard Tayeb
PY  - 2002
DO  - 10.1364/josaa.19.000033
UR  - https://pubmed.ncbi.nlm.nih.gov/11778730/
ID  - 11778730
ER  -