TY  - GEN
AU  - Descour,M R
AU  - Simon,D I
AU  - Yeh,W H
TI  - Ring-toric lens for focus-error sensing in optical data storage
SN  - 1559-128X
PY  - 2010///0610
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1364/ao.38.001388
ER  -