TY  - RPRT
TI  - Laser modes with helical wave fronts.
AU  - M Harris
AU  - CA Hill
AU  - PR Tapster
AU  - JM Vaughan
PY  - 1994
DO  - 10.1103/physreva.49.3119
UR  - https://pubmed.ncbi.nlm.nih.gov/9910603/
ID  - 9910603
ER  -