Abstract
Tong and Chu [Phys. Rev. A 58, R2656 (1998)] recently suggested a scheme of how to produce circularly polarized high harmonics. It is compared to an alternative scheme, and some characteristic differences between the two are discussed.
- Received 12 November 1998
DOI:https://doi.org/10.1103/PhysRevA.60.1721
©1999 American Physical Society