ANGULARLY RESOLVED HIGH-ORDER HARMONIC-GENERATION IN HELIUM

Authors
TISCH JWG SMITH RA MUFFETT JE CIARROCCA M MARANGOS JP HUTCHINSON MHR
Citation
Jwg. Tisch et al., ANGULARLY RESOLVED HIGH-ORDER HARMONIC-GENERATION IN HELIUM, Physical review. A, 49(1), 1994, pp. 180000028-180000031
Citations number
14
Categorie Soggetti
Physics
Journal title
Physical review. A → ACNP
ISSN journal
10502947
Volume
49
Issue
1
Year of publication
1994
Pages
180000028 - 180000031
Database
ISI
SICI code
1050-2947(1994)49:1<180000028:ARHHIH>2.0.ZU;2-K
Abstract
We report the observation of harmonics up to the 119th in helium, gene rated using a 1.053-mu m, l-ps chirped-pulse-amplification laser at in tensities up to 3 X 10(14) W/cm(2), and the measurement of their farfi eld spatial distribution. Complex spatial distributions are found for harmonics in the plateau region and near the cutoff; their angular dis tribution narrows to approximately that predicted by lowest-order pert urbation theory.