Digitale Medien
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
74 (1993), S. 802-808
ISSN:
1089-7550
Quelle:
AIP Digital Archive
Thema:
Physik
Notizen:
Intractable low-mode nonuniformities caused by power imbalance or pointing error of beams are studied quasi-analytically based on Skupsky's axially symmetric model [S. Skupsky and K. Lee, J. Appl. Phys. 54, 3662 (1983)]. These nonuniformities can be improved by decreasing the imperfections σPΩ, or by increasing the number of laser beams NB: deteriorated irradiation uniformity is shown to be proportional to σPΩ/(square root of)NB. Criteria of these imperfections for high irradiation uniformity [≤1% root-mean square (rms)] are then presented in terms of NB. The model is further extended to treat general asymmetric beam patterns. Optimization of beam pattern is also a central issue.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1063/1.354869
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