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Proceedings Paper

Generation of partially coherent fields with twist
Author(s): Ari T. Friberg; Chunyu Gao; Bernd Eppich; Horst Weber
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Paper Abstract

It is shown, theoretically and experimentally that any astigmatic beam with M2>1, coherent or partially coherent, can be transformed by a first order system into a beam with second intensity moments of circular symmetry and twist. Experiments were performed with coherent Gauss- Hermite beams of high order and partially coherent diode arrays. Furthermore it is demonstrated that the bema parameter product is not constant in ideal ABCD-system.

Paper Details

Date Published: 22 September 1997
PDF: 12 pages
Proc. SPIE 3110, 10th Meeting on Optical Engineering in Israel, (22 September 1997); doi: 10.1117/12.281383
Show Author Affiliations
Ari T. Friberg, Technical Univ. of Berlin (Germany)
Chunyu Gao, Technical Univ. of Berlin (Germany)
Bernd Eppich, Technical Univ. of Berlin (FRG) and Laser-Medicine Technology Berlin (Germany)
Horst Weber, Technical Univ. of Berlin (FRG) and Laser-Medicine Technology Berlin (Germany)


Published in SPIE Proceedings Vol. 3110:
10th Meeting on Optical Engineering in Israel

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