Beam shaping system

Details Beam shaping system Beam shaping system

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991spie.1500..172m&link_type=abstract

Proc. SPIE Vol. 1500, p. 172-176, Innovative Optics and Phase Conjugate Optics, Rolf-Juergen Ahlers; Theo T. Tschudi; Eds.

Physics

Optics

Scientific paper

A novel optical system is described which can be used to change the intensity profile of a laser beam without the increase in beam divergence which results from conventional techniques. The technique uses a telescope, the first lens of which is designed to introduce an amount of spherical aberration. This changes the intensity distribution of the beam in the focal region where a second lend is located. The second element removes the aberration and collimates the beam. Cylindrical lenses can be used to independently shape the intensity profile of the beam in the two azimuths.

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