LIGHT-BEAM SHAPER

  • US 20100118531A1
  • Filed: 04/04/2008
  • Published: 05/13/2010
  • Est. Priority Date: 04/05/2007
  • Status: Active Grant
First Claim
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1. An optical device for imparting an elongate shape to a light beam, said optical device comprising a lens (2) having (i) an entry diopter (3, 301, 302) and (ii) an exit diopter (4, 400) which comprises a first convergent section (41, 401), a second convergent section (42, 402) and a divergent section (43, 404) bridging said first and second convergent sections.

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