Single element laser beam shaper

Optical: systems and elements – Lens – Including a nonspherical surface

Reexamination Certificate

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C359S718000

Reexamination Certificate

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06943964

ABSTRACT:
A single lens laser beam shaper for converting laser beams from any spatial profile to a flat-top or uniform spatial profile. The laser beam shaper includes a lens having two aspheric surfaces. The beam shaper significantly simplifies the overall structure in comparison with conventional 2-element systems and therefore provides great ease in alignment and reduction of cost.

REFERENCES:
patent: 5796520 (1998-08-01), Maruyama
patent: 5969862 (1999-10-01), Maruyama

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