Refractive-diffractive hybrid lens, in particular for beam...

Details Refractive-diffractive hybrid lens, in particular for beam... Refractive-diffractive hybrid lens, in particular for beam...

2008-03-18

2008-03-18

Hasan, M. (Department: 2873)

Optical: systems and elements

Lens

Including a nonspherical surface

C359S708000, C359S569000

Reexamination Certificate

active

07345828

ABSTRACT:
A cylindrical lens having a refractive optical element and a diffractive optical element is provided. The cylindrical lens can be fabricated cost effectively and precisely, and optical aberrations and defects in semiconductor diode laser arrangements can be corrected. The diffractive optical element can include various segments.

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