System and method for focal-plane illuminator/detector (FASID) design for improved graded index lenses

Patent · Tue Apr 06 04:00:00 EDT 2021

OSTI ID:1823811

Bude, Jeffrey Devin; Feigenbaum, Eyal

The present disclosure relates to a detector system for imaging an optical signal received by a graded index (GRIN) optical element to account for known variations in a graded index distribution of the GRIN optical element. The detector system incorporates a plurality of optical detector elements configured to receive optical rays received by the GRIN optical element at specific locations on a plane of the GRIN optical element. Ray tracing software is configured to receive and map the optical rays to a plurality of additional specific locations on the plane based on the known variations in the graded index distribution of the GRIN optical element. A processor uses algorithms for diagonalization of a linear system matrix to determine information on both an intensity and an angle of the received optical rays at each one of the plurality of specific locations on the plane.

• Research Organization: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC52-07NA27344
• Assignee: Lawrence Livermore National Security, LLC (Livermore, CA)
• Patent Number(s): 10,969,300
• Application Number: 16/887,774
• OSTI ID: 1823811
• Country of Publication: United States
• Language: English