Point symmetric design approach to a wide-field wide-wavelength cat's eye retro-reflector anastigmat

Till W. Liepmann

doi:10.1117/12.825314

21 August 2009 Point symmetric design approach to a wide-field wide-wavelength cat's eye retro-reflector anastigmat

Till W. Liepmann

Proceedings Volume 7428, Current Developments in Lens Design and Optical Engineering X; 74280G (2009) https://doi.org/10.1117/12.825314
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

A point symmetric design approach for creating a practical cat's eye retro-reflector (CERR) anastigmat lens with a wide field of regard (FOR), uniform reflectance and wide wavelength range is described. An anastigmat design is presented that demonstrates the performance capability of the design approach. The lens design is diffraction limited in double pass at F/3, has a "working distance" between lens and reflector, wide wavelength range of operation, and uniform reflectivity over a 120 deg FOR. An anastigmat fabricated from the design is presented; however, the design approach is generally useful for any application requiring a high performance retro-reflector. The design uses only spherical surfaces, thereby avoiding the fabrication expense of aspheric surfaces.

Citation Download Citation

Till W. Liepmann "Point symmetric design approach to a wide-field wide-wavelength cat's eye retro-reflector anastigmat", Proc. SPIE 7428, Current Developments in Lens Design and Optical Engineering X, 74280G (21 August 2009); https://doi.org/10.1117/12.825314

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