Free form V-groove reflector design with the SMS method

Dejan Grabovičkić; Juan C. Miñano; Pablo Benítez

doi:10.1117/12.827866

20 August 2009 Free form V-groove reflector design with the SMS method

Dejan Grabovičkić, Juan C. Miñano, Pablo Benítez

Proceedings Volume 7423, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration VI; 742303 (2009) https://doi.org/10.1117/12.827866
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

The Simultaneous Multiple Surface design method (SMS) is applied to the design of free-form V-groove reflectors. The general design problem is to achieve perfect coupling of two wavefronts after two reflections at the groove, no matter which side of the groove the rays hit first. All possible 2D designs are listed and used as a basis for the 3D free-form reflector analysis. The extension to the 3D case is given, and illustrative particular canonical examples are developed. Besides the theory and design work, first prototypes were produced of a mirrorless TIR device using V-grooves that emulates a parabolic reflector. The experimental measurements of the TIR reflector show reflectance up to 98%.

Citation Download Citation

Dejan Grabovičkić, Juan C. Miñano, and Pablo Benítez "Free form V-groove reflector design with the SMS method", Proc. SPIE 7423, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration VI, 742303 (20 August 2009); https://doi.org/10.1117/12.827866

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