8 January 2004 Alignment of an inexpensive paraboloidal concentrator for hybrid solar lighting applications
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Abstract
We describe a practical method for precisely aligning the optical components of a low-cost solar concentrator developed for fiber optic solar lighting applications. A two-stage alignment process, involving both mechanical and optical alignment techniques, is described which allows the tilt, centering, and focal alignment of a large parabolic primary reflector relative to a segmented planar secondary mirror to be accurately determined. The alignment strategy is well suited to optical systems utilizing large reflectors with non-referenced optical axes and non-precision surface characteristics, as is typical of many inexpensive reflectors.
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D. Duncan Earl, L. Curt Maxey, "Alignment of an inexpensive paraboloidal concentrator for hybrid solar lighting applications", Proc. SPIE 5185, Nonimaging Optics: Maximum Efficiency Light Transfer VII, (8 January 2004); doi: 10.1117/12.508647; https://doi.org/10.1117/12.508647
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