High-irradiance reactor design with practical unfolded optics

Daniel Feuermann; Jeffrey M. Gordon

doi:10.1117/12.792228

27 August 2008 High-irradiance reactor design with practical unfolded optics

Daniel Feuermann, Jeffrey M. Gordon

Proceedings Volume 7059, Nonimaging Optics and Efficient Illumination Systems V; 705903 (2008) https://doi.org/10.1117/12.792228
Event: Optical Engineering + Applications, 2008, San Diego, California, United States

Abstract

In the design of high-temperature chemical reactors and furnaces, as well as high-radiance light projection applications, reconstituting the ultra-high radiance of short-arc discharge lamps at maximum radiative efficiency constitutes a significant challenge. The difficulty is exacerbated by the high numerical aperture necessary at both the source and the target. Separating the optic from both the light source and the target allows practical operation, control, monitoring, diagnostics and maintenance. We present near-field unfolded aplanatic optics as a feasible solution. The concept is illustrated with a design customized to a high-temperature chemical reactor for nano-material synthesis, driven by an ultra-bright xenon short-arc discharge lamp, with near-unity numerical aperture for both light input and light output. We report preliminary optical measurements for the first prototype, which constitutes a double-ellipsoid solution. We also propose compound unfolded aplanats that collect the full angular extent of lamp emission (in lieu of light recycling optics) and additionally permit nearly full-circumference irradiation of the reactor.

Citation Download Citation

Daniel Feuermann and Jeffrey M. Gordon "High-irradiance reactor design with practical unfolded optics", Proc. SPIE 7059, Nonimaging Optics and Efficient Illumination Systems V, 705903 (27 August 2008); https://doi.org/10.1117/12.792228

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KEYWORDS

Near field optics

Lamps

Mirrors

Near field

Geometrical optics

Monochromatic aberrations

Plasma

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