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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 47, Iss. 31 — Nov. 1, 2008
  • pp: 5722–5727

High-irradiance reactors with unfolded aplanatic optics

Daniel Feuermann and Jeffrey M. Gordon  »View Author Affiliations

Applied Optics, Vol. 47, Issue 31, pp. 5722-5727 (2008)

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Reconstituting the intense irradiance of short-arc discharge lamps at a remote target, at high radiative efficiency, represents a central challenge in the design of high-temperature chemical reactors, heightened by the need for high numerical aperture at both the target and the source. Separating the optical system from both the source and the reactor allows pragmatic operation, monitoring, and control. We explore near-field unfolded aplanats as feasible solutions and report measurements for a prototype that constitutes a double-ellipsoid mirror. We also propose compound unfolded aplanats that collect lamp emission over all angles (in lieu of light recycling optics) and irradiate the reactor over nearly its full circumference.

© 2008 Optical Society of America

OCIS Codes
(220.1770) Optical design and fabrication : Concentrators
(220.2740) Optical design and fabrication : Geometric optical design
(080.4035) Geometric optics : Mirror system design
(080.4228) Geometric optics : Nonspherical mirror surfaces

ToC Category:
Optical Design and Fabrication

Original Manuscript: July 10, 2008
Manuscript Accepted: September 8, 2008
Published: October 20, 2008

Daniel Feuermann and Jeffrey M. Gordon, "High-irradiance reactors with unfolded aplanatic optics," Appl. Opt. 47, 5722-5727 (2008)

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  1. D. Nakar, A. Malul, D. Feuermann, and J. M. Gordon, “Radiometric characterization of ultra-high radiance xenon short-arc discharge lamps,” Appl. Opt. 47, 224-229 (2008). [CrossRef] [PubMed]
  2. A. Malul, D. Nakar, D. Feuermann, and J. M. Gordon, “Effectiveness of recycling light in ultra-bright short-arc discharge lamps,” Opt. Express 15, 14194-14201 (2007). [CrossRef] [PubMed]
  3. A. Albu-Yaron, T. Arad, M. Levy, R. Popovitz-Biro, R. Tenne, J. M. Gordon, D. Feuermann, E. A. Katz, M. Jansen, and C. Mühle, “Synthesis of fullerene-like Cs2O nanoparticles by concentrated sunlight,” Adv. Mater. 18, 2993-2996(2006). [CrossRef]
  4. A. Albu-Yaron, T. Arad, M. Levy, R. Popovitz-Biro, R. Tenne, J. M. Gordon, D. Feuermann, E. A. Katz, M. Jansen, and C. Mühle, “Synthesis of fullerene-like Cs2O nanoparticles by concentrated sunlight: erratum,” Adv. Mater. 18, 3199(2006). [CrossRef]
  5. J. M. Gordon, E. A. Katz, D. Feuermann, A. Albu-Yaron, M. Levy, and R. Tenne, “Singular MoS2, SiO2 and Si nanostructures and synthesis by solar ablation,” J. Mater. Chem. 18, 458-462 (2008). [CrossRef]
  6. R. Winston, J. C. Miñano, and P. Benítez, Nonimaging Optics (Elsevier, 2005).
  7. D. Nakar, D. Feuermann, and J. M. Gordon, “Aplanatic near-field optics for efficient light transfer,” Opt. Eng. 45, 030502(2006). [CrossRef]
  8. J. M. Gordon and D. Feuermann, “Optical performance at the thermodynamic limit with tailored imaging designs,” Appl. Opt. 44, 2327-2331 (2005). [CrossRef] [PubMed]
  9. J. M. Gordon, D. Feuermann, and P. Young, “Unfolded aplanats for high-concentration photovoltaics,” Opt. Lett. 33, 1114-1116 (2008). [CrossRef] [PubMed]
  10. A. K. Head, “The two-mirror aplanat,” Proc. Phys. Soc. London Sect. B 70, 945-949 (1957). [CrossRef]
  11. L. Mertz, “Aspheric potpourri,” Appl. Opt. 20, 1127-1131(1981). [CrossRef] [PubMed]

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