Atwater, J. H. and Spinelli, P. and Kosten, E. and Parsons, J. and Van Lare, C. and Van de Groep, J. and Garcia de Abajo, J. and Polman, A. and Atwater, H. A. (2011) Microphotonic parabolic light directors fabricated by two-photon lithography. Applied Physics Letters, 99 (15). Art. No. 151113. ISSN 0003-6951. doi:10.1063/1.3648115. https://resolver.caltech.edu/CaltechAUTHORS:20111122-113530915
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Abstract
We have fabricated microphotonic parabolic light directors using two-photon lithography, thin-film processing, and aperture formation by focused ion beam lithography. Optical transmission measurements through upright parabolic directors 22 μm high and 10 μm in diameter exhibit strong beam directivity with a beam divergence of 5.6°, in reasonable agreement with ray-tracing and full-field electromagnetic simulations. The results indicate the suitability of microphotonic parabolic light directors for producing collimated beams for applications in advanced solar cell and light-emitting diode designs.
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| Additional Information: | © 2011 American Institute of Physics. Received 8 August 2011; accepted 20 September 2011; published online 13 October 2011. The authors are grateful for technical assistance from G. Vollenbroek and M. Vrucinic. The Caltech researchers are supported by the Light-Matter Interactions Energy Frontier Research Center, an EFRC program of the Office of Science, United States Department of Energy under Grant No. DESC0001293 (EDK and HAA). Researchers of the Center for Nanophotonics at AMOLF are supported by the research program of FOM which is financially supported by NWO. | |||||||||
| Group: | Kavli Nanoscience Institute | |||||||||
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| Subject Keywords: | ion beam lithography; light emitting diodes; light transmission; microfabrication; micro-optics; optical elements; optical fabrication; ray tracing; solar cells; thin films; two-photon processes | |||||||||
| Issue or Number: | 15 | |||||||||
| Classification Code: | PACS: 42.79.-e; 42.82.Cr; 42.15.Dp | |||||||||
| DOI: | 10.1063/1.3648115 | |||||||||
| Record Number: | CaltechAUTHORS:20111122-113530915 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20111122-113530915 | |||||||||
| Official Citation: | Microphotonic parabolic light directors fabricated by two-photon lithography J. H. Atwater, P. Spinelli, E. Kosten, J. Parsons, C. Van Lare, J. Van de Groep, J. Garcia de Abajo, A. Polman, and H. A. Atwater, Appl. Phys. Lett. 99, 151113 (2011), DOI:10.1063/1.3648115 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 27918 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | INVALID USER | |||||||||
| Deposited On: | 22 Nov 2011 21:17 | |||||||||
| Last Modified: | 09 Nov 2021 16:52 |
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