Development of Nanostructured Antireflection Coatings for EO/IR Sensor and Solar Cell Applications
- 1 Magnolia Solar Inc., Albany, USA
- 2 Magnolia Solar Inc., Albany, USA
- 3 Magnolia Solar Inc., Albany, USA
- 4 Magnolia Solar Inc., Albany, USA
- 5 Magnolia Solar Inc., Albany, USA
- 6 Department of Electrical and Computer Systems Engineering and Physics, Rensselaer Polytechnic Institute, Troy, USA
- 7 Department of Electrical and Computer Systems Engineering and Physics, Rensselaer Polytechnic Institute, Troy, USA
- 8 Department of Electrical and Computer Systems Engineering and Physics, Rensselaer Polytechnic Institute, Troy, USA
- 9 Department of Electrical and Computer Systems Engineering and Physics, Rensselaer Polytechnic Institute, Troy, USA
- 10 Microsystems Technology Office of the Defense Advanced Research Projects Agency, Arlington, USA
- 11 Microsystems Technology Office of the Defense Advanced Research Projects Agency, Arlington, USA
- 12 College of Nanoscale Science and Engineering, Albany, USA
- 13 New York State Energy Research and Development Authority, Albany, USA.
Abstract
Electro-optical/infrared (EO/IR) sensors and photovoltaic power sources are being developed for a variety of defense and commercial applications. One of the critical technologies that will enhance both EO/IR sensor and photovoltaic module performance is the development of high quality nanostructure-based antireflection coatings. In this paper, we review our work on advanced antireflection structures that have been designed by using a genetic algorithm and fabricated by using oblique angle deposition. The antireflection coatings are designed for the wavelength range of 250 nm to 2500 nm and an incidence angle between 0 0 and 40 0 . These nanostructured antireflection coatings are shown to enhance the optical transmission through transparent windows over a wide band of interest and minimize broadband reflection losses to less than one percent, a substantial improvement over conventional thin-film antireflection coating technologies.
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