OpticsInfoBase

Fundamental Limit of Nanophotonic Light-Trapping in Solar Cells

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: PDSWB1
• OSA Technical Digest (CD)
• Yu, Zongfu; Raman, Aaswath; Fan, Shanhui
• We use a rigorous electromagnetic approach to develop a light-trapping theory, which reveals that the conventional limit 4n²can be substantially surpassed in nanophotonic...

Introducing the Department of Energy’s Advanced Research Projects Agency - Energy (ARPA-E): Finding Solar Energy Technology Gamechangers in a Crowded Field

• Abstract

• Optics for Solar Energy (OSE) 2010 paper: SMA1
• OSA Technical Digest (CD)
• Danielson, David
• In this talk, ARPA-E’s Founding Program Director Dr. David Danielson will provide an introduction to ARPA-E’s approach to investing in transformational energy R&D projects and will...

Maximizing the Efficiency Cost Ratio in a CPV System via a Tolerant Optical Design

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: SMA2
• OSA Technical Digest (CD)
• Miñano, Juan C; Benítez, Pablo; Zamora, Pablo; Mohedano, Rubén; Cvetkovic, Aleksandra; Buljan, Marina; Chaves, Julio; Alvarez, Roberto
• An advanced CPV-concentrator with a Fresnel primary and a refractive secondary produces both high concentration with high tolerance and excellent light homogenization. It compares well...

Flatcon® Concentrator Photovoltaic Modules--Design Principles and Field Experience

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: SMB1
• OSA Technical Digest (CD)
• Gombert, Andreas
• The FLATCON® concentrator photovoltaic (CPV) technology is presented. The first system in the US was installed in 2009 and shows an AC power efficiency of 25% and an AC energy...

Non-Imagine Solar Stationary Concentrators with Using Combination of Prisms and Reflective Surfaces

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: SMB2
• OSA Technical Digest (CD)
• Kivalov, Sergey N; Perez, Richard
• The paper presents two designs of combined prismatic-parabola-cylindrical stationary concentrators. They reach 8.4X and 10.4X concentration levels for nonsymmetrical and symmetrical...

Photovoltaic and Solar Thermal Improvement Factors in Fiber Optic Filtered Hybrid Systems

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: SMB3
• OSA Technical Digest (CD)
• Shepard, Scott
• We define photovoltaic and hybrid system improvement factors which can characterize the utility of optical filters for solar energy applications. Comparison of two types of optical...

A 5KW CPV Collector Design Using an Inflated Plastic Film Primary Mirror

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: SMB4
• OSA Technical Digest (CD)
• Baldwin, Leo
• The design objectives and methodologies for a monolithic multichannel secondary optic to compliment the inflated plastic primary collector in a utility-scale concentrated photovoltaic...

Direct and Inverse Methods of Characterization of Solar Concentrators

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: STuA1
• OSA Technical Digest (CD)
• Parretta, Antonio; Martinelli, Giuliano; Antonini, Andrea; Vincenzi, Donato; Privato, C
• We discuss two classes of methods for characterizing solar concentrators (mainly nonimaging): “direct” and “inverse”, in relation to the way these are irradiated. We derive the optical...

SCOTS: A Fast, Inexpensive Test of Solar Concentrators

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: STuA2
• OSA Technical Digest (CD)
• Parks, Robert
• The Software Configurable Optical Test System (SCOTS) is a simple, inexpensive yet highly flexible optical test configurable for almost any specular surface. It consists of a computer...

Measurement of Sun-Tracking Accuracy and Solar Irradiance through Multispectral Imaging

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: STuA3
• OSA Technical Digest (CD)
• Vincenzi, Donato; Baricordi, Stefano; Occhiali, Massimiliano; Stefancich, Marco; Parretta, Antonio; Martinelli, Giuliano
• We present the design guidelines and the characterization of a multispectral camera tailored to be used as accuracy measurement device for sun trackers. The camera has been calibrated...

Tools Development for CPV Characterization Based on CCD Camera Measurements

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: STuA4
• OSA Technical Digest (CD)
• Martín, Rebeca Herrero; Domínguez, C; Antón, I; Askins, S; Sala, G
• Two characterization techniques based on a CCD camera have been developed: an inverse illumination method based on cell light emission and a lens deformation analysis method. Its...

Dual Aperture Holographic Planar Concentrator Photovoltaic Module Energy Harvesting Performance

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: STuB2
• OSA Technical Digest (CD)
• Russo, Juan M; Castillo Aguilella, Jose E; Rosenberg, Glenn
• Dual aperture holographic planar concentrator modules are compared to single aperture modules. Direct-current IV and alternating-current power curves are presented and used to compare...

Planar Holographic Solar Concentrators for Low and Medium Ratio Concentration System

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: STuB3
• OSA Technical Digest (CD)
• Castro, Jose M; Zhang, Deming; Kostuk, Raymond
• We analyze two planar holographic solar concentrator designs for low and medium concentration ratio applications. This type of solar concentrators can provide concentration and...

Reduced Temperature of Holographic Planar Concentrators

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: STuB4
• OSA Technical Digest (CD)
• Castillo, Jose E; Russo, Juan M; Herr-Cardillo, Starr; Kumar, Rakesh; Rosenberg, Glenn
• We present the temperature data for several examples of holographic planar concentrators. The extended holographic regions act as radiative transfer surfaces which reduce the...

Seasonal and Low Light Performance of a Dual Aperture Holographic Planar Concentrator Photovoltaic Module

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: STuB5
• OSA Technical Digest (CD)
• Russo, Juan M; Castillo, Jose E; Aspnes, Eric; Rosenberg, Glenn
• Dual aperture holographic planar concentrator modules are compared to single aperture modules for a seasonal period of nine months. Seasonal, clear and cloudy day power and energy...

Large Area Optical and Opto-Electronic Solar Thin Film Applications

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: STuC1
• OSA Technical Digest (CD)
• George, Mark
• In this paper we review the predominate large area thin film coating technologies used for manufacture of optical solar devices. We discuss typical film properties and their technical...

2-D Blazed Grating for Light Trapping in Thin Silicon Solar Cells

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: STuC2
• OSA Technical Digest (CD)
• Gjessing, Jo; Sudbø, Aasmund; Marstein, Erik Stensrud
• We propose a novel sub-micron back-side grating for light trapping in thin silicon solar cells. The 2-D-blazed grating has the potential to increase the optical thickness of the solar...

A Scattering Model for Transparent Thin Films with Surface Textures

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: STuC3
• OSA Technical Digest (CD)
• Jaeger, Klaus; Zeman, Miro
• Scattering properties of surface-textured thin films that are used in thin-film silicon solar cells, such as angular intensity distribution and haze, were calculated with the scalar...

Anti Reflection Coating Optimization for Concentrator Solar Cells

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: STuC4
• OSA Technical Digest (CD)
• Victoria, Marta; Domínguez, C; Antón, I; Sala, G
• When optimizing antireflection coating for concentrator solar cells, the incidence angles distribution and the broad spectral bandwidth, must be considered. Here, numerical...

New Optical Concept for Concentrator Photovoltaics

• Abstract
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• Optics for Solar Energy (OSE) 2010 paper: STuD1
• OSA Technical Digest (CD)
• Angel, Roger
• Sunlight is collected by 3.1 x 3.1 m square dish reflectors. At each focus, light is apportioned by secondary optics onto many cells in a concave array, with each cell receiving the...