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Solar Energy, ISSN 0038-092X, 2011, Volume 85, Issue 11, pp. 2881 - 2893
► Intra-hour solar irradiance forecasts with a ground-based total sky imager. ► A combined clear sky library and sunshine parameter method for cloud decision... 
Solar irradiance | Cloud forecast | Sky imager | Red blue ratio | Intra-hour forecast | IRRADIANCES | ENERGY & FUELS | VALIDATION | RADIATION | CLOUD COVER | BRAZIL | Algorithms | Solar energy industry | Clouds | Solar energy | Image processing equipment industry | Mechanical engineering | Aerospace engineering | Sky | Images | Coastal | Spreads | Two dimensional | Forecasting
Journal Article
Solar Energy, ISSN 0038-092X, 05/2015, Volume 115, p. 645
  Techniques for estimating cloud motion and stability for intra-hour forecasting using a ground-based sky imaging system are presented. A variational optical... 
Clouds | Solar energy | Mapping | Estimating techniques | Forecasting techniques | Image processing systems
Journal Article
Optics Express, ISSN 1094-4087, 05/2016, Volume 24, Issue 9, pp. 9383 - 9388
Red, green, blue (RGB) light-emitting-diodes (LEDs) are used to increase the visible light communication (VLC) transmission capacity via... 
OPTICS
Journal Article
Solar Energy, ISSN 0038-092X, 05/2015, Volume 115, pp. 645 - 655
Techniques for estimating cloud motion and stability for intra-hour forecasting using a ground-based sky imaging system are presented. A variational optical... 
Cloud motion tracking | Cloud stability | Sky imager | Solar forecast | SEQUENCES | ENERGY & FUELS | VARIABILITY | SCHEME | SATELLITE IMAGERY | TRACKING | UC SAN-DIEGO | FLOWS | VECTORS
Journal Article
Optics express, ISSN 1094-4087, 05/2019, Volume 27, Issue 11, p. 16377
We propose and experimentally demonstrate a practical visible light position (VLP) system using repeated unit cells and machine learning (ML) algorithms. ML is... 
Journal Article
Optics Communications, ISSN 0030-4018, 11/2019, p. 124968
Journal Article
Optics Letters, ISSN 0146-9592, 09/2018, Volume 43, Issue 18, p. 4333
We propose an integrated vector modulator based on two compact and high-speed germanium-on-silicon Franz–Keldysh electro-absorption modulators. The proposed... 
Construction standards | Quadrature amplitude modulation | Electroabsorption modulators | Footprints | Silicon | Photodiodes
Journal Article
Optics and Laser Technology, ISSN 0030-3992, 08/2018, Volume 104, p. 206
In the demonstration, we propose and investigate a phosphor white-light LED gigabit-per-second visible light communication (VLC) system by utilizing adaptive... 
Polarization | Adaptive systems | White light | Filtration | Multiplexers | Adaptive filters | Light emitting diodes | Equalization | Orthogonal Frequency Division Multiplexing | Filtering systems | Communications systems | Wireless communications | Polarizers | Optical communication | Nonlinearity | Adaptive technology
Journal Article
Optics Express, ISSN 1094-4087, 10/2015, Volume 23, Issue 20, pp. 26080 - 26085
Complementary Metal-Oxide-Semiconductor (CMOS) image sensors are widely used in mobile-phone and cameras. Hence, it is attractive if these image sensors can be... 
SYSTEM | FILTER | OPTICS | PERFORMANCE
Journal Article
Solar Energy, ISSN 0038-092X, 05/2014, Volume 103, pp. 502 - 524
Solar irradiance forecast accuracy of a ground-based sky imaging system currently being developed at UC San Diego is analyzed by assessing its performance on... 
Solar irradiance | Solar forecasting | Sky imager | Cloud forecasting | IMPACT | ENERGY & FUELS | MODEL | RADIATION | Image processing equipment industry | Forecasts and trends | Electric power-plants | Power plants
Journal Article
Optics Express, ISSN 1094-4087, 07/2016, Volume 24, Issue 15, pp. 17505 - 17510
In order to increase the data rate of the camera-based visible light communication (VLC) system, using rolling shutter effect has been demonstrated... 
OPTICS
Journal Article
Optics Express, ISSN 1094-4087, 01/2015, Volume 23, Issue 2, pp. 1133 - 1138
To increase the traffic rate in phosphor-LED visible light communication (VLC), a multi-band orthogonal frequency division multiplexed (OFDM) modulation is... 
Journal Article
Optics Express, ISSN 1094-4087, 11/2013, Volume 21, Issue 22, pp. 26192 - 26197
In this demonstration, we first demonstrate a real-time phosphor-LED visible light communication (VLC) system with 37 Mbit/s total throughput under a 1.5 m... 
SYSTEM | MODULATION SPEED | OPTICS | OFDM
Journal Article
Optics Express, ISSN 1094-4087, 10/2016, Volume 24, Issue 22, pp. 25641 - 25646
Recent visible light communication (VLC) studies mainly used positive-intrinsicnegative (PIN) and avalanche photodiode (APD). VLC using embedded... 
SYSTEM | OPTICS
Journal Article
Optics Express, 12/2014, Volume 22, Issue 25, pp. 30713 - 30718
Journal Article
Optics Express, ISSN 1094-4087, 05/2016, Volume 24, Issue 10, pp. 10898 - 10903
In this investigation, we demonstrate a new colorless orthogonal-frequency-division-multiplexing (OFDM) wavelength-division-multiplexing passive optical... 
NOISE | OPTICS | DOWNSTREAM | PON
Journal Article
OPTICS EXPRESS, ISSN 1094-4087, 12/2014, Volume 22, Issue 25, pp. 30713 - 30718
A novel color-filter-free visible-light communication (VLC) system using red-green-blue (RGB) light emitting diode (LED) and mobile-phone camera is proposed... 
SYSTEM | PERFORMANCE | OPTICS
Journal Article
Optics Express, ISSN 1094-4087, 09/2017, Volume 25, Issue 18, pp. 21019 - 21024
In the investigation, we propose and demonstrate a wavelength-selectable C- plus L-band erbium-doped fiber (EDF) ring laser with single-longitudinal-mode (SLM)... 
Journal Article
Optics Express, ISSN 1094-4087, 08/2014, Volume 22, Issue 17, pp. 20646 - 20651
Optical blue filter is usually regarded as a critical optical component for high speed phosphor-based white light emitting diode (LED)... 
SYSTEM | TRANSMISSION | OPTICS | PERFORMANCE
Journal Article
Optics express, ISSN 1094-4087, 10/2017, Volume 25, Issue 20, p. 24362
Recently even the low-end mobile-phones are equipped with a high-resolution complementary-metal-oxide-semiconductor (CMOS) image sensor. This motivates using a... 
Journal Article
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