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TPV efficiency simulation
22 Jul 2013 | Tools | Contributor(s): Qingshuang Chen, Peter Bermel, Roman Shugayev, Masayoshi Sumino, Zhou Zhiguang, Omar R Yehia, Evan L Schlenker
Simulate the efficiency of a thermophotovoltaic system
15 Jun 2015 | Tools | Contributor(s): Evan L Schlenker, Zhou Zhiguang, Peter Bermel, Haejun Chung (editor), Haejun Chung (editor)
Simulates thermophotovoltaic system, accounting for thermal losses.
Thermophotovoltaic Efficiency Simulation
25 Mar 2014 | Presentation Materials | Contributor(s): Qingshuang Chen, Roman Shugayev, Peter Bermel
Thermophotonic Selective Emitter Simulation
14 Jul 2014 | Tools | Contributor(s): Anubha Mathur, Enas Sakr, Peter Bermel, Namrata Vivek Raghavan
Simulate Thermophotovoltaics With Rare Earth-Based Selective Emitters
Symposium on Nanomaterials for Energy: Photonic Nanostructures for Enabling High-Efficiency Thermophotovoltaics
17 May 2012 | Online Presentations | Contributor(s): Peter Bermel
Thermophotovoltaic (TPV) systems generate electricity using heat drawn from one or more of a wide variety of sources, including sunlight, fossil fuels, and radioisotopes. They function as solid-state devices, in which heat is thermally radiated as photons onto TPV modules that generate...
Surprising Nanophotonic Phenomena in Nature and Photonic Modeling with S4
13 Jul 2016 | Online Presentations | Contributor(s): Peter Bermel
I will show how S4sim, a transfer matrix-based optical simulation tool available on nanoHUB.org can be used to precisely calculate these behaviors. A few exciting real-world applications of this work will also be briefly discussed.
Surprising Nanophotonic Phenomena in Nature
11 Jul 2016 | Online Presentations | Contributor(s): Peter Bermel
A broad range of optical phenomena in nature have created long-standing mysteries. For example, what gives butterflies and birds their rich colors? And how can sightings of some unusual natural phenomena like mirages or ball lightning be explained? The process of solving these mysteries has...
Stanford Stratified Structure Solver (S4) Simulation tool
25 Mar 2014 | Presentation Materials | Contributor(s): Chang Liu, Ogaga Daniel Odele, Xufeng Wang, Peter Bermel
10 Oct 2017 | Online Presentations | Contributor(s): Peter Bermel
S4: Stanford Stratified Structure Solver
11 Sep 2012 | Tools | Contributor(s): Jiarui Kang, Xufeng Wang, Peter Bermel, Chang Liu
S4 is a frequency domain code to solve layered periodic structures. Internally, it uses Rigorous Coupled Wave Analysis (RCWA; also called the Fourier Modal Method (FMM)) and the S-matrix algorithm.
Radiative Cooling Experiment
19 May 2017 | Tools | Contributor(s): Yu-wen Lin, Evan L Schlenker, Zhou Zhiguang, Peter Bermel
Simulate a passive radiative cooling solution implementation in an experimental setup.
RadCool: a Web-enabled Simulation Tool for Radiative Cooling
26 Jul 2017 | Presentation Materials | Contributor(s): Yu-wen (Wendy) Lin, Evan L Schlenker, Zhou Zhiguang, Peter Bermel
Thermophotovoltaic (TPV) systems can generate electricity from high-temperature heat sources via thermal radiation. However, the intense heating of a photovoltaic (PV) cell can greatly reduce the overall efficiency of the system. Therefore, it is critical to develop techniques to keep the PV...
Predicting and Optimizing Solar Cell Performance with Material/Surface Characteristics
08 Aug 2018 | Presentation Materials | Contributor(s): Yiheng Zhu, Allison Perna, Peter Bermel
Renewable energy sources have begun replacing fossil fuels at the utility scale. In particular, photovoltaics has grown rapidly in recent years. To further improve solar technology in terms of cost and efficiency and promote adoption, researchers often seek material and device level...
Photovoltaics QCRF-FDTD Simulator
15 Oct 2015 | Tools | Contributor(s): Jacob R Duritsch, Haejun Chung, Peter Bermel
Simulates optical and electrical behaviors of photovoltaic cells using a FDTD simulation method and QCRF material modeling.
nanoHUB-U Nanophotonics Modeling: Scientific Overview
23 Jun 2014 | Online Presentations | Contributor(s): Peter Bermel
A five week course on Nanophotonic Modeling.
Modeling High-Efficiency Rear Junction Photovoltaic Devices
28 Jul 2017 | Presentation Materials | Contributor(s): Valerie C Vidal, Allison Perna, Peter Bermel
Solar cells are a renewable energy technology that has begun to supply energy in many regions of the world at a utility scale. Nonetheless, further improvements in solar technology are still needed to help reduce costs and increase adoption. Many researchers have been particularly interested in...
19 Aug 2013 | Tools | Contributor(s): Xin Tze (Joyce) Tee, Haejun Chung, Peter Bermel
Finite-difference Time-Domain Simulations for photovoltaic cells
Leveraging Computational Research to Engage Industry
28 Sep 2018 | Online Presentations | Contributor(s): Peter Bermel
In this talk, I will discuss the big picture goals of my research group, and how simulation plays a central role in our efforts. I will then discuss how these efforts can be leveraged to engage industry. I will recount some of my experiences over the last decade with startups and...
Generation Model with Coupled Mode Theory
20 Jul 2012 | Tools | Contributor(s): yujie guo, Peter Bermel, Roman Shugayev
Models generation of an optical comb in a multiple-resonance cavity coupled to a single waveguide, using coupled mode theory to represent linear and nonlinear dynamics
Finite-Difference Time-Domain Simulation of Photovoltaic Structures using a Graphical User Interface for MEEP
25 Mar 2014 | Presentation Materials | Contributor(s): Xin Tze (Joyce) Tee, Haejun Chung, Peter Bermel
Failures in Photovoltaic Modules
16 Apr 2015 | Online Presentations | Contributor(s): Peter Bermel
In this talk, I will discuss some of the major sources of performance degradation for common glass-encapsulated PV modules, including crystalline silicon and thin films. The greatest reliability challenges have occurred in the latter, with recent studies showing that thin-film modules operating...
ECE 695NS: Numerical Simulations of Electro-optic Energy Systems
10 Jan 2017 | Courses | Contributor(s): Peter Bermel
SPring 2017This course is currently in production. It is made available in this incomplete form to support the student currently taking this course.
ECE 695NS Lecture 9: Fast Fourier Transforms
12 Jan 2017 | Online Presentations | Contributor(s): Peter Bermel
Outline:Fourier AnalysisSampling TheoremDiscrete Fourier TransformsNaïve approachDanielson-Lanczos lemmaCooley-Tukey algorithmVariations of DFTsCorrelation MeasurementsFourier Signal ProcessingFFTWRationalePlanning and Executing DFTsApplication Examples
ECE 695NS Lecture 8: Photonic Bandstructures in MPB
Outline:Reformulating the EigenproblemSquare Rod Lattice BandstructureTriangular Rod Lattice BandstructurePlotting BandstructuresVisualizing FieldsMaximizing BandgapsDiamond LatticeFinding and Tuning Point Defects
ECE 695NS Lecture 7: Photonic Bandstructure Calculations
Outline:Maxwell eigenproblemMatrix decompositionsReformulating the eigenproblemsIterative eigensolversConjugate gradient solversPreconditionersDavidson solversTargeted solvers