Mr. Francis O. Afzal Profile

Francis O. Afzal

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Publications (4)

Proceedings Article | 5 March 2019 Presentation + Paper

Porous silicon sensors: From on-chip to mobile diagnostics

Tengfei Cao, Caitlin Carfano, Gilberto Rodriguez, Moinul Choudhury, Francis Afzal, Sharon Weiss

Proceedings Volume 10891, 1089112 (2019) https://doi.org/10.1117/12.2508685

KEYWORDS: Resonators, Photonic crystals, Silicon, Sensors, Molecules, Cameras, Reflectivity, Diagnostics, Waveguides, Biosensors

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Proceedings Article | 31 August 2017 Presentation + Paper

Effects of coupling configuration on resonance excitation in a slotted photonic crystal nanobeam

Francis Afzal, Sharon Weiss

Proceedings Volume 10354, 1035407 (2017) https://doi.org/10.1117/12.2274039

KEYWORDS: Photonic crystals, Light-matter interactions, Nanolithography, Reactive ion etching, Optomechanical design, Crystal optics, Silicon photonics, Optical signal processing, Photovoltaics, Optical sensing

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Proceedings Article | 12 September 2014 Paper

Optimized aperiodic highly directional narrowband infrared emitters

Christopher Granier, Francis Afzal, Changjun Min, Jonathan Dowling, Georgios Veronis

Proceedings Volume 9162, 91621G (2014) https://doi.org/10.1117/12.2061241

KEYWORDS: Tungsten, Silica, Silicon, Photonic crystals, Genetic algorithms, Carbon monoxide, Structural design, Infrared radiation, Genetics, Sensors

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Proceedings Article | 25 September 2013 Paper

Multilayer structures with highly directional absorptivity for solar thermophotovoltaics

Christopher Granier, Francis Afzal, Georgios Veronis, Jonathan Dowling

Proceedings Volume 8824, 88240M (2013) https://doi.org/10.1117/12.2024773

KEYWORDS: Tungsten, Silicon, Silica, Photonic nanostructures, Solar energy, Polarization, Matrices, Absorption, Photonics systems, Refraction

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