Electromagnetic Characterization of Periodic Plasmonic Materials
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Some points exposed in a closed seminar of the Ph.D. program on Electromagnetic, Electronic, Computer and Mechanic Engineerings Students.
Electromagnetic Characterization of Periodic Plasmonic Materials
- 1. serna@unex.es http://albertosernait.es @SernaOnline Electromagnetic Characterization of Periodic Plasmonic Materials Alberto Serna Martn Doctorado en Tecnologa Aeroespacial Ingenieras Electromagntica, Electrnica, Informtica y Mecnica Advisor: Ph.D. Luis Landesa Porras 9 de septiembre de 2015
- 2. serna@unex.es http://albertosernait.es @SernaOnline ? Introduction ? Periodic structures and slotFFT ? Acceleration through matrix compression ? Achieved results ? Current lines and near future goals Outline 1
- 3. serna@unex.es http://albertosernait.es @SernaOnline ? Method of Moments ? Finite Element Method ? Etc. Introduction 2
- 4. serna@unex.es http://albertosernait.es @SernaOnline ? 3x3x3 ? 3,42 GB Introduction 3
- 5. serna@unex.es http://albertosernait.es @SernaOnline ? 3x3x3 ? 3,42 GB ? 10x10x3 ? 419,00 GB Introduction 4
- 6. serna@unex.es http://albertosernait.es @SernaOnline ? 3x3x3 ? 3,42 GB ? 1,01 GB (3D) ? 10x10x3 ? 419,00 GB ? 11,20 GB (3D) PeriodicstructuresandslotFFT 5
- 7. serna@unex.es http://albertosernait.es @SernaOnline ? Convergence time C Cell size C Number of periodic dimensions PeriodicstructuresandslotFFT 6
- 8. serna@unex.es http://albertosernait.es @SernaOnline ? Convergence time C Cell size C Number of periodic dimensions ? Upcoming challenges C Massive number of elements PeriodicstructuresandslotFFT 7
- 9. serna@unex.es http://albertosernait.es @SernaOnline ? Convergence time C Cell size C Number of periodic dimensions ? Upcoming challenges C Massive number of elements ? Photonic crystal of 200 elements C 5 periodic dimensions (1,2TB RAM) PeriodicstructuresandslotFFT 8
- 10. serna@unex.es http://albertosernait.es @SernaOnline ? Domain change in Z matrix Accelerationthroughmatrixcompression 9
- 11. serna@unex.es http://albertosernait.es @SernaOnline ? Domain change in Z matrix ? G matrix C Describes the way an object radiates energy C SVD ? macrobasis Accelerationthroughmatrixcompression 10
- 12. serna@unex.es http://albertosernait.es @SernaOnline ? Domain change in Z matrix ? G matrix C Describes the way an object radiates energy C SVD ? macrobasis ? Precision C acceleration compromise Accelerationthroughmatrixcompression 11
- 13. serna@unex.es http://albertosernait.es @SernaOnline ? High precision loss due to the evanescent fields C Unacceptable in resonating structures Improvingprecisionthroughthresholds 12
- 14. serna@unex.es http://albertosernait.es @SernaOnline ? Self-coupling and adjacent impedance matrices are calculated with MoM C Determined by the application of a threshold Improvingprecisionthroughthresholds 13
- 15. serna@unex.es http://albertosernait.es @SernaOnline Achievedresults 14 ? 4x4x4 array of dielectric spheres @ 785nm C 60/540 macrobasis
- 16. serna@unex.es http://albertosernait.es @SernaOnline ? Study of the precision-acceleration compromise ? Implementation of a new preconditioner to improve convergence speed in periodic structures ? Analysis of real and reference examples Currentlinesandnearfuturegoals 15
- 17. serna@unex.es http://albertosernait.es @SernaOnline Thanks for your attention 16