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What I did today:
I continued learning to use Ansys Lumerical FDTD. I followed along youtube tutorials by "Computational Nanophotonics Videos." In doing so, I learned how to make a variety of spectra for differing materials (specifically silver and a dielectric material of index 3.6). I then compared the spectra created using Ansys, to the expected spectra, calculated using a Mie Theory Calculator. I also explored the magnetic resonance modes seen clearly in the dielectric material of index 3.6.
Apart from this, I continued to read material to expand my knowledge and grow my terminology in the subject.
Some pictures/videos:
What we expect for the scattering and absorption spectra of silver sphere:
What we get using Ansys (first picture is scattering, second is absorption):
What is expected for the scattering and absorption spectra of dielectric sphere with index 3.6 (similar to silicon):
Note: peak at around 375 nm is the magnetic dipole mode. You can see the magnetic resonance images for the dielectric sphere, created using Ansys, below.
What we get using Ansys (first picture is scattering, second is absorption):
Lesson_Scattering _monitor.m1vWhat I plan to do tomorrow:
Continue trying new simulations using Ansys.
Credit:
Youtube Channel Name: Computational Nanophotonics Videos
Link: https://www.youtube.com/@computationalnanophotonics9545
Mie Theory Calculator Link: https://nanocomposix.com/pages/mie-theory-calculator
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