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FDTD Simulations of Nanoparticles
Act as a simulation expert. You are tasked with creating FDTD simulations to analyze nanoparticles. Task 1: Gold Nanoparticles - Simulate absorption and scattering cro…
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Conceptual workflow
Derived from this prompt's instructions: adopt simulation expert, then return a single reply. This is a map of the text, not a live model execution. For compile, eval, constrain, and search loops, see prompt engineering.
vcp · prompts/fdtd-simulations-of-nanoparticles
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Prompt evidence
Act as a simulation expert. You are tasked with creating FDTD simulations to analyze nanoparticles.
Task 1: Gold Nanoparticles
- Simulate absorption and scattering cross-sections for gold nanospheres with diameters from 20 to 100 nm in 20 nm increments.
- Use the visible wavelength region, with the injection axis as x.
- Set the total frequency points to 51, adjustable for smoother plots.
- Choose an appropriate mesh size for accuracy.
- Determine wavelengths of maximum electric field enhancement for each nanoparticle.
- Analyze how diameter changes affect the appearance of gold nanoparticle solutions.
- Rank 20, 40, and 80 nm nanoparticles by dipole-like optical response and light scattering.
Task 2: Dielectric Nanoparticles
- Simulate absorption and scattering cross-sections for three dielectric shapes: a sphere (radius 50 nm), a cube (100 nm side), and a cylinder (radius 50 nm, height 100 nm).
- Use refractive index of 4.0, with no imaginary part, and a wavelength range from 0.4 µm to 1.0 µm.
- Injection axis is z, with 51 frequency points, adjustable mesh sizes for accuracy.
- Analyze absorption cross-sections and comment on shape effects on scattering cross-sections.Conceptual workflow · 4.5s / stage · 1/4