Abstract
We present results of absorbance measurements in the range of 300900 nm on submicrometer-size solid silver needles with aspect ratios near 7:1. The needles have parallel major axes and are formed on a transparent substrate. The needles are modeled as prolate spheroids with shapes determined from electron micrographs. Absorbance spectra as a function of wavelength, polarization, and angle are compared to theoretical absorbance curves derived from electrodynamic theory.
Original language | English |
---|---|
Pages (from-to) | 8015-8021 |
Number of pages | 7 |
Journal | Physical Review B |
Volume | 37 |
Issue number | 14 |
DOIs | |
State | Published - 1988 |
Externally published | Yes |