Abstract
For optical modeling and other purposes, we have created a library
of 57 liquids for which we have measured the complex optical constants n
and k. These liquids vary in their nature, ranging in properties that
include chemical structure, optical band strength, volatility, and
viscosity. By obtaining the optical constants, one can model most optical
phenomena in media and at interfaces including reflection, refraction, and
dispersion. Based on the works of others, we have developed improved
protocols using multiple path lengths to determine the optical constants
n/k for dozens of liquids, including inorganic, organic, and
organophosphorus compounds. Detailed descriptions of the measurement and
data reduction protocols are discussed; agreement of the derived optical
constant n and k values with literature values are presented. We also
present results using the n/k values as applied to an optical modeling
scenario whereby the derived data are presented and tested for models of 1
µm and 100 µm layers for dimethyl methylphosphonate (DMMP)
on both metal (aluminum) and dielectric (soda lime glass) substrates to
show substantial differences between the reflected signal from highly
reflective substrates and less-reflective substrates.
© 2017 The Author(s)
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