Simultaneous determination of the aerosol complex index of refraction and size distribution from scattering measurements of polarized light

Fengsheng Zhao, Zhiben Gong, Huanling Hu, Masayuki Tanaka, Tadahiro Hayasaka

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)

Abstract

In this study we attempt to determine the aerosol complex index of refraction and size distribution from scattering measurements of polarized light. We illustrate that the scattering matrix elements M2 (100°) and D21 (150°) can be selected as an optimum set of matrix elements for determination of the complex index of refraction. We also illustrate that errors increase if we include insensitive scattering matrix elements in the determination of the complex index of refraction. A method is developed for the simultaneous determination of the complex index of refraction and the size distribution. In our method, we selected two sets of matrix elements, M2 (100°) and D21 (150°), for the determination of the complex index of refraction and others, which are much less sensitive to the complex index of refraction than M2 (100°) and D21 (150°), for the determination of the size distribution, based on their sensitivity analyses. A modified inversion library algorithm is adopted to solve the coupled system. Numerical experiments show that both the complex index of refraction and the size distribution can be determined with reasonable accuracy when we apply our method to scattering measurements of polarized light.

Original languageEnglish
Pages (from-to)7992-8001
Number of pages10
JournalApplied optics
Volume36
Issue number30
DOIs
Publication statusPublished - 1997 Oct 20

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

Fingerprint Dive into the research topics of 'Simultaneous determination of the aerosol complex index of refraction and size distribution from scattering measurements of polarized light'. Together they form a unique fingerprint.

Cite this