Scholarlink

<p>The physical optics approximation is widely used in solving the problem of light scattering on large, irregularly shaped particles due to its computational efficiency and physical clarity. However, its accuracy depends strongly on the size and shape of the particles as well as the light scattering angle. In this study, we evaluate the applicability limits of this approximation by comparing its results with those of the discrete dipole approximation, implemented in the ADDA code, across a&#xa0;range of particle morphologies, including hexagonal column, plate, bullet, droxtal, and arbitrary shaped ice particles. Calculations are performed at a&#xa0;wavelength of 0.532 µm for ice with a&#xa0;refractive index of 1.3116 and for particle sizes ranging from 2&#xa0;to 4 µm.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Limits of applicability of the physical optics approximation: Dependence on particle size, shape, and scattering angle

  • 期刊论文

  • 发表日期：

    2026年1月15日

查看全文
  • K. S. Salnikov,
  • A. V. Konoshonkin,
  • N. V. Kustova,
  • I. V. Tkachev,
  • N. V. Kan,
  • A. V. Shaleev,
  • D. N. Timofeev,
  • V. A. Shishko

摘要

The physical optics approximation is widely used in solving the problem of light scattering on large, irregularly shaped particles due to its computational efficiency and physical clarity. However, its accuracy depends strongly on the size and shape of the particles as well as the light scattering angle. In this study, we evaluate the applicability limits of this approximation by comparing its results with those of the discrete dipole approximation, implemented in the ADDA code, across a range of particle morphologies, including hexagonal column, plate, bullet, droxtal, and arbitrary shaped ice particles. Calculations are performed at a wavelength of 0.532 µm for ice with a refractive index of 1.3116 and for particle sizes ranging from 2 to 4 µm.