Kuan Fang Ren

RESEARCH

THEORETICAL RESEARCH:

• Development of Vectorial Compex Ray Model for interaction of light with an object of arbitrary shape and smooth surface.
• Theoretical and numerical research on laser beam scattering by a homogeneous or layered spherical and cylindrical particle.
• Prediction of mechanical effects (force and torque) exerted on a particle by a laser beam.

EXPERIMENTAL RESEARCH:

• Extinction spectrometry and its applications in the measurement of Fine particles such as wet vapor, soot, aerosols, etc.
• Particle imaging and applications in shadow Doppler velocimetry, Glaire Spot Phase, …
• Rainbow refractometry and applications to the study of the stability of a liquid jet and the characterization of non-spherical particles, …

TEACHING and LECTURES

The tecaching materials (courses, exercises …) for the students at Rouen University are found on Universitie

Lecture series:

Scattering of shaped beam by particles and its applications

• Fundamentals of light scattering by small particles pdf
• Scattering of plane wave by regular shape particles pdf
• Description and scattering of shaped beam pdf
• Ray theory of wave and its applications pdf

Ray theory of waves (pdf files are here)

• Fundamentals of geometrical optics and physical optics
• Light scattering with geometrical optics
  
• Vectorial Complex Ray Model
• Ray Theory of waves and its applications

Ray model of light and its applications to multiphase flow measurements (pdf files are here)

• Fundamentals of optics pdf
• Light scattering with geometrical optics pdf
• Rainbow, imaging and measurement techniques pdf
• Ray Theory of waves and its applications pdf 

Publications

• C. Zhang, C. Rozé, and K. F. Ren, “Airy theory revisited with VCRM and physical optics”, ELS XIX 2021 pdf
• K. F. Ren and C. Rozé, “Vectorial Complex Ray Model for light scattering of nonspherical particles”, Chap. 7 in Advances in Optics : Reviews, vol. 1, IFSA Publishing, 2018 pdf
• K. F. Ren, F. Onofri, C. Rozé and T. Girasole, “Vectorial complex ray model and application to two dimensional scattering of plane wave by a spheroidal particle", Opt. Lett. 36(3) : 370-372, 2011 pdf
• F. Onofri, K. F. Ren, M. Sentis, Q. Gaubert, and C. Pelcé, “Experimental validation of the vectorial complex ray model on the inter-caustics scattering of oblate droplets", Opt. Exp. 23(12), 15768-15773, 2015 pdf
• K. F. Ren “Numerical techniques for shaped beam scattering by large and absorbing particle using variable separation methods" , LIP 2014, Marseille (France), Keynote

More publications …