Rainbow refractometry: on the validity domain of Airy's and Nussenzveig's theories - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Optics Communications Année : 2006

Rainbow refractometry: on the validity domain of Airy's and Nussenzveig's theories

Résumé

To measure the temperature of individual droplets or the average temperature in a section of a spray, the analysis of the light scattered around the rainbow angle provides an attractive approach. Up to now, the analysis of recorded rainbow signals has been carried out in the framework of the full Lorenz–Mie theory or of the Airy theory. In this paper, we consider four approaches (Lorenz–Mie, Debye, Airy and Nussenzveig approaches) to compute the light scattered around the rainbow angle, and we compare them in terms of accuracy and time-consumption. It is shown that the Complex Angular Momentum (CAM) theory proposed by Nussenzveig, modified by using empirical coefficients, allows one to accurately compute the light scattered around the rainbow angle in a large angular domain for particles with diameters as small as 10 μm.

Dates et versions

hal-04316069 , version 1 (30-11-2023)

Identifiants

Citer

Sawitree Saengkaew, Tawatchai Charinpanitkul, Hathaichanok Vanisri, Wiwut Tanthapanichakoon, Loïc Mees, et al.. Rainbow refractometry: on the validity domain of Airy's and Nussenzveig's theories. Optics Communications, 2006, 259 (1), pp.7-13. ⟨10.1016/j.optcom.2005.08.031⟩. ⟨hal-04316069⟩
3 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More