Density-dependent determination of scattering properties of pharmaceutical tablets using coherent backscattering spectroscopy | Zendy

Annika Häffner | Zendy; Philipp Krauter | Zendy; Alwin Kienle | Zendy

Open Access

Density-dependent determination of scattering properties of pharmaceutical tablets using coherent backscattering spectroscopy

Author(s) -

Annika Häffner,

Philipp Krauter,

Alwin Kienle

Publication year - 2018

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.26.019964

Subject(s) - coherent backscattering , scattering , materials science , radiative transfer , optics , spectroscopy , forward scatter , focus (optics) , physics , quantum mechanics

We report on measurements of coherent backscattering from pharmaceutical tablets. Experimental data is analysed using the radiative transfer equation with focus on the determination of the reduced scattering coefficient μs'. The results show a good agreement with μs' determined by measuring the spatially resolved reflectance, whereat we demonstrate advantages of the coherent backscattering measurements. Furthermore, we present a correlation between μs' and tablet compression force, respectively density.

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