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Rev Sci Instrum. 2014 Jan;85(1):016102. doi: 10.1063/1.4861347.

Note: refractive index as an indicator for non-homogeneous solid identification.

Author information

1
The Key Laboratory of Weak-Light Nonlinear Photonics, Ministry of Education, School of Physics and TEDA Applied Physics School, Nankai University, Tianjin 300071, China.

Abstract

Non-homogenous material such as solid composite materials examination using refractive index-sensing remains a challenge for researchers. A derivative total reflection method for simultaneous measurement of the refractive indices of various components of a non-homogeneous solid was developed. Only a measurement of the reflectance from the surface of composite sample is necessary. In our experiments, simulation samples, porcine tissue, and Rosso Levanto marble samples were measured to verify proposed method.

PMID:
24517827
DOI:
10.1063/1.4861347
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