. Author manuscript; available in PMC: 2017 Sep 1.

Published in final edited form as: Rev Sci Instrum. 2016 Sep;87(9):093703. doi: 10.1063/1.4962034

Table II.

Comparison of literature reported values for index of refraction of select polymer microspheres alongside with SPRI and QPI measured values with associated standard deviations in measurement. (xx = no data or citation available).

Microsphere Material	n (reported)	SPRI n (measured)	QPI n (measured)
PMMA	1.484³²	xx	1.481 ± 0.001
Silica	1.421³²	1.420 ± 0.011	1.425 ± 0.003
Sephacryl	xx	1.358 ± 0.001	1.359 ± 0.004
Gelatin (4% agarose bead)	xx	1.345 ± 0.001	1.344 ± 0.002