Three-dimensional refractive index measurement by digital holographic microscopy

Lihong Ma; Hui Wang; Yong Li; Linglong Su

doi:10.1117/12.2021057

22 June 2013 Three-dimensional refractive index measurement by digital holographic microscopy

Lihong Ma, Hui Wang, Yong Li, Linglong Su

Proceedings Volume 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013); 87693H (2013) https://doi.org/10.1117/12.2021057
Event: International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 2013, Singapore, Singapore

Abstract

The tomographic refractive index imaging technique by digital holographic microscopy with sample rotation is presented. First, transmission phase images are numerically reconstructed from holograms acquired at regularly-spaced angular positions for the rotating sample. Then, the three-dimensional refractive index spatial distribution is reconstructed by filtered back-projection algorithm. Last, the experiments are carried out and the three-dimensional refractive index distribution of single-mode and single-mode polarization maintaining optical fibers is accurately reconstructed.

Citation Download Citation

Lihong Ma, Hui Wang, Yong Li, and Linglong Su "Three-dimensional refractive index measurement by digital holographic microscopy", Proc. SPIE 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 87693H (22 June 2013); https://doi.org/10.1117/12.2021057

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