Refractive index profiling of optical fibers using differential interference contrast microscopy

@article{Dragomir2005RefractiveIP,
  title={Refractive index profiling of optical fibers using differential interference contrast microscopy},
  author={N. Dragomir and E. Ampem-Lassen and S. T. Huntington and G. W. Baxter and Alun Roberts and P. M. Farrell},
  journal={IEEE Photonics Technology Letters},
  year={2005},
  volume={17},
  pages={2149-2151}
}
Here we demonstrate the use of differential interference contrast microscopy with the inverse Abel transform to accurately obtain the refractive-index profile of a single-mode optical fiber. The application of this nondestructive imaging analysis technique provides high precision refractive-index information about the fiber. This technique is robust, rapid, and has diffraction limited spatial resolution. 

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