Double-clad fiber for endoscopy.

  title={Double-clad fiber for endoscopy.},
  author={Dvir Yelin and Brett E. Bouma and Seok Hyun Yun and Guillermo J. Tearney},
  journal={Optics letters},
  volume={29 20},
Endoscopes employing a single optical fiber may have advantages over conventional fiber-bundle or CCD array imaging techniques, including the potential for greater flexibility and miniaturization. Although single-mode fibers can provide superior resolution compared with multimode fibers, they are prone to increased speckle noise and suffer from limited optical throughput and reduced depth of field. We demonstrate the use of a double-clad fiber for single-mode illumination and multimode… CONTINUE READING

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