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Fabrication of corrugated Ge-doped silica fibers

Optics Express, ISSN: 1094-4087, Vol: 20, Issue: 13, Page: 14508-14513
2012
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Metrics Details

  • Citations
    1
    • Citation Indexes
      1
  • Captures
    13

Article Description

We present a method of fabricating Ge-doped SiO2 fibers with corrugations around their full circumference for a desired length in the longitudinal direction. The procedure comprises three steps: hydrogenation of Ge-doped SiO2 fibers to increase photosensitivity, recording of Bragg gratings with ultraviolet light to achieve modulation of refractive index, and chemical etching. Finite-length, radially corrugated fibers may be used as couplers. Corrugated tapered fibers are used as high energy throughput probes in scanning near-field optical microscopy. © 2012 Optical Society of America.

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