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Mid-infrared transmission properties of amorphous germanium optical fibers

By Priyanth Mehta, Mahesh Krishnamurthi, Noel Healy, Neil F. Baril, Justin R. Sparks, Pier J.A. Sazio, Venkatraman Gopalan, John V. Badding and Anna C. Peacock


Germanium optical fibers have been fabricated using a high pressure chemical deposition technique to deposit the semiconductor material inside a silica capillary. The amorphous germanium core material has a small percentage of hydrogen that saturates the dangling bonds to reduce absorption loss. Optical transmission measurements were performed to determine the linear losses over a broad mid-infrared wavelength range with the lowest loss recorded at 10.6 µm. The extended transmission range measured in the germanium fibers demonstrates their potential for use in mid-infrared applications

Topics: QC
Year: 2010
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Provided by: e-Prints Soton

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