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Photonic bandgap fibers for transmitting high peak-power pulses in the near infrared

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Photonic bandgap fibers for transmitting high peak-power pulses in the near infrared

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Author: Ruff, Zachary
Other Contributors: Massachusetts Institute of Technology. Dept. of Materials Science and Engineering.
Advisor: Yoel Fink.
Department: Massachusetts Institute of Technology. Dept. of Materials Science and Engineering.
Publisher: Massachusetts Institute of Technology
Date Issued: 2010
Abstract:
Hollow-core photonic bandgap fibers (PBG) offer the opportunity to suppress highly the optical absorption and nonlinearities of their constituent materials, which makes them viable candidates for transmitting high-peak power pulses. This thesis demonstrates the fabrication and characterization of polymer-composite PBG fibers in a novel materials system, polycarbonate and arsenic sulfide glass. Propagation losses for the 60pm-core fibers are less than 2dB/m, a 52x improvement over previous PBG fibers at this wavelength. Through preferential coupling the fiber is capable of operating with over 97% the fiber's power output in the fundamental (HE,,) mode. The fiber transmitted pulses with peak powers of 11.4 MW before failure.
Description:
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2010.Includes bibliographical references (p. [41-42]).
URI: http://hdl.handle.net/1721.1/59249
Keywords: Materials Science and Engineering.

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