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Microstructured polymer fiber laser.

Alexander Argyros1, Martijn A van Eijkelenborg, Stuart D Jackson

  • 1Australian Photonics Cooperative Research Centre, Optical Fibre Technology Centre and School of Physics, University of Sydney, Sydney, NSW 2006, Australia. a.argyros@oftc.usyd.edu.au

Optics Letters
|September 11, 2004
PubMed
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Researchers developed a Rhodamine 6G-doped polymer optical fiber, achieving over 30 dB gain as an optical amplifier and functioning as a pulsed fiber laser with low threshold and high efficiency. This offers potential for compact, tunable solid-state light sources.

Area of Science:

  • Materials Science
  • Optics and Photonics
  • Laser Physics

Background:

  • Polymer optical fibers offer unique advantages over traditional silica fibers.
  • Doping optical fibers with gain media is crucial for developing fiber lasers and amplifiers.
  • Rhodamine 6G is a well-known laser dye with efficient optical properties.

Purpose of the Study:

  • To fabricate and characterize a microstructured polymer optical fiber doped with Rhodamine 6G.
  • To demonstrate the fiber's capability as an optical amplifier.
  • To evaluate the fiber's performance as a pulsed fiber laser source.

Main Methods:

  • Fabrication of a microstructured polymer optical fiber.
  • Doping the fiber core with Rhodamine 6G dye.

Related Experiment Videos

  • Characterization of optical gain and laser performance (threshold, efficiency, lifetime, output energy).

    • Main Results:

    • Achieved optical gain exceeding 30 dB as an amplifier.
    • Demonstrated pulsed fiber laser operation with a 20 microJ threshold.
    • Recorded a slope efficiency of 18% and a lifetime of 130,000 shots at 10 Hz.
    • Maximum output energy of 16 microJ was obtained.

    Conclusions:

    • The Rhodamine 6G-doped microstructured polymer optical fiber is effective as both an optical amplifier and a pulsed fiber laser.
    • The fiber fabrication is simple and flexible, enabling potential for compact, tunable solid-state sources.
    • This work highlights the potential of doped polymer optical fibers in photonics applications.