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Related Experiment Video

Updated: Feb 25, 2026

Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light
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Tunable random polymer fiber laser.

Zhijia Hu, Jiangying Xia, Yunyun Liang

    Optics Express
    |August 10, 2017
    PubMed
    Summary
    This summary is machine-generated.

    Temperature-controlled random lasers (RLs) were achieved in polymer optical fibers (POFs) using Pyrromethene 597 (PM597) dye. Changing the fiber core

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    Area of Science:

    • Optics and Photonics
    • Materials Science
    • Nanotechnology

    Background:

    • Random lasers (RLs) offer unique light emission properties.
    • Controlling RL emission wavelength is crucial for applications.
    • Polymer optical fibers (POFs) provide a tunable platform for optical devices.

    Purpose of the Study:

    • To demonstrate on-line temperature-controlled random lasers (RLs) in Pyrromethene 597 (PM597) doped polymer optical fibers (POFs).
    • To investigate the effect of temperature on the emission wavelength of RLs in POFs.
    • To explore the role of refractive index and scattering mean free path in temperature-tunable RLs.

    Main Methods:

    • Fabrication of PM597-doped POFs.
    • Utilizing polyhedral oligomeric silsesquioxanes (POSS) nanoparticles and Fe3O4/SiO2 nanoparticles as scattering elements.
    • Implementing temperature control for on-line wavelength tuning of RLs.
    • Analyzing the relationship between temperature, refractive index, scattering mean free path, and RL emission wavelength.

    Main Results:

    • Successful realization of temperature-controlled RLs in PM597-doped POFs.
    • Demonstrated red-shift in RL emission wavelength with increasing temperature.
    • Established strong dependence of scattering mean free path on the matrix refractive index, enabling wavelength control.
    • Showcased tunability of RL emission wavelength via temperature changes.

    Conclusions:

    • Temperature-driven tuning of RL emission wavelength in PM597-doped POFs is feasible.
    • The thermo-optic coefficient of the polymer core is key for temperature-induced refractive index changes.
    • This work provides a pathway for developing tunable random laser sources for various applications.