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Issue 29, 2015
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Direct writing of tunable multi-wavelength polymer lasers on a flexible substrate

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Abstract

Tunable multi-wavelength polymer lasers based on two-dimensional distributed feedback structures are fabricated on a transparent flexible substrate using interference ablation. A scalene triangular lattice structure was designed to support stable tri-wavelength lasing emission and was achieved through multiple exposure processes. Three wavelengths were controlled by three periods of the compound cavity. Mode competition among different cavity modes was observed by changing the pump fluence. Both a redshift and blueshift of the laser wavelength could be achieved by bending the soft substrate. These results not only provide insight into the physical mechanisms behind co-cavity polymer lasers but also introduce new laser sources and laser designs for white light lasers.

Graphical abstract: Direct writing of tunable multi-wavelength polymer lasers on a flexible substrate

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Publication details

The article was received on 24 Mar 2015, accepted on 23 Jun 2015 and first published on 24 Jun 2015


Article type: Communication
DOI: 10.1039/C5NR01871D
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Citation: Nanoscale, 2015,7, 12312-12317

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    Direct writing of tunable multi-wavelength polymer lasers on a flexible substrate

    T. Zhai, Y. Wang, L. Chen and X. Zhang, Nanoscale, 2015, 7, 12312
    DOI: 10.1039/C5NR01871D

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