Multi-wavelength coherent random laser in bio-microfibers | Zendy

Zhendong Xie | Zendy; Kang Xie | Zendy; Taoping Hu | Zendy; Jiajun Ma | Zendy; Junxi Zhang | Zendy; Rui Ma | Zendy; Xusheng Cheng | Zendy; Jianquan Li | Zendy; Zhijia Hu | Zendy

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Multi-wavelength coherent random laser in bio-microfibers

Author(s) -

Zhendong Xie,

Kang Xie,

Taoping Hu,

Jiajun Ma,

Junxi Zhang,

Rui Ma,

Xusheng Cheng,

Jianquan Li,

Zhijia Hu

Publication year - 2020

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.384105

Subject(s) - random laser , microfiber , materials science , lasing threshold , fibroin , optics , laser , optoelectronics , fiber laser , coherence (philosophical gambling strategy) , amplified spontaneous emission , wavelength , speckle pattern , silk , physics , quantum mechanics , composite material

In this paper, pure silk protein was extracted from Bombyx mori silks and fabricated into a new kind of disordered bio-microfiber structure using electrospinning technology. Coherent random lasing emission with low threshold was achieved in the silk fibroin fibers. The random lasing emission wavelength can be tuned in the range of 33 nm by controlling the pump location with different scattering strengths. Therefore, the bio-microfiber random lasers can be a wide spectral light source when the system is doped with a gain or energy transfer medium with a large fluorescence emission band. Application of the random lasers of the bio-microfibers as a low-coherence light source in speckle-free imaging had also been studied.

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