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Title: Experimental and theoretical investigation of the polymer optical fiber random laser with resonant feedback
Authors: He, J 
Chan, WK 
Cheng, X 
Tse, ML 
Lu, C 
Wai, PK 
Savovic, S
Tam, HY 
Keywords: Fiber devices
Monte Carlo simulations
Polymer optical fibers
Random lasers
Issue Date: 2018
Publisher: Wiley-VCH
Source: Advanced optical materials, 2018, v. 6, no. 7, 1701187 How to cite?
Journal: Advanced optical materials 
Abstract: 1D random fiber laser is a novel fiber-based laser, which exhibits many unique optical properties and shows great promise for various applications including speckle-free imaging. A multimode and coherent polymer optical fiber random laser (POFRL) is successfully fabricated by doping TiO2 nanoparticles and Rh640 perchlorate dyes in the core of a polymer optical fiber (POF). The waveguide effect provided by the POF greatly increases the multiscattering events for light propagation and results in laser cavity with much shorter length than the scattering mean free path. As an illustration of potential applications, a clear speckle-free imaging is demonstrated using the POFRL as the illumination source. Furthermore, a four-level Monte Carlo method-based numerical model is proposed to describe the lasing dynamics in POFRL. The model supports the experimental work in the research field of POFRL.
EISSN: 2195-1071
DOI: 10.1002/adom.201701187
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