A Cascaded Multi- and Single-Mode Fiber Transporting for Laser Beam

Zhi Gang Xiao; Yao Jiang; Xiao Xiao

doi:10.4028/www.scientific.net/AMM.109.222

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 109A Cascaded Multi- and Single-Mode Fiber...

A Cascaded Multi- and Single-Mode Fiber Transporting for Laser Beam

Abstract:

A model to calculate the butt-joint coupling efficiency between a multi-mode fiber to a single-mode fiber is presented based on a mode field coupling theory. The dependence of the coupling efficiency between the multi- and single-mode fibers on the core radius of the multi-mode fiber is investigated. A experiment is conducted with 532nm laser to measure the butt joint coupling efficiency of a multi-mode fiber to a single-mode fiber. Good agreement is obtained between the experimental results and the theoretical predictions. A cascaded multi- and single-mode fiber relay system is proposed to transport a laser beam with high power and good beam quality.

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Periodical:

Applied Mechanics and Materials (Volume 109)

Pages:

222-227

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.109.222

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Online since:

October 2011

Authors:

Zhi Gang Xiao, Yao Jiang, Xiao Xiao

Keywords:

Beam Quality, Fiber Relay, Multi-Fiber, Single-Fiber

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