High-Precision Modal Decomposition of Laser Beams Based on Globally Optimized SPGD Algorithm

High-Precision Modal Decomposition of Laser Beams Based on Globally Optimized SPGD Algorithm

We propose a globally optimized stochastic parallel gradient descent (SPGD) algorithm to analyze the modal content of laser beams with high precision. Modal decomposition (MD) based on conventional SPGD algorithms often falls to a local minimum when a laser beam consists of six or more fiber eigenmo...

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Bibliographic Details
Main Authors: Kyuhong Choi, Changsu Jun
Format: Article
Language:English
Published: IEEE 2019-01-01
Series:IEEE Photonics Journal
Subjects:
Modal decomposition
SPGD algorithm
fiber laser
global minimum
Online Access:https://ieeexplore.ieee.org/document/8811476/

Internet

https://ieeexplore.ieee.org/document/8811476/

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