Multimode fiber-based high-power laser distribution using DLP technology

Adèle Morisset; Elodie Durbize; Bruno Chassagne; Christophe Pierre; Arnaud Zoubir; Sébastien Ermeneux

doi:10.1117/12.907948

13 February 2012 Multimode fiber-based high-power laser distribution using DLP technology

Adèle Morisset; Elodie Durbize; Bruno Chassagne; Christophe Pierre; Arnaud Zoubir; Sébastien Ermeneux;

Author Affiliations +

Proceedings Volume 8254, Emerging Digital Micromirror Device Based Systems and Applications IV; 82540L (2012) https://doi.org/10.1117/12.907948
Event: SPIE MOEMS-MEMS, 2012, San Francisco, California, United States

Abstract

Directing high laser power spatially and temporally is of major interest for various applications. We developed a compact and efficient system based on a DMD and consisting of a homemade multimode high-brightness fiber splitter and a 60-Watt laser diode. This design enables computer-controlled distribution of several Watts of laser power to each or several optical fibers in the bundle consisting of 7 fibers in this paper (but it can be extended to 19, 37 or more fibers). The coupling efficiency and extinction ratio were measured and optimized. An overall efficiency of about 9% was demonstrated by considering all losses due to DMD efficiency, geometric fill factor and fiber coupling efficiency, with extinction ratios between 20 and 45dB.

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Adèle Morisset, Elodie Durbize, Bruno Chassagne, Christophe Pierre, Arnaud Zoubir, Sébastien Ermeneux, "Multimode fiber-based high-power laser distribution using DLP technology", Proc. SPIE 8254, Emerging Digital Micromirror Device Based Systems and Applications IV, 82540L (13 February 2012); doi: 10.1117/12.907948; https://doi.org/10.1117/12.907948

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