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

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.

Citation Download Citation

Adèle Morisset, Elodie Durbize, Bruno Chassagne, Christophe Pierre, Arnaud Zoubir, and 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); https://doi.org/10.1117/12.907948

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