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A special kind of fiber device which we called it as optical fiber brush which would like to be used in astronomy is introduced in our paper. In this paper, we investigate its fabricating technique and the supermodes coupling characterization. In order to investigate and compare the divergence angle of different supermodes, near-field and far-field distributions of them are also calculated. Comparing...
In order to further improve the optical efficiency of the optical fiber image slicer, we designed an embedded microstructure fiber slicer. To reduce the transmission loss, we designed and fabricated a large-heating-zone moving planner-flame taper system to manufacture the fiber slicer. We studied the influence of the heating-zone, reasonable heating-zone could improve the device quality. As the heater...
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