Improvement of beam quality in the far-field of annular core optical fibers by realizing single-mode operation

Xiangyun Hui; Kailiang Duan

doi:10.1117/12.975961

15 October 2012 Improvement of beam quality in the far-field of annular core optical fibers by realizing single-mode operation

Xiangyun Hui, Kailiang Duan

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Proceedings Volume 8419, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Sensing, Imaging, and Solar Energy; 841931 (2012) https://doi.org/10.1117/12.975961
Event: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2012), 2012, Xiamen, China

Abstract

We have improved the beam quality by realizing single-mode operation in the annular core optical fibers (ACF), and discuss the relations between single-mode and its design parameters. Moreover the effect of the thickness of the guiding section on the energy distribution in the far-field is analyzed. With proper parameters design, more than 99% of the annular light emitted from ACF could be centralized at a bright spot in the far-field. These results may provide a theoretical guidance for the design and application of ACF.

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Xiangyun Hui and Kailiang Duan "Improvement of beam quality in the far-field of annular core optical fibers by realizing single-mode operation", Proc. SPIE 8419, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Sensing, Imaging, and Solar Energy, 841931 (15 October 2012); https://doi.org/10.1117/12.975961

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KEYWORDS

Cladding

Optical fibers

Fiber lasers

Refractive index

Imaging devices

Laser applications

Laser development

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