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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 31 — Nov. 1, 2013
  • pp: 7407–7410

Multiring large-mode-area delivery fiber for high power

Lu Li, Aidong Zhang, Huan Zhan, Jianli He, Tengfei Shi, Zhiguang Zhou, Xusheng Xiao, and Aoxiang Lin  »View Author Affiliations

Applied Optics, Vol. 52, Issue 31, pp. 7407-7410 (2013)

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The study presents a novel design of multiring delivery fiber with large mode area for high power. Using a FiberCAD method, we investigated a fiber whose core is surrounded by alternative low- and high-index rings. Based on our calculation, the effective area is 400μm2 at 1.08 μm, larger than the 280μm2 of conventional step-index fiber (20/400). The macrobending loss at 1.08 μm is estimated to be 1×103dB/m, approximately one-third that of conventional step-index fiber (20/400). The single-mode operation can be achieved by the macrobending loss contrast between the fundamental mode (<1dB/m) and high-order mode (>100dB/m). The results indicate that multiring delivery fiber fabricated by modified chemical vapor deposition process is a promising candidate for high-power transmission.

© 2013 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2290) Fiber optics and optical communications : Fiber materials
(060.2430) Fiber optics and optical communications : Fibers, single-mode
(140.3613) Lasers and laser optics : Lasers, upconversion

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: June 24, 2013
Manuscript Accepted: September 25, 2013
Published: October 21, 2013

Lu Li, Aidong Zhang, Huan Zhan, Jianli He, Tengfei Shi, Zhiguang Zhou, Xusheng Xiao, and Aoxiang Lin, "Multiring large-mode-area delivery fiber for high power," Appl. Opt. 52, 7407-7410 (2013)

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