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Proceedings Paper

Design guidelines and characteristics of large flattened mode photonic crystal fibers
Author(s): Chujun Zhao; Dianyuan Fan; Ping Zhou; Xiahui Zeng; Guanghui Chen; Wei Mu
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Paper Abstract

We propose a kind of photonic crystal fiber with flat-top fundamental mode by introducing a depressed central dip into the core of the conventional index-guiding photonic crystal fiber. The design guidelines and characteristics of the large flattened mode photonic crystal fiber (LFM-PCF) are discussed in detail. By appropriate design, the effective area of the LFM-PCF can be increased by a factor of greater than 2 as compared with conventional index-guiding photonic crystal fiber with the same hole and pitch parameters. The improved effective area, single mode operation and flat-top fundamental mode output make LFM-PCF an ideal candidate to realize high power, high beam quality fiber amplifiers and lasers.

Paper Details

Date Published: 6 February 2008
PDF: 6 pages
Proc. SPIE 6823, High-Power Lasers and Applications IV, 68230C (6 February 2008); doi: 10.1117/12.755057
Show Author Affiliations
Chujun Zhao, Shanghai Institute of Optics and Fine Mechanics (China)
China Electronics Technology Group Corp. (China)
Dianyuan Fan, Shanghai Institute of Optics and Fine Mechanics (China)
Ping Zhou, Shanghai Institute of Optics and Fine Mechanics (China)
Xiahui Zeng, Shanghai Institute of Optics and Fine Mechanics (China)
Guanghui Chen, China Electronics Technology Group Corp. (China)
Wei Mu, China Electronics Technology Group Corp. (China)


Published in SPIE Proceedings Vol. 6823:
High-Power Lasers and Applications IV
Dianyuan Fan; Robert F. Walter, Editor(s)

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