Beam quality of photonic-crystal fibers

被引：35
|
作者：
Mafi, A [1 ]
Moloney, JV
机构：
[1] Univ Arizona, Ctr Opt Sci, Tucson, AZ 85721 USA
[2] Univ Arizona, Arizona Ctr Math Sci, Tucson, AZ 85721 USA
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2005年 / 23卷 / 07期
关键词：
beam quality factor; photonic crystals;
D O I：
10.1109/JLT.2005.850028
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we investigate the beam quality of photonic-crystal fibers (PCFs) with one, three, and seven missing airholes. The beam quality factor M-2 of a PCF is generally larger than unity, even if it is single mode. The results are especially important for the design and measurements of single-mode PCF lasers. A comparison between an M2 measurement of the laser beam and the reported numbers can establish whether a PCF laser is operating as single mode or is contaminated by higher order modes.
引用
收藏
页码：2267 / 2270
页数：4
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