Generation of controllable nondiffracting beams using multimode optical fibers

被引：55
作者：
Zhu, X. [1 ]
Schuelzgen, A. [1 ]
Li, L. [1 ]
Peyghambarian, N. [1 ]
机构：
[1] Univ Arizona, Coll Opt Sci, Tucson, AZ 85721 USA
来源：
APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 20期
基金：
美国国家科学基金会;
关键词：
laser modes; light interference; optical fibres; BESSEL BEAMS; INTERFERENCE; DIFFRACTION; FIELDS; LIGHT; LENS;
D O I：
10.1063/1.3138780
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A method of generating nondiffracting beams using multimode optical fibers is reported. When a large-core multimode fiber is spliced onto a piece of single-mode fiber, only linearly polarized (LP(0,n)) modes are excited inside the multimode fiber segment because of mode orthogonality and on-axis excitation. Since the excited LP(0,n) modes are actually Bessel fields with different transverse wave vectors truncated by the core of the multimode fiber, the beam exiting the multimode fiber facet can form a variety of readily controllable and nearly nondiffracting optical patterns resulting from interference of apertured Bessel fields.
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页数：3
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