Abstract
We examined nonlinear fiber fuse effect (FFE) in hollow optical fibers (HOFs) that consist of a central air hole surrounded by a high-index ring core and silica cladding. In contrast to conventional solid-core fibers, the HOF with a hole diameter of showed high threshold power of , and resulted in unique tadpole-like voids in periodic arrays after the FFE. As the hole diameter increased to , plasma propagation was suppressed within the distance of inside of the HOF. Detailed comparisons were made in terms of threshold power, void formation, and penetration length.
© 2011 Optical Society of America
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