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All-Fiber Module for Femtosecond Pulse Compression And Supercontinuum Generation
All-Fiber Module for Femtosecond Pulse Compression And Supercontinuum Generation
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机译:飞秒脉冲压缩和超连续谱产生的全光纤模块
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摘要
An all-fiber optical pulse compression arrangement comprises a concatenated arrangement of a section of input fiber (e.g., a single mode fiber), a graded-index (GRIN) fiber lens and a section of pulse-compressing fiber (e.g., LMA fiber). The GRIN fiber lens is used to provide mode matching between the input fiber (supporting the propagation of chirped optical pulses) and the pulse-compressing fiber, with efficient pulse compression occurring along the length of the LMA fiber. The dispersion and length of the LMA fiber section are selected to provide the desired degree of pulse compression; for example, capable of reconstituting a femtosecond pulse as is used in supercontinuum generation systems.
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