We presented a repetition-rate tunable Yb-doped fiber laser system,which used a chirped fiber Bragg grating as a fiber stretcher designed to match the second-and third-order dispersion of the transmission grating comp...We presented a repetition-rate tunable Yb-doped fiber laser system,which used a chirped fiber Bragg grating as a fiber stretcher designed to match the second-and third-order dispersion of the transmission grating compressor.The system delivered 1-μJ,143-fs pulses at a 2 MHz repetition rate and 10-μJ,157-fs pulses at a 200 kHz repetition rate,respectively.The pulse repetition rate can be tuned from 200 kHz to 2 MHz while the pulse duration maintains<180 fs.This compact fiber laser source was built for applications in ophthalmology,such as corneal flap cutting and tissue vaporization.Furthermore,it can be applied in micro-machining applications,such as laser marking,scribing,and drilling.展开更多
基金supported by the National Key Research and Development Program of China(Nos.2024YFB3613502 and 2023YFB3307702)the Shanghai Pujiang Program(No.23PJ1414700)the National Natural Science Foundation of China(No.62435005)。
文摘We presented a repetition-rate tunable Yb-doped fiber laser system,which used a chirped fiber Bragg grating as a fiber stretcher designed to match the second-and third-order dispersion of the transmission grating compressor.The system delivered 1-μJ,143-fs pulses at a 2 MHz repetition rate and 10-μJ,157-fs pulses at a 200 kHz repetition rate,respectively.The pulse repetition rate can be tuned from 200 kHz to 2 MHz while the pulse duration maintains<180 fs.This compact fiber laser source was built for applications in ophthalmology,such as corneal flap cutting and tissue vaporization.Furthermore,it can be applied in micro-machining applications,such as laser marking,scribing,and drilling.
