Super-Continuum femtosecond Laser generation (original) (raw)
A novel methodology to produce a high-power femtosecond using supercontinuum generation in hollowfiber has been developed. In this work, femtosecond high energy laser pulses have been observed. These pulses were generated due to supercontinuum caused by self –phase modification (SPM) in neon gas filled in a one-meter hollowfiber followed by two chirped-mirrors for dispersion compensation. The created pulses reached high energy of submJ at 1 KHz repetition rate. The characterization of femtosecond pulses in the regime of few-cycle pulses is considered using spectral phase interferometry for direct electric-field reconstruction (SPIDER). The SPIDER was used to observe precise measurements of pulse duration. The spectral bandwidth found to reach ultra-wide range from 600 – 950 nm. It has been found that the output pulse width is affected by the pulse duration of the injected femtosecond pulses into the optical fiber under different gas pressures. The observed results revealed that the ...
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