20 July 2017 Spectral stability of supercontinuum generation in condensed mediums
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Abstract
The features of the supercontinuum generation (SCG) using intense femtosecond pulses are systematically investigated in condensed mediums [sapphire, BK7 glass, ultraviolet (UV)-fused silica, and fluoride crystals]. By optimizing the experimental conditions and choosing suitable mediums, the bandwidth of the SCG can be extended to the UV regime with good spectral stability. This study demonstrates that materials with high bandgap present high efficiency for SCG, particularly in the short wavelength region. The achievable short wavelength and low power-density threshold of the SCG exhibit complicated correlations with the bandgap of condensed mediums.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
Jier Wang, Yizhu Zhang, Huifeng Shen, Yuhai Jiang, Zhongyang Wang, "Spectral stability of supercontinuum generation in condensed mediums," Optical Engineering 56(7), 076107 (20 July 2017). https://doi.org/10.1117/1.OE.56.7.076107 . Submission: Received: 5 April 2017; Accepted: 23 June 2017
Received: 5 April 2017; Accepted: 23 June 2017; Published: 20 July 2017
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