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2 results on '"Fangjia Li"'

1. Femtosecond pulse characterization by using both FROG and self-referenced spectral interferometry

Author

Zhao Guankai, Zhang Suxia, Liu Qifu, Li Ruxin, Fangjia Li, and Jun Liu

Subjects
Femtosecond pulse shaping, Materials science, Femtosecond pulse, business.industry, Astrophysics::Instrumentation and Methods for Astrophysics, Physics::Optics, Spectral phase interferometry for direct electric-field reconstruction, Nonlinear optical crystal, Characterization (materials science), Interferometry, Optics, Femtosecond, Dispersion (optics), Physics::Atomic and Molecular Clusters, Optoelectronics, business
Abstract

We demonstrated a novel and simple device for femtosecond pulses characterization which combined both FROG and the self-referenced spectral interferometry methods. Then, it can be used to characterize femtosecond pulses at different conditions.

Published
2013

2. Characterization of infrared femtosecond pulses by using transient-grating self-referenced spectral interferometry

Author

Cuncheng Li, Takayoshi Kobayashi, Rihong Li, Jun Liu, Yongliang Jiang, Yongbin Leng, Fangjia Li, and Z.Z. Xu

Subjects
White light interferometry, Interferometry, Materials science, Optics, business.industry, Infrared, Femtosecond, Dispersion (optics), Optoelectronics, Grating, business, Angle-resolved low-coherence interferometry, Spectral phase interferometry for direct electric-field reconstruction
Abstract

We propose a new technique for femtosecond pulse characterization — transient-grating self-referenced spectral interferometry. Using this technique, we built an extremely simple, alignment-free device and successfully sub-two-cycle 10-fs pulses at 1.75 μm.

Published
2013

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