智能技术赋能飞秒激光：表征与控制（特邀）

Luo Chao, 罗超; Yi Lilin, 义理林; Pu Guoqing, 蒲国庆

doi:10.3788/lop232568

Laser Optoelectron. Prog.

2024

DOI: 10.3788/lop232568

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智能技术赋能飞秒激光：表征与控制（特邀）

罗超 Luo Chao,

义理林 Yi Lilin,

蒲国庆 Pu Guoqing

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2024

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Optical Chirplet Transform for Observing Pulse Ultrafast Structures

Sun,

Shu,

et al. 2024

ACS Photonics

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The accurate measurement of ultrafast pulses is extremely important in both academic and industrial fields. Revealing fast- and slow-varying pulse information simultaneously still remains a considerable challenge in ultrafast science. We propose a novel ultrafast measurement method, termed the “optical chirplet transform for observing pulse ultrafast structures (OCTOPUS)”, to measure the spectrotemporal transient information on pulses. This approach slices a measured pulse into a series of orthogonal chirplet bases and transforms it into the corresponding Fourier-transform-limited pulse (FTLP) through a phase editing process, in which a programmable waveshaper iteratively achieves the mirror image of the measured pulse’s phase spectrum relative to the theoretical FTLP. As a result, the ultrafast pulse field is accurately reconstructed assisted by phase spectrum retrieval. This method can both reconstruct transient fast-varying pulse fields with higher resolution and accuracy and measure other pulse information such as phase distribution and slow-varying envelope, advancing progress in ultrafast measurement technology.

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Optical Chirplet Transform for Observing Pulse Ultrafast Structures

Sun,

Shu,

et al. 2024

ACS Photonics

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show abstract

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智能技术赋能飞秒激光：表征与控制（特邀）

Cited by 1 publication

References 100 publications

Optical Chirplet Transform for Observing Pulse Ultrafast Structures

Optical Chirplet Transform for Observing Pulse Ultrafast Structures

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