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- Title
Non-Collinear Attosecond Streaking without the Time Delay Scan.
- Authors
Xu, Peng; Wang, Xianglin; Cao, Huabao; Yuan, Hao; Pi, Liang-Wen; Wang, Yishan; Fu, Yuxi; Bai, Yonglin; Zhao, Wei
- Abstract
Attosecond streaking provides an extremely high temporal resolution for characterizing light pulses and photoionization processes with attosecond (10−18 s) accuracy, which employs a laser as a streaking field to deflect electrons generated by photoionization. The current attosecond streaking requires a time delay scan between the attosecond pulses and streaking field with attosecond accuracy and a femtosecond range, which is difficult to realize real-time measurement. In this study, we theoretically propose a non-collinear attosecond streaking scheme without the time delay scan, enabling real-time and even the potential to perform single-shot attosecond pulse measurement. In the proposal, time-delay information is projected into longitudinal space, both horizontally and vertically, enabling attosecond pulse characterization with temporal-spatial coupling. From our calculation, down to 70 as pulses with pulse front and wavefront tilt are characterized with high accuracy. Our study not only provides a method toward real-time attosecond pulse measurement, but also an approach for attosecond pump-probe experiments without time delay scan.
- Subjects
ATTOSECOND pulses; PHOTOIONIZATION
- Publication
Photonics, 2023, Vol 10, Issue 3, p331
- ISSN
2304-6732
- Publication type
Article
- DOI
10.3390/photonics10030331