Hearing carrier-envelope offset frequency and phase in air with a microphone
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866912299810291712 |
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| author | Han, Meng Chen, Ming-Chang Tsai, Ming-Shian Liang, Hao |
| author_facet | Han, Meng Chen, Ming-Chang Tsai, Ming-Shian Liang, Hao |
| contents | Attosecond science and frequency metrology rely on the precise measurement and control of the laser pulse waveform, a feat traditionally achieved using optoelectronic techniques. In this study, we conducted a laser-induced acoustic experiment in air ionized by carrier-envelope phase (CEP)-stabilized sub-4 femtosecond pulses. Our results reveal that the acoustic signal exhibits CEP dependence in few-cycle pulses, primarily through amplitude modulation from laser-driven ionization. This novel optoacoustic phenomenon enables not only the measurement of the carrier-envelope offset frequency but also the direct characterization of the waveform of optical pulses through a microphone. Our study highlights the potential of laser-induced acoustic waves for advancing frequency metrology and ultrafast science. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_08304 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Hearing carrier-envelope offset frequency and phase in air with a microphone Han, Meng Chen, Ming-Chang Tsai, Ming-Shian Liang, Hao Optics Atomic Physics Attosecond science and frequency metrology rely on the precise measurement and control of the laser pulse waveform, a feat traditionally achieved using optoelectronic techniques. In this study, we conducted a laser-induced acoustic experiment in air ionized by carrier-envelope phase (CEP)-stabilized sub-4 femtosecond pulses. Our results reveal that the acoustic signal exhibits CEP dependence in few-cycle pulses, primarily through amplitude modulation from laser-driven ionization. This novel optoacoustic phenomenon enables not only the measurement of the carrier-envelope offset frequency but also the direct characterization of the waveform of optical pulses through a microphone. Our study highlights the potential of laser-induced acoustic waves for advancing frequency metrology and ultrafast science. |
| title | Hearing carrier-envelope offset frequency and phase in air with a microphone |
| topic | Optics Atomic Physics |
| url | https://arxiv.org/abs/2411.08304 |