Hearing carrier-envelope offset frequency and phase in air with a microphone
- Kansas State University, Manhattan, KS (United States)
- National Tsing Hua University, Hsinchu (Taiwan)
- Max Planck Institute for Physics of Complex Systems, Dresden (Germany)
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 fs pulses. Our results reveal that the acoustic signal exhibits CEP dependence in few-cycle pulses, primarily through amplitude modulation from laser-driven ionization. This optoacoustic phenomenon is, to the best of our knowledge, a novel phenomenon that 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 ultrafast science.
- Research Organization:
- Kansas State University, Manhattan, KS (United States)
- Sponsoring Organization:
- Taiwan National Science and Technology Council; USDOE
- Grant/Contract Number:
- FG02-86ER13491
- OSTI ID:
- 2543126
- Alternate ID(s):
- OSTI ID: 3003076
- Journal Information:
- Optica, Journal Name: Optica Journal Issue: 4 Vol. 12; ISSN 2334-2536
- Publisher:
- Optica Publishing GroupCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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