Enhanced High-Harmonic Generation Using 25 fs Laser Pulses
Abstract
We present experimental and theoretical results on high-harmonic generation in noble gases using an 805 nm, 25 fs, titanium-doped sapphire laser. The harmonic energies observed are unexpectedly high when compared with experimental and theoretical results to date for longer excitation pulses. We observe that the efficiency of harmonic production is highest for shorter pulses. Furthermore, the wavelength of the harmonics can be tuned by adjusting the sign of the chirp of the excitation pulse, demonstrating a tunable, ultrashort-pulse, $<25\mathrm{fs}$ soft-x-ray source.
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The key enabler for both practical application and conceptual understanding of HHG has been the ability to make intense few-cycle optical pulses, enabled first by Ti:sapphire laser technology [127].
“The key enabler for both practical application and conceptual understanding has been the ability to make intense few-cycle optical pulses, enabled first by Ti:sapphire laser technology [127].”
From Roadmap of ultrafast x-ray atomic and molecular physics (2018) · cites this paper as [127]
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- Authors
- Zhou, J., Peatross, J., Murnane, M. M., Kapteyn, H. C., & Christov, I. P.
- Affiliations
- University of Michigan (US)
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1996-01-29
- Volume
- 76
- Issue
- 5
- Pages
- 752-755
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2032543077
- Cited by
- 353
- References
- 15
- Citations by year
- 2025: 3 · 2024: 8 · 2023: 7 · 2022: 11 · 2021: 11 · 2020: 4 · 2019: 7 · 2018: 6 · 2017: 6 · 2016: 13 · 2015: 11 · 2014: 6 · 2013: 11 · 2012: 13
- FWCI
- 23.52
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Physical Review Letters (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
- Physical Sciences › Physics and Astronomy › Radiation › Advanced X-ray Imaging Techniques
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Atomic and Molecular Physics
- Keywords
- high harmonic generation, noble gases, ultrashort pulses, harmonic energy, pulse chirp, soft X-ray sources, titanium-doped sapphire laser
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