High harmonic frequency combs for high resolution spectroscopy

Ozawa, Akira; Rauschenberger, Jens; Gohle, Christoph; Herrmann, Maximilian; Walker, David R.; Pervak, Volodymyr; Fernandez, Alma; Graf, Roswitha; Apolonskiy, Alexander; Holzwarth, Ronald; Krausz, Ferenc; Hänsch, T. W.; Udem, Thomas

doi:10.1103/PhysRevLett.100.253901

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High harmonic frequency combs for high resolution spectroscopy

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Ozawa, Akira
Laser Spectroscopy, Max Planck Institute of Quantum Optics, Max Planck Society;

/persons/resource/persons60779

Rauschenberger, Jens
Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society;

/persons/resource/persons60513

Gohle, Christoph
Laser Spectroscopy, Max Planck Institute of Quantum Optics, Max Planck Society;

/persons/resource/persons60560

Herrmann, Maximilian
Laser Spectroscopy, Max Planck Institute of Quantum Optics, Max Planck Society;

/persons/resource/persons60914

Walker, David R.
Laser Spectroscopy, Max Planck Institute of Quantum Optics, Max Planck Society;

/persons/resource/persons60755

Pervak, Volodymyr
Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society;

/persons/resource/persons60483

Fernandez, Alma
Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society;

/persons/resource/persons60518

Graf, Roswitha
Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society;

/persons/resource/persons60398

Apolonskiy, Alexander
Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society;

/persons/resource/persons60574

Holzwarth, Ronald
Laser Spectroscopy, Max Planck Institute of Quantum Optics, Max Planck Society;

/persons/resource/persons60638

Krausz, Ferenc
Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society;

/persons/resource/persons60535

Hänsch, T. W.
Laser Spectroscopy, Max Planck Institute of Quantum Optics, Max Planck Society;

/persons/resource/persons60893

Udem, Thomas
Laser Spectroscopy, Max Planck Institute of Quantum Optics, Max Planck Society;

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Citation

Ozawa, A., Rauschenberger, J., Gohle, C., Herrmann, M., Walker, D. R., Pervak, V., et al. (2008). High harmonic frequency combs for high resolution spectroscopy. Physical Review Letters, 100(25): 253901. doi:10.1103/PhysRevLett.100.253901.

Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-B55C-6

Abstract

We generated a series of harmonics in a xenon gas jet inside a cavity seeded by pulses from a Ti:sapphire mode-locked laser with a repetition rate of 10.8 MHz. Harmonics up to 19th order at 43 nm were observed with plateau harmonics at the mu W power level. An elaborate dispersion compensation scheme and the use of a moderate repetition rate allowed for this significant improvement in output power of the plateau harmonics of 4 orders of magnitude over previous results. With this power level and repetition rate, high-resolution spectroscopy in the extreme ultraviolet region becomes conceivable. An interesting target would be the 1S-2S transition in hydrogenlike He+ at 60 nm.