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  Attosecond precision in delay measurements using transient absorption spectroscopy

Hartmann, M., Stooß, V., Birk, P., Borisova, G. D., Ott, C., & Pfeifer, T. (2019). Attosecond precision in delay measurements using transient absorption spectroscopy. Optics Letters, 44(19), 4749-4752. doi:10.1364/OL.44.004749.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0004-D25E-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-E6F7-2
Genre: Journal Article

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https://doi.org/10.1364/OL.44.004749 (Publisher version)
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 Creators:
Hartmann, Maximilian1, Author              
Stooß, Veit1, Author              
Birk, Paul1, Author              
Borisova, Gergana Dimitrova1, Author              
Ott, Christian1, Author              
Pfeifer, Thomas1, Author              
Affiliations:
1Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society, ou_2025284              

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 Abstract: Accessing attosecond (as) dynamics directly in the time domain has been achieved by several pioneering experiments over the course of the last decade. Extreme ultraviolet (XUV) group delays and, later, ionization time delays on the order of a few attoseconds have been extracted by photoemission or high-harmonic spectroscopy. Here, we present and benchmark an approach based on attosecond transient absorption spectroscopy to quantify deliberately induced delays by employing resonant photoexcitation of three XUV transitions with a precision of less than 5 as. While here we quantify the sensitivity to these delays via a chirp on the attosecond pulse by using thin-foil metallic filters, the method enables future studies of attosecond delays probed through resonant excitations.

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 Dates: 2019-09-23
 Publication Status: Published online
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 Identifiers: DOI: 10.1364/OL.44.004749
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Title: Optics Letters
Source Genre: Journal
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Publ. Info: Washington : Optical Society of America
Pages: - Volume / Issue: 44 (19) Sequence Number: - Start / End Page: 4749 - 4752 Identifier: ISSN: 0146-9592
CoNE: https://pure.mpg.de/cone/journals/resource/954925474435