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  In-line ultra-thin attosecond delay line with direct absolute-zero delay reference and high stability

Dahiya, S., Sidhu, M. S., Tyagi, A., Mandal, A., Nandy, B., Rost, J. M., et al. (2020). In-line ultra-thin attosecond delay line with direct absolute-zero delay reference and high stability. Optics Letters, 45(18), 5266-5269. doi:10.1364/OL.403842.

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 Creators:
Dahiya, Sunil1, Author
Sidhu, Mehra S.1, Author
Tyagi, Akansha1, Author
Mandal, Ankur1, Author
Nandy, Biplob1, Author
Rost, Jan M.2, Author           
Pfeifer, Thomas1, Author
Singh, Kamal P.1, Author
Affiliations:
1external, ou_persistent22              
2Max Planck Institute for the Physics of Complex Systems, Max Planck Society, ou_2117288              

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 MPIPKS: Time dependent processes
 Abstract: We introduce an ultra-thin attosecond optical delay line based on controlled wavefront division of a femtosecond infrared pulse after transmission through a pair of micrometer-thin glass plates with negligible dispersion effects. The time delay between the two pulses is controlled by rotating one of the glass plates from absolute zero to several optical cycles, with 2.5 as to tens of attosecond resolution with 2 as stability, as determined by interferometric self-calibration. The performance of the delay line is validated by observing attosecond-resolved oscillations in the yield of high harmonics induced by time delayed infrared pulses, in agreement with a numerical simulation for a simple model atom. This approach can be extended in the future for performing XUV-IR attosecond pump-probe experiments. (C) 2020 Optical Society of America

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 Dates: 2020-10-152020-10-15
 Publication Status: Issued
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 Rev. Type: -
 Identifiers: ISI: 000577110800080
DOI: 10.1364/OL.403842
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Title: Optics Letters
Source Genre: Journal
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Publ. Info: Washington : Optical Society of America
Pages: - Volume / Issue: 45 (18) Sequence Number: - Start / End Page: 5266 - 5269 Identifier: ISSN: 0146-9592
CoNE: https://pure.mpg.de/cone/journals/resource/954925474435