Interferometric time delay correction for Fourier transform spectroscopy in the extreme ultraviolet

Yijian Meng; Chunmei Zhang; Claude Marceau; A. Yu Naumov; P. B. Corkum; D. M. Villeneuve

doi:10.1080/09500340.2016.1165872

Interferometric time delay correction for Fourier transform spectroscopy in the extreme ultraviolet

Yijian Meng, Chunmei Zhang, Claude Marceau, A. Yu Naumov, P. B. Corkum, D. M. Villeneuve^*

^*Corresponding author for this work

University of Ottawa

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

We demonstrate a Fourier transform spectrometer in the extreme ultraviolet (XUV) spectrum using a high-harmonic source, with wavelengths as short as 32 nm. The femtosecond infrared laser source is divided into two separate foci in the same gas jet to create two synchronized XUV sources. An interferometric method to determine the relative delay between the two sources is shown to improve the accuracy of the delay time, with corrections of up to 200 asec required. By correcting the time base before the Fourier transform, the frequency resolution is improved by up to an order of magnitude.

Original language	English
Pages (from-to)	1661-1667
Number of pages	7
Journal	Journal of Modern Optics
Volume	63
Issue number	17
DOIs	https://doi.org/10.1080/09500340.2016.1165872
Publication status	Published - 24 Sept 2016
Externally published	Yes

Keywords

Fourier transform spectroscopy
XUV
high-order harmonics
time delay correction

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10.1080/09500340.2016.1165872

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title = "Interferometric time delay correction for Fourier transform spectroscopy in the extreme ultraviolet",

abstract = "We demonstrate a Fourier transform spectrometer in the extreme ultraviolet (XUV) spectrum using a high-harmonic source, with wavelengths as short as 32 nm. The femtosecond infrared laser source is divided into two separate foci in the same gas jet to create two synchronized XUV sources. An interferometric method to determine the relative delay between the two sources is shown to improve the accuracy of the delay time, with corrections of up to 200 asec required. By correcting the time base before the Fourier transform, the frequency resolution is improved by up to an order of magnitude.",

keywords = "Fourier transform spectroscopy, XUV, high-order harmonics, time delay correction",

author = "Yijian Meng and Chunmei Zhang and Claude Marceau and Naumov, {A. Yu} and Corkum, {P. B.} and Villeneuve, {D. M.}",

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AU - Meng, Yijian

AU - Zhang, Chunmei

AU - Marceau, Claude

AU - Naumov, A. Yu

AU - Corkum, P. B.

AU - Villeneuve, D. M.

PY - 2016/9/24

Y1 - 2016/9/24

N2 - We demonstrate a Fourier transform spectrometer in the extreme ultraviolet (XUV) spectrum using a high-harmonic source, with wavelengths as short as 32 nm. The femtosecond infrared laser source is divided into two separate foci in the same gas jet to create two synchronized XUV sources. An interferometric method to determine the relative delay between the two sources is shown to improve the accuracy of the delay time, with corrections of up to 200 asec required. By correcting the time base before the Fourier transform, the frequency resolution is improved by up to an order of magnitude.

AB - We demonstrate a Fourier transform spectrometer in the extreme ultraviolet (XUV) spectrum using a high-harmonic source, with wavelengths as short as 32 nm. The femtosecond infrared laser source is divided into two separate foci in the same gas jet to create two synchronized XUV sources. An interferometric method to determine the relative delay between the two sources is shown to improve the accuracy of the delay time, with corrections of up to 200 asec required. By correcting the time base before the Fourier transform, the frequency resolution is improved by up to an order of magnitude.

KW - Fourier transform spectroscopy

KW - XUV

KW - high-order harmonics

KW - time delay correction

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JF - Journal of Modern Optics

IS - 17

ER -

Interferometric time delay correction for Fourier transform spectroscopy in the extreme ultraviolet

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Keywords

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