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Grating Configurations for the Spectral Selection of Coherent Ultrashort Pulses in the Extreme-Ultraviolet

National Research Council of Italy–Institute of Photonics and Nanotechnologies (CNR-IFN), via Trasea 7, I-35131 Padova, Italy
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Photonics 2014, 1(4), 442-454; https://doi.org/10.3390/photonics1040442
Received: 4 November 2014 / Revised: 21 November 2014 / Accepted: 21 November 2014 / Published: 26 November 2014
(This article belongs to the Special Issue Extreme UV Lasers: Technologies and Applications)
The design and realization of grating instruments to handle and condition coherent ultrafast pulses in the extreme ultraviolet spectral region are discussed. The main application of such instruments is the spectral selection of high-order laser harmonics and free-electron-laser pulses in the femtosecond time scale. Broad-band monochromators require the use of diffraction gratings at grazing incidence. Here, we discuss two configurations useful for the realization of grating monochromator with ultrafast response: the single-grating design, applied to high-order laser harmonics, and the time-delay-compensated configuration with two gratings, applied to free-electron lasers. View Full-Text
Keywords: diffraction gratings; ultrafast optics; extreme-ultraviolet spectroscopy diffraction gratings; ultrafast optics; extreme-ultraviolet spectroscopy
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Frassetto, F.; Miotti, P.; Poletto, L. Grating Configurations for the Spectral Selection of Coherent Ultrashort Pulses in the Extreme-Ultraviolet. Photonics 2014, 1, 442-454.

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