Full characterization of a phase-locked DUV double pulse generated in an all-reflective shaping setup working under grazing incidence in a broad spectral range

Author:

Hartwell S.,Azima A.,Haunhorst C.,Kazemi M.,Namboodiri M.,Przystawik A.,Schwickert D.,Skruszewicz S.,Kip D.,Drescher M.,Laarmann T.

Abstract

AbstractControlling the temporal and spectral properties of ultrashort laser pulses in the visible and near-infrared spectral range by means of a femtosecond pulse-shaping device is a powerful tool with many applications in ultrafast spectroscopy. A major and successful concept is known as the 4f design, which has a symmetric zero-dispersion-compressor geometry. Most 4f pulse shapers rely on using transmissive optics in their beam path limiting the operational wavelength ranges. In the present contribution, we use an all-reflective shaping setup to generate a phase-locked 266 nm double pulse to benchmark its performance in the limit of short wavelengths. The setup comprises the complete spectral amplitude and phase diagnostics for quantitative analysis of the pulse properties before and after the shaper using the technique of frequency-resolved optical gating. The measured time–frequency spectra are in good agreement with optical simulations. The geometry and hardware of the device including the optical components are designed, such that all harmonics of the deep UV pulses travel the same path, giving the instrument the ability to work with soft X-ray pulses, under vacuum conditions, down to the few-nanometer wavelength scale.

Funder

Deutsches Elektronen-Synchrotron

Deutsche Forschungsgemeinschaft

Deutsches Elektronen-Synchrotron (DESY)

Publisher

Springer Science and Business Media LLC

Subject

General Physics and Astronomy,Physics and Astronomy (miscellaneous),General Engineering

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