12 November 2009 Multi-color, multi-beam interferometry of laser-generated XUV harmonic radiation
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Proceedings Volume 7501, International Conference on Ultrafast and Nonlinear Optics 2009; 75010C (2009); doi: 10.1117/12.849019
Event: Ultrafast Nonlinear Optics 2009, 2009, Bourgas, Bulgaria
Abstract
We present a novel interferometric setup working in the XUV spectral range. The interferometer consists of a multi-pinhole mask and a transmission grating. In the case the light source consists of discrete spectral lines as is the case for laser-generated high harmonics the interferometer is capable of recording interferograms for multiple colors simultaneously. The device presented in this publication is an improvement of our recently published setup in a way which allows, in principle, for single-shot measurements of the temporal coherence length of a set of high harmonics. We present an experiment in which the influence of a spectral chirp of the driving laser on the coherence length of the generated harmonic radiation is studied.
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Dirk Hemmers, Georg Pretzler, "Multi-color, multi-beam interferometry of laser-generated XUV harmonic radiation", Proc. SPIE 7501, International Conference on Ultrafast and Nonlinear Optics 2009, 75010C (12 November 2009); doi: 10.1117/12.849019; https://doi.org/10.1117/12.849019
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KEYWORDS
Extreme ultraviolet

Interferometers

Interferometry

Pulsed laser operation

Diffraction

Visibility

Temporal coherence

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