FS-CFEL-2

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2017-11-13
18:06
OpenAccess [PUBDB-2017-11919] Journal Article
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Micro-Focusing of Broadband High-Order Harmonic Radiation by a Double Toroidal Mirror
ddc:600
We present an optical system based on two toroidal mirrors in a Wolter configuration to focus broadband extreme ultraviolet (XUV) radiation. Optimization of the focusing optics alignment is carried out with the aid of an XUV wavefront sensor [...]
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2017-11-08
10:24
OpenAccess [PUBDB-2017-11743] Conference Presentation
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Optimized octave-spanning Ti:Sapphire laser oscillator characterized by novel two-dimensional shearing interferometry
2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference , CLEO/Europe-EQEC, Meeting locationMunich, Germany, 25 Jun 2017 - 29 Jun 20172017-06-252017-06-29  GO
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2017-10-27
12:18
[PUBDB-2017-11586] Contribution to a conference proceedings/Contribution to a book
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A Dielectric Loaded Higher Order Mode THz Electron Injector
2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) : [Proceedings] - IEEE, 2017. - ISBN 978-1-5090-6050-4 - doi:10.1109/IRMMW-THz.2017.8067058
42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), IRMMW-THz, Meeting locationCancun, Mexico, 27 Aug 2017 - 1 Sep 20172017-08-272017-09-01
IEEE, 1-2 (2017) [10.1109/IRMMW-THz.2017.8067058]  GO
A dielectric loaded cavity operating in TM012 mode is designed to be used as electron injector into a THz accelerator. The designed cavity works at 360 GHz and uses about 3 mJ ofThz energy. [...]
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2017-10-18
13:21
[PUBDB-2017-11443] Dissertation / PhD Thesis
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All-Optical Electron Acceleration with Ultrafast THz Pulses
210 pp. (2017) = Massachusetts Institute of Technology, Diss., 2017
This thesis discusses a series of advances toward - and resulting in -the demonstration of the first ultrafast THz-driven electron gun, a technology with the potential to deliver unprecedented electron beam quality to scientists studying matter at the ultrafast and ultrasmall scale via electron diffraction or x-ray imaging. In Part 1, we discuss various advances in generation of high energy pulsed THz radiation, a spectral regime uniquely effective at accelerating electrons but historically lacking in effcient sources. [...]
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2017-10-09
14:16
OpenAccess [PUBDB-2017-11222] Book/Report/Dissertation / PhD Thesis
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High energy multi-cycle terahertz generation
[DESY-THESIS-2017-039]
Hamburg : Verlag Deutsches Elektronen-Synchrotron, DESY-THESIS, 198 pp. (2017) [10.3204/PUBDB-2017-11222] = Universität Hamburg, Diss., 2017  GO
Development of compact electron accelerators and free-electron lasers requires novel acceleration schemes at shorter driving wavelengths. The Axsis project seeks to developterahertz based electron acceleration as well as the high energy terahertz sources required. [...]
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2017-10-05
14:49
[PUBDB-2017-11179] Journal Article
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Mapping Photoemission and Hot-Electron Emission from Plasmonic Nanoantennas
Nano letters 17(10), 6069–6076 (2017) [10.1021/acs.nanolett.7b02495]  GO
ddc:540
Understanding plasmon-mediated electron emission and energy transfer on the nanometer length scale is critical to controlling light−matter interactions at nanoscale dimensions. In a high-resolution lithographic material, electron emission and energy transfer lead to chemical transformations. [...]
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2017-10-04
15:27
[PUBDB-2017-11134] Journal Article

Off-surface optic axis birefringent filters for smooth tuning of broadband lasers
Applied optics 56(28), 7815 - 7825 (2017) [10.1364/AO.56.007815]  GO
ddc:530
Transition metal-doped gain media, such as Ce:LiCAF, Ti:sapphire, Cr:ZnSe, and Fe:ZnSe, possess wide gain bandwidths that could provide ultra broadly tunable laser output with the usage of adequate intracavity tuning elements. Birefringent filters (BRFs) are a low-cost and easy to use solution for tuning. [...]
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2017-10-02
14:28
OpenAccess [PUBDB-2017-11098] Journal Article
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Ellipticity dependence of high-harmonic generation in solids originating from coupled intraband and interband dynamics
ddc:500
The strong ellipticity dependence of high-harmonic generation (HHG) in gases enables numerous experimental techniques that are nowadays routinely used, for instance, to create isolated attosecond pulses. Extending such techniques to solids requires a fundamental understanding of the microscopic mechanism of HHG. [...]
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2017-10-02
14:19
OpenAccess [PUBDB-2017-11097] Journal Article
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Laser-Induced Linear-Field Particle Acceleration in Free Space
ddc:000
Linear-field particle acceleration in free space (which is distinct from geometries like the linac that requires components in the vicinity of the particle) has been studied for over 20 years, and its ability to eventually produce high-quality, high energy multi-particle bunches has remained a subject of great interest. Arguments can certainly be made that linear-field particle acceleration in free space is very doubtful given that first-order electron-photon interactions are forbidden in free space. [...]
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2017-09-20
14:14
[PUBDB-2017-10920] Contribution to a conference proceedings/Contribution to a book
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Generation of Sub 7-fs Pulses at 800 nm from a Degenerate Optical Parametric Amplifier
Conference on Lasers and Electro-Optics 2010 : [Proceedings] - OSA Washington, D.C., 2010. - ISBN 978-1-55752-889-6 - doi:10.1364/CLEO.2010.CWA1
Conference on Lasers and Electro-Optics, CLEO/QELS 2010, Meeting locationSan Jose, USA, 16 May 2010 - 21 May 20102010-05-162010-05-21
Washington, DC : OSA, OSA technical digest (CD), 2 pp. (2010) [10.1364/CLEO.2010.CThZ1]  GO
We generate 800-nm, sub-7-fs pulses from a degenerate Optical Parametric Amplifier pumped by the second harmonic of a Ti:sapphire system and seeded by supercontinuum generated by a near IR OPA pumped by the same source..
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