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| 1 | Exploring new avenues in high repetition rate table-top coherent extreme ultraviolet sources显示文摘The process of high harmonic generation(HHG)enables the development of table-top sources of coherent extreme ultraviolet(XUV)light.Although these are now matured sources,they still mostly rely on bulk laser technology that limits the attainable repetition rate to the low kilohertz regime.Moreover,many of the emerging applications of such light sources(e.g.,photoelectron spectroscopy and microscopy,coherent diffractive imaging,or frequency metrology in the XUV spectral region)require an increase in the repetition rate.Ideally,these sources are operated with a multi-MHz repetition rate and deliver a high photon flux simultaneously.So far,this regime has been solely addressed using passive enhancement cavities together with low energy and high repetition rate lasers.Here,a novel route with significantly reduced complexity(omitting the requirement of an external actively stabilized resonator)is demonstrated that achieves the previously mentioned demanding parameters.A krypton-filled Kagome photonic crystal fiber is used for efficient nonlinear compression of 9 μJ,250 fs pulses leading to,7 μJ,31 fs pulses at 10.7 MHz repetition rate.The compressed pulses are used for HHG in a gas jet.Particular attention is devoted to achieving phase-matched(transiently)generation yielding.10^(13) photons s^(-1)(.50 μW)at 27.7 eV.This new spatially coherent XUV source improved the photon flux by four orders of magnitude for direct multi-MHZ experiments,thus demonstrating the considerable potential of this source. | Steffen Hadrich Manuel Krebs Armin Hoffmann Arno Klenke Jan Rothhardt Jens Limpert Andreas Tunnermann | 2015 | Light(Science & Applications)2015，4，1： | 4 |
| 2 | Micro-Structured Fiber Interferometer as Sensitive Temperature Sensor显示文摘 | F. C. FAVERO M. BECKER, R. SPITTEL M. ROTHHARDT J. KOBELKE H. BARTELT | 2013 | Photonic Sensors2013，3，3： | 2 |
| 3 | Extended singlemode photonic crystal fiber lasers 显示文摘 | LIMPERT J SCHMIDT O ROTHHARDT J | 2006 | Optics Express2006，14，7： | 1 |
| 4 | Extended single-mode photonic crystal fiber lasers 显示文摘 | Limpert J Schmidt O Rothhardt J | 2006 | Optics Ex- press2006，14，7： | 1 |
| 5 | Characterization of chirped phase masks for UV applications by writing and investigation of fiber Bragg gratings显示文摘 | | 1997 | Proceedings of SPIE1997，3099，23： | 1 |
| 6 | New approach to fabrication of a Faraday isolator for high power laser applications显示文摘 | Rothhardt C Rekas M Kalkowski G | 2012 | Proc Spie2012，8237，82： | 1 |
| 7 | Single-polarization ultra-large-mode-area Yb-doped photonic crystal fiber 显示文摘 | Schmidt O Rothhardt J Eidam T | 2008 | Optics Express(S1094-4087)2008，16，6： | 1 |
| 8 | Extended single-mode photonic crystal fiber lasers显示文摘 | LIMPERT J SCHMIDT O ROTHHARDT J | 2006 | Optics Express2006，14，7： | 1 |
| 9 | Extended single-mode photonic crystal fiber lasers显示文摘 | Limpert J Schmidt O Rothhardt J | 2006 | Opt Express2006，14，7： | 1 |
| 10 | Wavelength-independent all-optical synchronization of?a?Q-switched 100-ps microchip laser to?a?femtosecond?laser?reference?source显示文摘 | D. Nodop J. Rothhardt S. H?drich J. Limpert A. Tünnermann | 2009 | Applied Physics B2009，，3： | 1 |
| 11 | Theoretical analysis of the gain bandwidth for noncollinear parametric amplification of ultrafast pulses显示文摘 | Schimpf D N Rothhardt J Limpert J | 2007 | J Opt Soc Am B2007，24，11： | 1 |
| 12 | Extended single-mode photonic crystal fiber lasers显示文摘 | J Limpert O Schmidt J Rothhardt | 2006 | Optics Express2006，14，7： | 1 |
| 13 | Extended single mode photonic crystal fiber lasers显示文摘 | LIMPERT J SCHMIDT O ROTHHARDT J el al | 2006 | Optics Eapress2006，14，7： | 1 |
| 14 | Characterization ofPOCl3-based codiffusion processes for bifacial n-type solar cells显示文摘 | Philip Rothhardt Sebastian Meier Stefan Maier | 2014 | IEEE Journal of Photovoltaics2014，4，3： | 1 |
| 15 | Single-polarization ultra-large-mode-area Yb-doped photonic crystal fiber显示文摘 | SCHMIDT O ROTHHARDT J EIDAM T | 2008 | Optics Express2008，16，6： | 1 |
| 16 | Extended single-mode photonie crystal fiber lasers显示文摘 | LIMPERT J SCHMIDT O ROTHHARDT J | 2006 | Optics Express2006，14，7： | 1 |
| 17 | High qual-ity sub-two cycle pulses from compression of supercontinuum generated in all-normal dispersion photonic crystal fiber显示文摘 | HEIDT A M ROTHHARDT J HARTUNG A | 2011 | Op- tics Express2011，19，13： | 1 |
| 18 | 查看详情显示文摘 | Wang Y P Jin W Jin L Tan X L Bartelt H Ecke W Moerl K Schroeder K Spittel R Willsch R Kobelke J Rothhardt M Shan L Brueckner S | | 0，，： | 1 |
| 19 | Breakdown experiments in diluted SF6 at elevated temperatures显示文摘 | ROTHHARDT L MASTOVSKY J BLAHA J | | 0，，： | 1 |
| 20 | Transcranial direct current stimulation for motor recovery of upper limb function after stroke显示文摘 | Ludemann-Podubecke J Bosl K Rothhardt S | 2014 | Neurosci Biobehav Rev2014，47，11： | 1 |
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