CFEL-UFOX

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2017-04-26
08:11
[PUBDB-2017-01911] Journal Article
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100-nm tunable femtosecond Cr:LiSAF laser mode locked with a broadband saturable Bragg reflector
Applied optics 56(13), 3812 - 3816 (2017) [10.1364/AO.56.003812]  GO
ddc:530
We report broad tunability of a femtosecond (fs) diode-pumped Cr:LiSAF laser mode-locked with a broadband saturable Bragg reflector (SBR). The SBR had seven pairs of Al$_𝑥$O$_𝑦$(𝑛∼1.5) and Al$_{0.17}$Ga$_{0.83}$As(𝑛∼3.5) layers in its Bragg stack, enabling a 250 nm reflectivity bandwidth around 850 nm. [...]
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2017-04-25
13:09
OpenAccess [PUBDB-2017-01878] Journal Article
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THz cavities and injectors for compact electron acceleration using laser-driven THz sources
ddc:530
We present a design methodology for developing ultrasmall electron injectors and accelerators based on cascaded cavities excited by short multicycle THz pulses obtained from laser-driven THz generation schemes. Based on the developed concept for optimal coupling of the THz pulse, a THz electron injector and two accelerating stages are designed. [...]
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2017-04-06
15:33
OpenAccess [PUBDB-2017-01532] Book/Report/Dissertation / PhD Thesis
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Few-cycle High Energy Mid-Infrared Pulse from Ho:YLF Laser
[DESY-THESIS-2017-012]
DESY-THESIS 188 pp., (2017) [10.3204/PUBDB-2017-01532]  GO
Over the past decade, development of high-energy ultrafast laser sources hasled to important breakthroughs in attoscience and strong-field physicsstudy of atoms and molecules. Coherent pulse synthesis of a few-cyclehigh-energy laser pulse is a promising tool to generate isolated attosecond pulsesvia high harmonics generation (HHG). [...]
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2017-04-06
08:33
OpenAccess [PUBDB-2017-01527] Journal Article
; ; ; et al
Study on laser characteristics of Ho:YLF regenerative ampliers: Operation regimes, gain dynamics, and highly stable operation points
ddc:530
We present a comprehensive study of laser pulse amplification of Ho:YLF regenerative amplifiers (RAs) with respect to operation regimes, gain dynamics, and output pulse stability. The findings are expected to be more generic than for this specific gain material. [...]
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2017-03-21
13:23
[PUBDB-2017-01432] Contribution to a conference proceedings/Contribution to a book
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Scaling of High Harmonic Generation with Visible Driver Wavelengths
Conference on Lasers and Electro-Optics 2012 : [Proceedings], 2012. - ISBN 978-1-55752-943-5 - doi:10.1364/CLEO_SI.2012.CF1L.1
CLEO: Science and Innovations, Meeting locationSan Jose, USA, 6 May 2012 - 11 May 20122012-05-062012-05-11
OSA technical digest (online) Online-Ressource (2012) [10.1364/CLEO_SI.2012.CF1L.1]  GO
The wavelength scaling of high harmonic generation efficiency and cutoff is studied with different visible driver wavelengths from a tunable optical parametric amplifier. A λ$^{-5.9}$ scaling relation for the efficiency is measured..
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2017-03-21
13:18
[PUBDB-2017-01431] Contribution to a conference proceedings/Contribution to a book
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Spectro-Temporal Characterization of All Channels in a Sub-Optical-Cycle Parametric Waveform Synthesizer
CLEO: 2014 : [Proceedings], 2014. - ISBN 978-1-55752-999-2 - doi:10.1364/CLEO_SI.2014.SF1E.3
CLEO: Science and Innovations, Meeting locationSan Jose, USA, 8 Jun 2014 - 13 Jun 20142014-06-082014-06-13
OSA technical digest (online) Online-Ressource (2014) [10.1364/CLEO_SI.2014.SF1E.3]  GO
We present FROG characterization of all three amplification channels of a two-stage sub-optical-cycle parametric waveform synthesizercovering more than twooctaves in bandwidth. A flexible dispersion compensation scheme will permit compression at the multi-mJ level..
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2017-03-21
12:13
[PUBDB-2017-01430] Contribution to a conference proceedings/Contribution to a book
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High-Energy Sub-Optical-Cycle Parametric Waveform Synthesizer
19th International Conference on Ultrafast Phenomena : [Proceedings], 2014. - ISBN 1-55752-279-0 - doi:10.1364/UP.2014.07.Mon.P1.55
International Conference on Ultrafast Phenomena, Meeting locationOkinawa, Japan, 7 Jul 2014 - 11 Jul 20142014-07-072014-07-11
OSA technical digest (online) Online-Ressource (2014) [10.1364/UP.2014.07.Mon.P1.55]  GO
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2017-03-21
12:05
[PUBDB-2017-01429] Contribution to a conference proceedings/Contribution to a book
; ; ; et al
Above-Millijoule Optical Waveforms Compressible to Sub-fs Using Induced-Phase Modulation in a Neon-Filled Hollow-Core Fiber
19th International Conference on Ultrafast Phenomena : [Proceedings], 2014. - ISBN 1-55752-279-0 - doi:10.1364/UP.2014.09.Wed.P3.60
International Conference on Ultrafast Phenomena, UP 2014, Meeting locationOkinawa, Japan, 7 Jul 2014 - 11 Jul 20142014-07-072014-07-11
OSA technical digest (online) Online-Ressource (2014) [10.1364/UP.2014.09.Wed.P3.60]  GO
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2017-03-21
09:38
[PUBDB-2017-01417] Journal Article
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Generation and multi-octave shaping of mid-infrared intense single-cycle pulses
ddc:530
The generation of intense mid-infrared (mid-IR) optical pulses with customizable shape and spectra spanning a multipleoctave range of vibrational frequencies is an elusive technologicalcapability. While some recent approaches to mid-IR supercontinuum generation—such as filamentation, multicolour four-wave-mixing and optical rectification1–8—have successfullygenerated broad spectra, no process has been identified for achieving complex pulse shaping at the generation step. [...]
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2017-03-20
09:36
[PUBDB-2017-01416] Journal Article
; ; ; et al
High-power thulium lasers on a silicon photonics platform
Optics letters 42(6), 1181 - 1184 (2017) [10.1364/OL.42.001181]  GO
ddc:530
Mid-infrared laser sources are of great interest for various applications, including light detection and ranging, spectroscopy, communication, trace-gas detection, and medical sensing. Silicon photonics is a promising platform that enables these applications to be integrated on a single chip with low cost and compact size. [...]
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