In der Nacht von Dienstag auf Mittwoch wurde beim World Series of Poker $ Main Event der Tag 2 a/b gespielt. Spieler vom. He is responsible as Head of Investment Analysis and Controlling, covering Performance Analysis, the Risk Control Function and the. DataWarehouse of Union. Hauptinhalt. Dipl. Ing. Joachim Hein. Dipl. Ing. Joachim Hein. Foto von Dipl. Ing. Joachim Hein E-Mail senden. nhlshopusa.comldt at nhlshopusa.com <
SprungmarkenRoom Institut für Optik und Quantenelektronik Friedrich-Schiller-Universität Jena Max-Wien-Platz 1 Jena. Publications by Dr. Joachim Hein. Member. Gründung des Architekturbüros Hein in Herford; Eintritt von Joachim Hein in das Büro als freier Mitarbeiter; Partnerschaft zwischen Reinhard. He is responsible as Head of Investment Analysis and Controlling, covering Performance Analysis, the Risk Control Function and the. DataWarehouse of Union.
Joachim Hein DER PASSENDE TEXT FÜR JEDEN ZWECK VideoInterview Hans Hein Joachim Hein is located in Stelle, Niedersachsen, Germany and is part of the Lumber Wholesalers Industry. Joachim Hein has 6 employees at this location and generates $, in sales (USD). D&B Hoovers provides sales leads and sales intelligence data on over million companies like Joachim Hein around the world, including contacts. View the profiles of people named Joachim Hein. Join Facebook to connect with Joachim Hein and others you may know. Facebook gives people the power to. E-mail [email protected] Phone +49 Fax +49 Room Institut für Optik und Quantenelektronik Friedrich-Schiller-Universität Jena Max-Wien-Platz 1 Jena Publications by Dr. Joachim Hein. Member of Helmholtz-Gemeinschaft. A. ButcherJ. Abstract: In this paper the development and implementation of a novel amplifier setup as an additional stage for the CPA pump laser of the Petawatt Field Synthesizer, currently developed at the Max-Planck-Institute of Quantum Optics, is presented. Kaluza Diode-pumped, cryogenically cooled, femtosecond burst mode laser. The Romee Spiel technologies and Sumaker basic design are reviewed here.
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So erreichen Sie uns telefonisch Telefon: Fax: Es scheint nichts anzuzeigen zu sein. Siebold , M. The temperature of these materials was adjusted arbitrarily between K and K, while heat removal was realized by transverse cooling.
In order to obtain a good beam profile throughout the amplification process, we used an all-mirror based relay imaging setup consisting of a telescope accomplishing a 4f-imaging with a plane mirror in each image plane.
The amplification beam is then coupled into the cavity and doing several round trips wandering over the surface of the spherical mirrors.
Hence the laser material is placed in one of the image planes, the beam quality of the amplifier was ruled by the intensity profile of the pumping laser diodes consisting of two stacks with 2.
Due to the given damage threshold fluence, the output energy of the amplifier was limited to about 1J at a beam diameter of 4.
The seed pulses with a duration of 6 ns were generated in a Yb:FPglass cavity dumped oscillator with further amplification up to the mJ level by a room temperature Yb:YAG multi pass amplifier.
The 1 Hz repetition rate of the system was limited by the repetition rate of the front-end. With Yb:YAG for instance an output energy of 1.
Contrast improvement by prepulse suppression in cascaded amplifier cavities. We introduce a method to suppress prepulses of pulse picking systems due to the limited extinction ratio of polarization gating systems.
By matching the round trip times of the oscillator and the subsequent regenerative amplifiers, leaking pulses are hidden below the temporal intensity pedestal of the main pulse.
With this method, prepulses at the temporal position equal to the time difference of the round trip times of the cavities could be suppressed completely.
Körner , M. Liebetrau , R. Seifert , M. Lenski , S. Pastrik , J. Gottschall , J. Limpert , V. We report on a novel 10 mJ-level diode-pumped Yb:KYW amplifier at nm, which generates picosecond pulses at a repetition rate of 10 Hz.
It will be used in the front end of a petawatt laser system for pumping an optical parametric amplifier OPA for contrast enhancement.
For synchronization purposes the amplifier is seeded by pulses that are derived from the femtosecond oscillator.
After stretching by a volume Bragg grating and amplification in a double stage fiber amplifier the pulses are injected into the Yb:KYW regenerative cavity.
Finally, the pulses are compressed to 1 ps before preparing pump pulses for the OPA by second harmonic conversion. Proceedings Article 20 May Extreme light infrastructure: laser architecture and major challenges.
Chambaret , O. Chekhlov , G. Cheriaux , J. Collier , R. Dabu , P. Dombi , A. Dunne , K. Ertel , P. Georges , J. Hebling , J. Hein , C.
Hernandez-Gomez , C. Hooker , S. Karsch , G. Korn , F. Krausz , C. Le Blanc , Zs. Major , F. Mathieu , T.
Metzger , G. Mourou , P. Nickles , K. Osvay , B. Rus , W. Sandner , G. Ursescu , K. Extreme Light Infrastructure ELI , the first research facility hosting an exawatt class laser will be built with a joint international effort and form an integrated infrastructure comprised at last three branches: Attosecond Science in Szeged, Hungary designed to make temporal investigation at the attosecond scale of electron dynamics in atoms, molecules, plasmas and solids.
High Field Science will be mainly focused on producing ultra intense and ultra short sources of electons, protons and ions, coherent and high energetic X rays in Prague, Czech Republic as well as laserbased nuclear physics in Magurele, Romania.
The location of the fourth pillar devoted to Extreme Field Science, which will explore laser-matter interaction up to the non linear QED limit including the investigation of vacuum structure and pair creation, will be decided after This last step will depend on the laser technology development in the above three sites as well as in current high intensity laser facilities.
Proceedings Article 22 April Diode-pumped ytterbium-based chirped-pulse amplifier. This paper will describe a comparative study on four different Yb-doped laser materials in a diode-pumped femtosecond chirped-pulse amplifier.
Furthermore, the amplifier performance at nanosecond and microsecond time-scales was analyzed. With regard to the nm line-width of the emission cross section the gain narrowing in Yb:YAG was investigated in particular.
The pulse spectrum was narrowed to 1. This corresponds to a compressed pulse duration of 0. When seeding with nanosecond pulses of a Q-switched oscillator a maximum pulse energy of mJ at a repetition rate of 10Hz has been achieved.
Proceedings Article 30 December Comparative damage study on ytterbium-doped materials for diode-pumped high energy lasers. Koerner , M.
Wolf , A. Herrmann , J. We report on a comparative study of the damage threshold of ytterbium-doped laser materials which are important for diode-pumped, high-energy class short pulse lasers.
Both surface and bulk damage thresholds at the lasing wavelength of nm were investigated. A pulse duration of 6. In order to achieve comparability and repeatability of the damage measurements the surface preparation of the used samples was kept constant.
Furthermore, the correlation of the bulk damage threshold and the UV absorption spectra was analyzed. Proceedings Article 16 April High-energy diode-pumped Yb:YAG chirped pulse amplifier.
Pulses as short as fs generated in an Yb:glass mode-locked oscillator have been stretched to the nanosecond level.
The seed pulses are then amplified up to an output pulse energy of mJ in a diode-pumped Yb:glass regenerative amplifier and a subsequent Yb:YAG booster.
With a multi-pass Yb:YAG amplifier which has been seeded by a Q-switched subnanosecond laser an output pulse energy of 2. In quasi-cw-mode a peak output power of 7.
The foot-print-size of the multi-pass amplifier is 0. Proceedings Article 15 October Profile homogenization and monitoring for a multiple J diode-laser pumping system.
Siebold , S. Podleska , J. Hein , R. Bödefeld , M. Hornung , M. Schnepp , R. Collimated pump light of laser diode bars is focussed onto an a circular glass disk with 28mm diameter.
A two-sided ring shaped assembly of diode stacks and attached optics is applied for longitudinal pumping.
For monitoring purpose the pulse energy of each diode stack is measured with a solar panel placed behind a reflecting mirror. Podleska , M.
Schnepp , J.