A feasibility study of TAC IR-FEL project

Aksakal, H.; Arikan, E.

doi:10.1016/j.nima.2010.04.016

Cited by 3 publications

(2 citation statements)

References 12 publications

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“…However, the use of CW lasers to provide the envisioned field strengths with focal beam waists in excess of ω 0 = 10 µm would require optical power levels of 30-300 kW, respectively, with a beam quality that allows for such tight focusing with a Rayleigh length comparable to the molecular beam diameter on the order of 1 mm. 100-kW-class CW lasers have been realized as fiber lasers [24], as CO 2 lasers [25] and as chemical deuterium fluoride lasers [26]. Coherent beam combining [27] is also a viable approach to achieve laser output at this power level [28].…”

Section: Introductionmentioning

confidence: 99%

Spatially-controlled complex molecules and their applications

Chang

Horke

Trippel

et al. 2015

International Reviews in Physical Chemistry

108

215

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The understanding of molecular structure and function is at the very heart of the chemical and molecular sciences. Experiments that allow for the creation of structurally pure samples and the investigation of their molecular dynamics and chemical function have developed tremendously over the last few decades, although "there's plenty of room at the bottom" for better control as well as further applications. Here, we describe the use of inhomogeneous electric fields for the manipulation of neutral molecules in the gas-phase, \ie, for the separation of complex molecules according to size, structural isomer, and quantum state. For these complex molecules, all quantum states are strong-field seeking, requiring dynamic fields for their confinement. Current applications of these controlled samples are summarised and interesting future applications discussed.Comment: Accepted by Int. Rev. Phys. Che

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Section: Introductionmentioning

confidence: 99%

Spatially-controlled complex molecules and their applications

Chang

Horke

Trippel

et al. 2015

International Reviews in Physical Chemistry

108

215

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“…The beam transport with linacs consists of 2 accelerator modules, each housing 2 nine-cell superconductive (SC) radio-frequency cavities. The energy of the electron beam is in the range of 15 − 40 MeV and it generates a 2 − 250 µm IR-FEL in optical cavities by 2 different undulators with 2.5 cm and 9.0 cm periods [4,5], to be used separately. The goal of this paper is to design a UHV system to match the requirements of the IR-FEL.…”

Section: Introductionmentioning

confidence: 99%

Vacuum properties of TARLA

Aksakal¹,

Arikan²,

Nergiz³

2013

Turk J Phys

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The Turkish Accelerator and Radiation Laboratory at Ankara (TARLA) is a part of the Turkish Accelerator Center project, which was designed to produce an infrared free electron laser in the wavelength band of 2 − 250 µm . The beamline of TARLA consists of 4 major sections: injector, beam transport line with linacs, optical cavities, and dump.All system components must be kept under ultrahigh vacuum standards to prevent beam scattering with residual gas.In the present study, the vacuum requirements of the beamline are defined and simulation vacuum and gas flow in the accelerator are presented.

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High-intracavity-power thin-disk laser for the alignment of molecules

Deppe¹,

Huber²,

Kränkel³

et al. 2015

Opt. Express

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We propose a novel approach for strong alignment of gas-phase molecules for experiments at arbitrary repetition rates. A high-intracavity-power continuous-wave laser will provide the necessary ac electric field of 10(10)-10(11) W/cm(2). We demonstrate thin-disk lasers based on Yb:YAG and Yb:Lu(2)O(3) in a linear high-finesse resonator providing intracavity power levels in excess of 100 kW at pump power levels on the order of 50 W. The multi-longitudinal-mode operation of this laser avoids spatial-hole burning even in a linear standing-wave resonator. The system will be scaled up as in-vacuum system to allow for the generation of fields of 10(11) W/cm(2). This system will be directly applicable for experiments at modern X-ray light sources, such as synchrotrons or free-electron lasers, which operate at various very high repetition rates. This would allow to record molecular movies through temporally resolved diffractive imaging of fixed-in-space molecules, as well as the spectroscopic investigation of combined X-ray-NIR strong-field effects of atomic and molecular systems.

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A feasibility study of TAC IR-FEL project

Cited by 3 publications

References 12 publications

Spatially-controlled complex molecules and their applications

Spatially-controlled complex molecules and their applications

Vacuum properties of TARLA

High-intracavity-power thin-disk laser for the alignment of molecules

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