High Power Picosecond CO2 Laser System for ATF Electron Accelerator Project PDF Download
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Category :
Languages : en
Pages : 12
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Book Description
Author:
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ISBN:
Category :
Languages : en
Pages : 12
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Book Description
Author:
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Category :
Languages : en
Pages : 7
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Fourth-harmonic Nd:YAG pulses illuminating a microwave linear accelerator's photoinjector generates electron bunches in trains for FEL experiments, or in a single pulse for laser acceleration. A multi-gigawatt CO2 laser switched by the ND:YAG fundamental delivers 50-ps pulses for Inverse Cherenkov, Inverse FEL, or Grating Linac electron acceleration experiments.
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Category :
Languages : en
Pages : 14
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Book Description
A compact table-top 20-GW 50-ps CO2 laser system is in operation for strong-field physics studies at the ATF. We propose scaling up of the picosecond CO2 laser to a terawatt peak power level to meet the requirements of advanced laser accelerators. Computer modeling shows that a relatively compact single-beam picosecond CO2 laser system with a high-pressure x-ray picosecond amplifier of a 10-cm aperture is potentially scalable to the (approximately)1-TW peak power level.
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Category : Aeronautics
Languages : en
Pages : 692
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Category :
Languages : en
Pages : 10
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The first terawatt picosecond C02 laser system is under development at the Brookhaven Accelerator Test Facility. Presently operational 1 Joule 100-ps ATF laser will be upgraded with a 10 atm amplifier capable of delivery (approximately) 15 Joules of laser energy in a 3 ps pulse. We describe the design of the x-ray preionized 10 atm amplifier of a 10 liter active volume energized by a 1 MV, 200 kA transverse electric discharge. The amplifier, equipped with internal optics, permits the accommodation of a regenerative stage and a multi-pass booster in a relatively compact single discharge volume. The ATF terawatt C02 laser shall become operational in 1997 to serve for laser acceleration, x-ray generation and other strong-field physics experiments.
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Category :
Languages : en
Pages : 4
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Book Description
The first terawatt picosecond (TWps) CO2 laser is under construction at the BNL Accelerator Test Facility (ATF). TWps-CO2 lasers, having the order of magnitude longer wavelength than the well-known table-top terawatt solid state lasers, offer new opportunities for the strong-field physics research. For processes based on electro quiver motion, such as laser wakefield acceleration (LWFA), the advantage of the new class of lasers is due to a gain of two orders of magnitude in the ponderomotive potential for the same peak power. The large average power capability of CO2 lasers is important for the generation of hard radiation through Compton back-scattering of the laser off energetic electron beams, as well as for other applications. Among them are: LWFA modules of a tentative electron-positron collider, [gamma]-[gamma] (or [gamma]-lepton) collider, a possible table-top source of high-intensity x-rays and gamma rays and the generation of polarized positron beams.
Author: Jonathan S. Wurtele
Publisher: American Institute of Physics
ISBN:
Category : Science
Languages : en
Pages : 1036
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This Proceedings contains the papers presented at the 3rd Workshop on Advanced Accelerators. Some of the topics include; laser and particle beam wakefield acceleration, plasma lenses, ion channel transport, high-power RF sources, two-beam accelerators, beam-beam interaction... FROM LONG DESCRIPTION
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Category :
Languages : en
Pages : 17
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Book Description
Demonstration of ultra-high acceleration gradients in the SM LWFA experiments put a next objective for the laser accelerator development to achieve a low-emittance monochromatic acceleration over extended interaction distances. The emerging picosecond terawatt (ps-TW) CO2 laser technology helps to meet this strategic goal. Among the considered examples are: the staged electron laser accelerator (STELLA) experiment, which is being conducted at the Brookhaven ATF, and the plasma-channeled LWFA. The long-wavelength and high average power capabilities of CO2 lasers maybe utilized also for generation of intense x-ray and gamma radiation through Compton back-scattering of the laser beams off relativistic electrons. We discuss applications of ps-TW CO2 lasers for a tentative [gamma]-[gamma] (or [gamma]-lepton) collider and generation of polarized positron beams.
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Category :
Languages : en
Pages : 11
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Book Description
A brief overview of laser acceleration techniques and a comparative analysis of the picosecond terawatt (ps-TW) CO2 laser technology versus T3 solid state lasers for prospective HEP applications. Special attention is given to two laser accelerator schemes. The first one is the far-field staged laser accelerator, STELLA, which is under exploration at the ATF using a CO2 laser. The second is a laser wakefield accelerator where ps-TW CO2 lasers have a great potential. Inverse to the laser accelerator, a prospective monochromatic x-ray source feasible at the ATF will also utilize a 50 MeV subpicosecond electron beam and the first ps-TW CO2 laser, PITER I.
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Category :
Languages : en
Pages : 57
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Extended cylindrical plasma channels produced under gas breakdown by axicon-focused laser beams may be used as optical waveguides in laser-driven electron accelerators. Plasma channeling of the laser beams will help to maintain a high acceleration gradient over many Rayleigh lengths. In addition, the rarefied gas density channel produced after the optical gas breakdown, and followed by a plasma column expansion, reduces multiple scattering of the electron beam. A high-power picosecond C02laser operational at the ATF and being further upgraded to the 1 TW level is considered as the source for a plasma channel formation and as the laser accelerator driver. We show how various laser accelerator schemes including beat wave, wake field, and Inverse Cherenkov accelerator benefit from using a channeled short-pulse C02laser as a driver.
