Heavy ion beam pumped He-Ar laser

Ulrich, A.; Böhn, H.; Kienle, Paul; Perlow, G. J.

doi:10.1063/1.94086

Cited by 24 publications

(11 citation statements)

References 4 publications

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“…Heavy ion beam pumping [2] of gas lasers had first been demonstrated in 1983 stimulated by the so-called nuclear pumped laser experiments in which the flux of nuclear fission fragments is used to pump gas lasers [3]. Various laser schemes have been studied [4][5][6][7][8], but due to the limited pumping power levels provided by ion accelerators, the wavelength range of ion beam pumped lasers had been limited to the infrared and visible spectral region [9,10].…”

Section: Motivationmentioning

confidence: 99%

Laser effect on the 248nm KrF transition using heavy ion beam pumping

Adonin

Jacoby

Turtikov

et al. 2007

Nuclear Instruments and Methods in Physics Research Section A:

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Section: Motivationmentioning

confidence: 99%

Laser effect on the 248nm KrF transition using heavy ion beam pumping

Adonin

Jacoby

Turtikov

et al. 2007

Nuclear Instruments and Methods in Physics Research Section A:

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“…The concept to pump lasers with heavy ions beams was originally introduced by P. Kienle and discussed by the author in a Diploma and Ph.D. theses in the early 1980s [2]. The great variety of light emission mechanisms that can be studied with particle beam excitation of dense gases has more recently led to many practical applications [3][4][5][6].…”

Section: Heavy-ion Beam Pumped Uv Lasermentioning

confidence: 99%

Heavy-Ion Beam Pumped UV Laser

Ulrich

2008

Nuclear Physics News

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“…Investigations in this field were continued, but due to the limited pumping power densities, provided by ion accelerators, the wavelength range of the ion beam pumped lasers had been limited to the infrared and visible spectral region (Ulrich et al, 1983(Ulrich et al, , 1994. This situation has now been greatly improved due to the significant increase in beam intensity and beam quality available at the GSI ion accelerator facility.…”

Section: Introductionmentioning

confidence: 97%

“…Heavy ion beam pumping of gas lasers had first been demonstrated in 1983 at the Munich tandem van de Graaff accelerator by pumping an infrared He-Ar laser with a 100 MeV 32 S beam (Ulrich et al, 1983). Investigations in this field were continued, but due to the limited pumping power densities, provided by ion accelerators, the wavelength range of the ion beam pumped lasers had been limited to the infrared and visible spectral region (Ulrich et al, 1983(Ulrich et al, , 1994.…”

Section: Introductionmentioning

confidence: 99%

Intense heavy ion beams as a pumping source for short wavelength lasers

et al. 2009

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The high energy loss of heavy ions in matter as well as the small angular scattering makes heavy ion beams an excellent tool to produce almost cylindrical and homogeneously excited volumes in matter. This aspect can be used to pump short wavelength lasers. For the first time, a beam of heavy ions was used to pump a short wavelength gas laser in an experiment performed at the GSI ion accelerator facility in December 2005. In this experiment, the well-known KrF* excimer laser was pumped with an intense uranium beam. Pulses of an uranium beam compressed down to 110 ns (full width at half maximum) with initial particle energy of 250 MeV per nucleon were stopped inside a gas laser cell. A mixture of an excimer laser premix gas (95.5%Kr þ 0.5%F 2 ) and a buffer gas (Ar) in different proportions was used as the laser gas. The maximum beam intensity reached in the experiment was 2.5 Â 10 9 particles per pulse, which resulted in 34 J/g specific energy deposited in the laser gas. The laser effect on the transition at l ¼ 248 nm has been successfully demonstrated by various independent methods. There, the laser threshold was reached with a beam intensity of 1.2 Â 10 9 particles per pulse, and the energy of the laser pulse of about 2 mJ was measured for an ion beam intensity of 2 Â 10 9 particles per pulse. As a next step, it is planned to reduce the laser wavelength down to the vacuum ultraviolet spectral region, and to proceed to the excimer lasers of the pure rare gases. The perspectives for such experiments are discussed and the detailed estimations for Xe and Kr cases are given. We believe that the use of heavy ion beams as a pumping source may lead to new pumping schemes on the higher lying level transitions and considerably shorter wavelengths, which rely on the high cross sections for multiple ionization of the target species.

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Heavy ion beam pumped He-Ar laser

Abstract: A 100-MeV 32S beam was used to pump a He-Ar gas laser. Laser action of the 1.79-μm line was observed above a threshold of 33-W beam power input. The light conversion efficiency is about 1×10−4 with a (99%)He-(1%)Ar gas mixture at 200-mbar pressure and 132-W input power.

Cited by 24 publications

References 4 publications

Laser effect on the 248nm KrF transition using heavy ion beam pumping

Laser effect on the 248nm KrF transition using heavy ion beam pumping

Heavy-Ion Beam Pumped UV Laser

Intense heavy ion beams as a pumping source for short wavelength lasers

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