Demonstration of a Ni-Like Kr Optical-Field-Ionization Collisional Soft X-Ray Laser at 32.8 nm - Archive ouverte HAL Access content directly
Journal Articles Physical Review Letters Year : 2002

Demonstration of a Ni-Like Kr Optical-Field-Ionization Collisional Soft X-Ray Laser at 32.8 nm

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Stéphane Sebban
Tomas Mocek
  • Function : Author
Philippe Balcou
Bedrich Rus
  • Function : Author
Constance Valentin
Antoine Rousse

Abstract

We report the first experimental demonstration of a Ni-like optical-field ionization collisional soft x-ray laser. The amplifying medium is generated by focusing a circularly polarized 760 mJ, 30 fs, 10-Hz Ti:sapphire laser beam in a few mm cell filled with krypton. We have measured a gain coefficient of 78  cm^-1 on the 3d^94d^1S0-3d^94p^1P1 transition at 32.8 nm, which is here amplified for the first time. This radiation source represents the shortest wavelength optical-field ionization collisional soft x-ray laser ever produced. The influence of the gas pressure and the pumping energy on the lasing output are also presented.
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Dates and versions

hal-00523166 , version 1 (04-10-2010)

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Cite

Stéphane Sebban, Tomas Mocek, D. Ros, L. Upcraft, Philippe Balcou, et al.. Demonstration of a Ni-Like Kr Optical-Field-Ionization Collisional Soft X-Ray Laser at 32.8 nm. Physical Review Letters, 2002, 89 (25), pp.253901. ⟨10.1103/PhysRevLett.89.253901⟩. ⟨hal-00523166⟩
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