Demonstration of a Circularly Polarized Plasma-Based Soft-X-Ray Laser
Adrien Depresseux
(1)
,
E. Oliva
(2)
,
Julien Gautier
(1)
,
Fabien Tissandier
(1)
,
Guillaume Lambert
(1)
,
Boris Vodungbo
(1)
,
Jean-Philippe Goddet
(1)
,
Amar Tafzi
(1)
,
J. Nejdl
(3)
,
M. Kozlova
(3)
,
G. Maynard
(2)
,
H. t. Kim
(4, 5)
,
Kim Ta Phuoc
(1)
,
Antoine Rousse
(1)
,
Philippe Zeitoun
(1)
,
Stéphane Sebban
(1)
Fabien Tissandier
- Function : Author
- PersonId : 4398
- IdHAL : ftissandier
- IdRef : 16036647X
Boris Vodungbo
- Function : Author
- PersonId : 4340
- IdHAL : boris-vodungbo
- ORCID : 0000-0002-0168-9343
- IdRef : 130370444
Kim Ta Phuoc
- Function : Author
- PersonId : 4413
- IdHAL : kim-ta-phuoc
- IdRef : 076337030
Philippe Zeitoun
- Function : Author
- PersonId : 750377
- IdHAL : fictif-zap
Abstract
We report the first experimental demonstration of a laser-driven circularly polarized soft-x-ray laser chain. It has been achieved by seeding a 32.8 nm Kr ix plasma amplifier with a high-order harmonic beam, which has been circularly polarized using a four-reflector polarizer. Our measurements testify that the amplified radiation maintains the initial polarization of the seed pulse in good agreement with our Maxwell-Bloch modeling. The resulting fully circular soft-x-ray laser beam exhibits a Gaussian profile and yields about 1010 photons per shot, fulfilling the requirements for laboratory-scale photon-demanding application experiments.