Advances in collisionally pumped optical-field-ionization soft x-ray lasers

T. Mocek; S. Sebban; L. M. Upcraft; I. Bettaibi; P. Balcou; G. Grillon; B. Rus; D. Ros; A. Klisnick; A. Carillon; G. Jamelot; J. F. Wyart

doi:10.1117/12.504757

Advances in collisionally pumped optical-field-ionization soft x-ray lasers

T. Mocek, S. Sebban, L. M. Upcraft, I. Bettaibi, P. Balcou, G. Grillon, B. Rus, D. Ros, A. Klisnick, A. Carillon, G. Jamelot, J. F. Wyart

Research output: Contribution to journal › Conference article › peer-review

Abstract

We give an overview of recent results on optical-field-ionization collisional soft X-ray lasers developed at LOA. By focusing a 30-fs, circularly polarized Ti-sapphire laser pulse at an intensity of up to 8 × 10 ¹⁷ Wcm^-2 into a low-density gas cell containing xenon or krypton, we produced a few mm long plasma column for soft X-ray amplifier. Saturated amplification has been achieved on the 4d 5d(¹So) - 4d ⁹5p(¹P₁) transition at 41.8 nm in Pd-like Xe, and strong lasing at 32.8 nm on the 3d⁹4d(¹S₀) - 3d⁹4p(¹P₁) transition in Ni-like Kr has been demonstrated. Under optimum pumping conditions the Xe IX laser provides about 5 × 10⁹ photons per pulse while the Kr IX laser delivers up to (2-3) x 10 photons per shot. The repetition rate of these X-ray lasers is 10 Hz. The experimental results are discussed and compared to computational simulations in which issues related to plasma formation, electron energy distribution, and atomic processes are addressed.

Original language	English
Pages (from-to)	119-126
Number of pages	8
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	5197
DOIs	https://doi.org/10.1117/12.504757
Publication status	Published - 1 Jan 2003
Externally published	Yes
Event	Soft X-Ray Lasers and Applications V - San Diego, CA, United States Duration: 6 Aug 2003 → 7 Aug 2003

Keywords

Collisional
Femtosecond
Optical-field-ionization
Saturation
X-ray laser

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10.1117/12.504757

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title = "Advances in collisionally pumped optical-field-ionization soft x-ray lasers",

abstract = "We give an overview of recent results on optical-field-ionization collisional soft X-ray lasers developed at LOA. By focusing a 30-fs, circularly polarized Ti-sapphire laser pulse at an intensity of up to 8 × 10 17 Wcm-2 into a low-density gas cell containing xenon or krypton, we produced a few mm long plasma column for soft X-ray amplifier. Saturated amplification has been achieved on the 4d 5d(1So) - 4d 95p(1P1) transition at 41.8 nm in Pd-like Xe, and strong lasing at 32.8 nm on the 3d94d(1S0) - 3d94p(1P1) transition in Ni-like Kr has been demonstrated. Under optimum pumping conditions the Xe IX laser provides about 5 × 109 photons per pulse while the Kr IX laser delivers up to (2-3) x 10 photons per shot. The repetition rate of these X-ray lasers is 10 Hz. The experimental results are discussed and compared to computational simulations in which issues related to plasma formation, electron energy distribution, and atomic processes are addressed.",

keywords = "Collisional, Femtosecond, Optical-field-ionization, Saturation, X-ray laser",

author = "T. Mocek and S. Sebban and Upcraft, \{L. M.\} and I. Bettaibi and P. Balcou and G. Grillon and B. Rus and D. Ros and A. Klisnick and A. Carillon and G. Jamelot and Wyart, \{J. F.\}",

year = "2003",

month = jan,

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doi = "10.1117/12.504757",

language = "English",

volume = "5197",

pages = "119--126",

journal = "Proceedings of SPIE - The International Society for Optical Engineering",

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note = "Soft X-Ray Lasers and Applications V ; Conference date: 06-08-2003 Through 07-08-2003",

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TY - JOUR

T1 - Advances in collisionally pumped optical-field-ionization soft x-ray lasers

AU - Mocek, T.

AU - Sebban, S.

AU - Upcraft, L. M.

AU - Bettaibi, I.

AU - Balcou, P.

AU - Grillon, G.

AU - Rus, B.

AU - Ros, D.

AU - Klisnick, A.

AU - Carillon, A.

AU - Jamelot, G.

AU - Wyart, J. F.

PY - 2003/1/1

Y1 - 2003/1/1

N2 - We give an overview of recent results on optical-field-ionization collisional soft X-ray lasers developed at LOA. By focusing a 30-fs, circularly polarized Ti-sapphire laser pulse at an intensity of up to 8 × 10 17 Wcm-2 into a low-density gas cell containing xenon or krypton, we produced a few mm long plasma column for soft X-ray amplifier. Saturated amplification has been achieved on the 4d 5d(1So) - 4d 95p(1P1) transition at 41.8 nm in Pd-like Xe, and strong lasing at 32.8 nm on the 3d94d(1S0) - 3d94p(1P1) transition in Ni-like Kr has been demonstrated. Under optimum pumping conditions the Xe IX laser provides about 5 × 109 photons per pulse while the Kr IX laser delivers up to (2-3) x 10 photons per shot. The repetition rate of these X-ray lasers is 10 Hz. The experimental results are discussed and compared to computational simulations in which issues related to plasma formation, electron energy distribution, and atomic processes are addressed.

AB - We give an overview of recent results on optical-field-ionization collisional soft X-ray lasers developed at LOA. By focusing a 30-fs, circularly polarized Ti-sapphire laser pulse at an intensity of up to 8 × 10 17 Wcm-2 into a low-density gas cell containing xenon or krypton, we produced a few mm long plasma column for soft X-ray amplifier. Saturated amplification has been achieved on the 4d 5d(1So) - 4d 95p(1P1) transition at 41.8 nm in Pd-like Xe, and strong lasing at 32.8 nm on the 3d94d(1S0) - 3d94p(1P1) transition in Ni-like Kr has been demonstrated. Under optimum pumping conditions the Xe IX laser provides about 5 × 109 photons per pulse while the Kr IX laser delivers up to (2-3) x 10 photons per shot. The repetition rate of these X-ray lasers is 10 Hz. The experimental results are discussed and compared to computational simulations in which issues related to plasma formation, electron energy distribution, and atomic processes are addressed.

KW - Collisional

KW - Femtosecond

KW - Optical-field-ionization

KW - Saturation

KW - X-ray laser

U2 - 10.1117/12.504757

DO - 10.1117/12.504757

M3 - Conference article

AN - SCOPUS:11144357554

SN - 0277-786X

VL - 5197

SP - 119

EP - 126

JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

T2 - Soft X-Ray Lasers and Applications V

Y2 - 6 August 2003 through 7 August 2003

ER -

Advances in collisionally pumped optical-field-ionization soft x-ray lasers

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Keywords

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