Prepulse effect on laser-induced water-window radiation from a liquid nitrogen jet

J. Son; M. Cho; D. Kim; B. Ahn; J. Kim

doi:10.1063/1.2751581

Prepulse effect on laser-induced water-window radiation from a liquid nitrogen jet

J. Son, M. Cho, D. Kim, B. Ahn, J. Kim

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

The authors show the prepulse effect on the conversion efficiency of a visible laser into water-window (λ=2.3-4.4 nm) x ray from a liquid nitrogen jet. It is observed that a prepulse of only 2 mJ enhances the conversion efficiency by 10-15 times for the main pulse of 15-60 mJ at a delay of 3-6 ns. The photon flux is ∼1.2× 1012 photonspulse sr at a delay of 4 ns for a main pulse of 60 mJ with a prepulse of 4-8 mJ. It is noticed that the conversion efficiency increases with the delay up to 3 ns and is then saturated.

Original language	English
Article number	261502
Journal	Applied Physics Letters
Volume	90
Issue number	26
DOIs	https://doi.org/10.1063/1.2751581
Publication status	Published - 2007

Bibliographical note

Funding Information:
This work has been supported by Korean Ministry of Commerce, Industry and Energy and in part by National Research Laboratory program of KOSEF.

Copyright:
Copyright 2008 Elsevier B.V., All rights reserved.

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10.1063/1.2751581

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title = "Prepulse effect on laser-induced water-window radiation from a liquid nitrogen jet",

abstract = "The authors show the prepulse effect on the conversion efficiency of a visible laser into water-window (λ=2.3-4.4 nm) x ray from a liquid nitrogen jet. It is observed that a prepulse of only 2 mJ enhances the conversion efficiency by 10-15 times for the main pulse of 15-60 mJ at a delay of 3-6 ns. The photon flux is ∼1.2× 1012 photonspulse sr at a delay of 4 ns for a main pulse of 60 mJ with a prepulse of 4-8 mJ. It is noticed that the conversion efficiency increases with the delay up to 3 ns and is then saturated.",

author = "J. Son and M. Cho and D. Kim and B. Ahn and J. Kim",

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AU - Cho, M.

AU - Kim, D.

AU - Ahn, B.

AU - Kim, J.

N1 - Funding Information: This work has been supported by Korean Ministry of Commerce, Industry and Energy and in part by National Research Laboratory program of KOSEF. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.

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N2 - The authors show the prepulse effect on the conversion efficiency of a visible laser into water-window (λ=2.3-4.4 nm) x ray from a liquid nitrogen jet. It is observed that a prepulse of only 2 mJ enhances the conversion efficiency by 10-15 times for the main pulse of 15-60 mJ at a delay of 3-6 ns. The photon flux is ∼1.2× 1012 photonspulse sr at a delay of 4 ns for a main pulse of 60 mJ with a prepulse of 4-8 mJ. It is noticed that the conversion efficiency increases with the delay up to 3 ns and is then saturated.

AB - The authors show the prepulse effect on the conversion efficiency of a visible laser into water-window (λ=2.3-4.4 nm) x ray from a liquid nitrogen jet. It is observed that a prepulse of only 2 mJ enhances the conversion efficiency by 10-15 times for the main pulse of 15-60 mJ at a delay of 3-6 ns. The photon flux is ∼1.2× 1012 photonspulse sr at a delay of 4 ns for a main pulse of 60 mJ with a prepulse of 4-8 mJ. It is noticed that the conversion efficiency increases with the delay up to 3 ns and is then saturated.

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Prepulse effect on laser-induced water-window radiation from a liquid nitrogen jet

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