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Title: Damage-resistant single-pulse optics for x-ray free electron lasers

Abstract

Short-pulse ultraviolet and x-ray free electron lasers of unprecedented peak brightness are in the process of revolutionizing physics, chemistry, and biology. Optical components for these new light sources have to be able to withstand exposure to the extremely high-fluence photon pulses. Whereas most optics have been designed to stay intact for many pulses, it has also been suggested that single-pulse optics that function during the pulse but disintegrate on a longer timescale, may be useful at higher fluences than multiple-pulse optics. In this paper we will review damage-resistant single-pulse optics that recently have been demonstrated at the FLASH soft-x-ray laser facility at DESY, including mirrors, apertures, and nanolenses. It was found that these objects stay intact for the duration of the 25-fs FLASH pulse, even when exposed to fluences that exceed the melt damage threshold by fifty times or more. We present a computational model for the FLASH laser-material interaction to analyze the extent to which the optics still function during the pulse. Comparison to experimental results obtained at FLASH shows good quantitative agreement.

Authors:
; ; ; ;
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
908137
Report Number(s):
UCRL-CONF-230792
TRN: US0703645
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Conference
Resource Relation:
Conference: Presented at: Optics and Optoelectronics, Prague, Czech Republic, Apr 16 - Apr 19, 2007
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUMM MECHANICS, GENERAL PHYSICS; 42 ENGINEERING; APERTURES; BIOLOGY; BRIGHTNESS; CHEMISTRY; FREE ELECTRON LASERS; LASERS; LIGHT SOURCES; MIRRORS; OPTICS; PHOTONS; PHYSICS

Citation Formats

Hau-Riege, S, London, R, Bogan, M, Chapman, H, and Bergh, M. Damage-resistant single-pulse optics for x-ray free electron lasers. United States: N. p., 2007. Web.
Hau-Riege, S, London, R, Bogan, M, Chapman, H, & Bergh, M. Damage-resistant single-pulse optics for x-ray free electron lasers. United States.
Hau-Riege, S, London, R, Bogan, M, Chapman, H, and Bergh, M. Fri . "Damage-resistant single-pulse optics for x-ray free electron lasers". United States. doi:. https://www.osti.gov/servlets/purl/908137.
@article{osti_908137,
title = {Damage-resistant single-pulse optics for x-ray free electron lasers},
author = {Hau-Riege, S and London, R and Bogan, M and Chapman, H and Bergh, M},
abstractNote = {Short-pulse ultraviolet and x-ray free electron lasers of unprecedented peak brightness are in the process of revolutionizing physics, chemistry, and biology. Optical components for these new light sources have to be able to withstand exposure to the extremely high-fluence photon pulses. Whereas most optics have been designed to stay intact for many pulses, it has also been suggested that single-pulse optics that function during the pulse but disintegrate on a longer timescale, may be useful at higher fluences than multiple-pulse optics. In this paper we will review damage-resistant single-pulse optics that recently have been demonstrated at the FLASH soft-x-ray laser facility at DESY, including mirrors, apertures, and nanolenses. It was found that these objects stay intact for the duration of the 25-fs FLASH pulse, even when exposed to fluences that exceed the melt damage threshold by fifty times or more. We present a computational model for the FLASH laser-material interaction to analyze the extent to which the optics still function during the pulse. Comparison to experimental results obtained at FLASH shows good quantitative agreement.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Apr 27 00:00:00 EDT 2007},
month = {Fri Apr 27 00:00:00 EDT 2007}
}

Conference:
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