Mark Sher,1 Umar Mohideen,1 Harry W.K. Tom,2 Obert R. Wood II,1 Gary D. Aumiller,1 Thomas J. McIlrath,3 Jeffrey Bokor,4 Richard R. Freeman,1 Jack Sugar5
1AT&T Bell Labs. (United States) 2Univ. of California/Riverside (United States) 3Univ. of Maryland/College Park (United States) 4Lawrence Berkeley National Lab. and Univ. of California/Berkeley (United States) 5National Institute of Standards and Technology (United States)
PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.
We have demonstrated a system for subpicosecond, soft-x-ray continuum, pump-probe absorption spectroscopy. Using multiphoton ionization to abruptly change the x-ray absorption spectra of a gas, we have measured the temporal profile of laser-generated x-ray pulses near 90 eV. Although the x-ray pulses from a laser-generated plasma here were only as short as approximately 20 psec, the technique is extendible to higher energy x-rays which will have pulse durations approaching 100 fsec. We also present the absorption spectra of Kr ions produced under conditions of high intensity non-resonant multiphoton ionization. The spectra are identified with a fit to the Cowan code.
Mark Sher,Umar Mohideen,Harry W.K. Tom,Obert R. Wood II,Gary D. Aumiller,Thomas J. McIlrath,Jeffrey Bokor,Richard R. Freeman, andJack Sugar
"Soft x-ray pulse length measurement by pump-probe absorption spectroscopy", Proc. SPIE 1860, Short-Pulse High-Intensity Lasers and Applications II, (8 July 1993); https://doi.org/10.1117/12.147568
ACCESS THE FULL ARTICLE
INSTITUTIONAL Select your institution to access the SPIE Digital Library.
PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.
The alert did not successfully save. Please try again later.
Mark Sher, Umar Mohideen, Harry W.K. Tom, Obert R. Wood II, Gary D. Aumiller, Thomas J. McIlrath, Jeffrey Bokor, Richard R. Freeman, Jack Sugar, "Soft x-ray pulse length measurement by pump-probe absorption spectroscopy," Proc. SPIE 1860, Short-Pulse High-Intensity Lasers and Applications II, (8 July 1993); https://doi.org/10.1117/12.147568