Jon E. Sollid
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View article: Intensity-induced absorption in ZnSe
Intensity-induced absorption in ZnSe Open
In a particular sample of ZnSe, working at 10 ..mu..m, a nonlinear absorption was observed that was generated by light intensities greater than 100 MW/cm/sup 2/. This absorption was subsequently bleached by light intensities over 600 MW/cm…
View article: First direct observation of FEL (free-electron laser) lasing from. lambda. = 20 to 45. mu. m
First direct observation of FEL (free-electron laser) lasing from. lambda. = 20 to 45. mu. m Open
In recent experiments at Los Alamos, we directly observed for the first time free-electron laser (FEL) fundamental wavelengths from 20 to 45{mu}m. Our 1988 facility's demonstrated wavelength span now extends from 9 to 45{mu}m. Upgrades are…
View article: Strains in a cantilever plate obtained from second derivatives of holographically measured mode shapes
Strains in a cantilever plate obtained from second derivatives of holographically measured mode shapes Open
Reliable derivatives up to second order over a surface are obtained from holographic interferograms. This is done on a large scale, handling an amount of data that would be prohibitive if attempted by hand smoothing. This opens the way for…