Study of x-ray microscopy using ultraviolet and x-ray double-resonance absorption

Yoshinori Iketaki; Tsutomu Watanabe

doi:10.1117/1.600815

1 August 1996 Study of x-ray microscopy using ultraviolet and x-ray double-resonance absorption

Yoshinori Iketaki; Tsutomu Watanabe

Author Affiliations +

Optical Engineering, 35(8), (1996). https://doi.org/10.1117/1.600815

Abstract

The UV-and-x-ray double-resonance absorption process in 1 mm tryptophan grains was studied. The excited molecular density can be obtained by the use of a three-state model for UV absorption. The dependence of the x-ray transmittance on the UV-laser photon flux using was investigated using the x-ray absorption cross sections obtained by a calculation based on the atomic Hartree-Slater method. It was found that x-ray absorption is increased markedly by the use of a 5-ns UV pulse with a peak photon flux of ~1025 photons cm-2 s-1. Furthermore, the feasibility of x-ray microscopy using double-resonance absorption is considered. It is expected that the images of particular molecules can be obtained selectively with a good signal-to-noise ratio.

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Yoshinori Iketaki, Yoshinori Iketaki, Tsutomu Watanabe, Tsutomu Watanabe, } "Study of x-ray microscopy using ultraviolet and x-ray double-resonance absorption," Optical Engineering 35(8), (1 August 1996). https://doi.org/10.1117/1.600815 . Submission:

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