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

Yoshinori Iketaki; Tsutomu Watanabe

doi:10.1117/12.211911

15 June 1995 Study of x-ray microscopy using UV and x-ray double-resonance absorption

Yoshinori Iketaki, Tsutomu Watanabe

Author Affiliations +

Proceedings Volume 2519, X-Ray and Ultraviolet Sensors and Applications; (1995) https://doi.org/10.1117/12.211911
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

We studied the UV and x-ray double-resonance absorption process in the case of 1 micrometers tryptohan. By adopting a three-state model for ultra-violet (UV) absorption we could calculate the excited molecular density. We also calculated the x-ray transmittance dependence on the UV-laser photon flux using x-ray absorption cross section obtained by a calculation based on the atomic Hartree-Slater method. We found that strong x-ray absorption occurs in the UV region with a photon flux of approximately 10²⁵ photons/cm²/sec. Furthermore, we considered the feasibility of x-ray microscopy using double-resonance absorption. It is expected that only the images of selected molecules can be obtained with a good S/N.

Citation Download Citation

Yoshinori Iketaki and Tsutomu Watanabe "Study of x-ray microscopy using UV and x-ray double-resonance absorption", Proc. SPIE 2519, X-Ray and Ultraviolet Sensors and Applications, (15 June 1995); https://doi.org/10.1117/12.211911

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