Journal of The Society of Photographic Science and Technology of Japan
Online ISSN : 1884-5932
Print ISSN : 0369-5662
ISSN-L : 0369-5662
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Volume 75, Issue 4
Displaying 1-4 of 4 articles from this issue
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Special Topics: Guideline for Preservation of Cultural Properties Photography
Exposition
Original Paper
  • Measurement of the Deposited Energy of Tracks of High-Energy Particles Using the Line Density of Latent Image Specks
    Hirotaka Kubota, Ken'ichi Kuge, Nakahiro Yasuda, Satoshi Kodaira, Tosh ...
    2012 Volume 75 Issue 4 Pages 334-339
    Published: 2012
    Released on J-STAGE: August 30, 2013
    DOIhttps://doi.org/10.11454/photogrst.75.334
    JOURNAL FREE ACCESS
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    A new method to obtain the line density of latent image specks (LDLISs) on nuclear emulsion plates has been developed in order to measure the deposited energy of high-energy particles. This is achieved by using techniques incorporating gold deposition developer, ultramicrotomy, and transmission electron microscopy (TEM). A fine and spherical gold particle is formed on each LIS by the developer, and tracks of the particles are observed by TEM, which also records the shape of the tracks. Even though the grain density (GD), i.e., the number of developed silver grains per unit length of track, is saturated at high energies, the LDLISs are not in saturation, so that the observable dynamic range is expanded to more than four times larger than which can be obtained by GDs. The precise measurement of the deposited energy for short tracks by particles with short lifetime is also possible using this method.
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Technical Report
  • Preparation of Transparent Au Nano-rod Array Membrane
    Katsumi Yamada, Yumiko Yamada, Katsushige Sakurai, Tatsuya Matsuzaki, ...
    2012 Volume 75 Issue 4 Pages 340-343
    Published: 2012
    Released on J-STAGE: August 30, 2013
    DOIhttps://doi.org/10.11454/photogrst.75.340
    JOURNAL FREE ACCESS
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    After the electrochemical deposition of Au rods inside the nanopore of the polycarbonate template membrane, zinc-doped indium oxide films were immobilized on the polycarbonate membrane by low temperature RF sputtering. By removing the polycarbonate template with chloroform, Au nano-rod array structures with a high aspect ratio were successfully formed on the conductive and transparent substrate. This configuration allows the illumination and detection of the emission from the backside of the device with the nano-rod arrays, thereby demonstrating plasmon scattering by the Au nano-rod array.
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