A Zone Plate Monochromator.

  • YAMASHITA Takuro
    Department of Applied Physics, Faculty of Engineering, Shinshu University
  • HARA Hiroshi
    Department of Applied Physics, Faculty of Engineering, Shinshu University
  • SAWADA Keiji
    Department of Applied Physics, Faculty of Engineering, Shinshu University
  • KOEDA Masaru
    *OE Devices Production Department, Shimadzu Corporation
  • KAWATA Masaru
    *OE Devices Production Department, Shimadzu Corporation

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Other Title
  • ゾーンプレートを用いたモノクロメータ
  • ゾーン プレート オ モチイタ モノクロメータ

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Abstract

Monochromators making use of a Fresnel zone plate and a phase zone plate as the dispersing element were fabricated on trial. The monochromators had a pair of pinholes or optical fibers of 0.01 mm diameter for entrance and exit of light. The properties of the monochromators were examined by investigating the shape of spectra of mercury and cadmium discharge lamps in the visible region taking notice of the effects of central stops on the zone plate. Central stops were effective to reduce wings of spectral lines.

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