Optics: measuring and testing – By dispersed light spectroscopy – With monochromator structure
Reexamination Certificate
2005-02-08
2005-02-08
Smith, Zandra V. (Department: 2877)
Optics: measuring and testing
By dispersed light spectroscopy
With monochromator structure
Reexamination Certificate
active
06853450
ABSTRACT:
A monochromator comprises an optical ray input section which limits the width of optical rays input from a light source, a first concave mirror for converting the optical rays passing through the optical ray input section into parallel rays, a diffraction grating for separating the parallel rays by wavelength into diffracted rays, a second concave mirror for condensing the diffracted rays when the diffracted rays are input, an optical ray output section which limits a wavelength band width of the condensed rays, and a substrate to which the optical ray input section, the first concave mirror, the diffraction grating, the second concave mirror, and the optical ray output section are fixed. A coefficient of linear expansion of a focal length of the first concave mirror, a coefficient of linear expansion of a focal length of the second concave mirror, and a coefficient of linear expansion of a material forming the substrate in the monochromator are approximately the same.
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Iwasaki Takashi
Soeda Tomoichi
Ando Electric Co. Ltd.
Darby & Darby
Smith Zandra V.
Stock, Jr. Gordon J.
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