| 摘要 |
This compact monochromator employs two concave collimating mirrors of different sizes mounted off-axis adjacent one another edge-to-edge in such a manner that the central ray of the larger dispersed light collimating mirror makes a larger acute angle relatively to the entrance face of the dispersing prism array than the central ray of the incident-light collimating mirror makes thereto. This insures that the collimating mirrors cover the full aperture of the dispersing prism array yet at the same time obtains the most compact monochromator housing. Incident light from a light source is transmitted through an entrance slit at one side of the monochromator and reflected by an incident-light reflector to the smaller incident-light collimating mirror, whereas dispersed light from the larger dispersed-light collimating mirror is reflected by a dispersed-light reflector through an exit slit at the opposite side of the monochromator.
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