| 摘要 |
<p>The dispersion means of the present scanning spectrometer comprises an interference filter or diffraction means to be positioned at a known angle to the optical axis of the input flux to the spectrometer. The spectrometer is provided with shutter means for passing the light to the filter or diffraction means through sequentially spatially varied locations in the shutter means, and with means for receiving and passing light from sequentially varied locations of the shutter means at varying, measurable angles of incidence to the filter or diffraction means. The shutter means may be a liquid crystal cell.</p> |
