| 摘要 |
<p>An attachment and alignment device 300a is provided for mounting a plurality of components of an optical analysis system. The device 300a comprises a first attachment point for attaching the device at a position enabling optical communication with a measurement volume 301; and a plurality of additional attachment points enabling attachment of a light source unit, a light detection unit or a combination unit. The device 300a includes at least one optical alignment device 330a, such as a beam-splitter, to provide optical alignment through the measurement volume of light that passes along distinct optical paths between a mount mounting the optical alignment device and each of the additional attachment points. The device 300a may comprise a hollow body defining a plurality of partial optical pathways; a plurality of flanges (310a-d, Fig. 3A) at ends of the pathways; and at least one beam splitter or beam splitter holder that is releasably held in the hollow body portion. The device is useful in absorption spectroscopy across a measurement space 301 such as a stack, combustion chamber, duct or pipeline, in such way that the optical paths from the respective light sources to detectors are substantially the same.</p> |
