| 摘要 |
A system for orthogonal alignment of a specimen disclosed. The system includes a light-beam illumination source, collection optics, imaging optics, and a tiltable specimen holder. The light-beam source is activated to illuminate a spot on the specimen, and the imaging optics is used image that spot. The location of the spot on the imager is used to determine whether the specimen is orthogonal to the optical axis of the collection optics.
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