Measurements of alignment, straightness, flatness and parallelism
Non-contact measurement - Optical methods (part 2)
Article REF: R1333 V1
Measurements of alignment, straightness, flatness and parallelism
Non-contact measurement - Optical methods (part 2)

Author : Jean‐Louis CHARRON

Publication date: June 10, 2004 | Lire en français

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12. Measurements of alignment, straightness, flatness and parallelism

12.1 Alignment and straightness measurement

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12.1.1 Principle

A laser alignment device is set up (figure 20 ):

  • of a laser source whose directional stability can be improved with a beam expander and focalizer system (figure

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