Defocusing, dynamic focusing
Non-contact measurement - Optical methods (part 2)
Article REF: R1333 V1
Defocusing, dynamic focusing
Non-contact measurement - Optical methods (part 2)

Author : Jean‐Louis CHARRON

Publication date: June 10, 2004 | Lire en français

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3. Defocusing, dynamic focusing

3.1 Measuring principle

It is derived from the operating principle of a confocal microscope.

.Schematic diagram of defocusing distance measurement systems
Figure 7...
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