What is the measuring principle of confocalDT?

The confocal chromatic measuring principle Polychromatic white light is focused onto the target surface by a multi-lens optical system. The lenses are arranged so that the white light is dispersed into monochromatic wavelengths by controlled chromatic aberration. To each wavelength, a specific distance is assigned by factory calibration. Only the wavelength which is exactly focused on the target is used for the measurement. An optical arrangement images the light reflected onto a light sensitive sensor element, on which the corresponding spectral color is detected and evaluated. In the case of multi-peak measurements, several distance points are evaluated accordingly.

 
 

Extremely large tilt angle

 

Dynamic measurement tasks

 

Ready for vacuum

   
         
 Tilt angle up to 48°
 
 
 Highest measuring rate in the world
 
 
 Sensor designed from passive components
 Stable signals with curved & structured surfaces    Dynamic exposure control for highest measurement accuracy    Vacuum-suitable sensors, cables and accessories
         

Smallest light spot

 

Ultra-small sensors

 

Thickness calibration

         
   
         
 Highlateral resolution
 
 
 Detection of smallest details (e.g. IC pins on PCBs)
 
 Sensors with a diameter from 4 mm for restricted installation space
 
 90° models reduce the installation depth again
 
 Highest measurement accuracy
due to stored target materials (refraction index)
 
 
 

Multi-layer thickness measurement

 

Signal with thickness measurement           

 

Signal with multi-layer thickness measurements (max. 6 peaks)

 
  •  Thickness measurement of transparent materials in the micron range
  •  Measuring up to 5 layers with just one sensor
 

Easy configuration via web interface

 
 
 
 

 


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