Application Notes
How to Calculate Magnification of Cutting Head?
Author:Sintec Optronics Time:Oct 11, 2017 View:

The laser cutting head magnification M can be calculated from:
 
             M = f(focal unit) / f(collimaton unit) = d(focal diameter) / d(core diameter of fiber) 
 
Focal diameter can be estimated based on above formula:
 
              d(focal diameter) = M * d(core diameter of fiber) 
 
For example, cutting head magnification M=1.5, fiber diameter = 100µm;
 
              d(focal diameter)  = 1.5 * 100 = 150µm

 

Source of pictures:

Laser Technik Journal
 
www.thefabricator.com
 
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