How to use this tool
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
Calculation method
Diameter magnification
f2/f1Output beam diameter
input*f2/f1Laser Beam Expander Calculator
Magnitude of ideal two-lens afocal expansion ratio; aberrations excluded.
Magnitude of ideal two-lens afocal expansion ratio; aberrations excluded.
Result
Enter your values and run the tool to see your result.