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Laser Beam Expander Calculator
Calculate output beam diameter and magnification for a beam expander
Instructions: Enter the input beam diameter ($d_{\text{in}}$), input lens focal length ($f_1$), and output lens focal length ($f_2$) to compute the magnification and output beam diameter.
Expander Parameters
Calculation Results
⚠️ For laser physics and optics education reference only. Assumes a Galilean or Keplerian optical beam expander configuration.