Gaussian Beam Calculator Junhan Huang Last updated on Feb 18, 2026 Gaussian Beam Calculator Input Focal length \( F \): mm Object distance \( l \): mm Input beam radius \( w_0 \): mmμm Wavelength \( \lambda \): nmμm Result Output beam radius \( w'_0 \): mmμm Image distance \( l' \): mm Junhan Huang Graduate Student Ultrafast & Condensed Matter Physics
