Laser Focal Spot Size Calculator

Use this calculator to get the size and location of your Gaussian laser beam waist at focus, as well as the Rayleigh range.

Also try our Laser Focusability Calculator for a simpler calculator version.

Notes:

  1. Some of the input parameters are mutually dependent and the software will calculate them automatically when possible. A calculated parameter will be locked for editing. If you wish to unlock it, you must erase the value entered which caused it to be locked. Example: Fields A and B are mutually dependent. You enter a value in A and B is calculated and locked. You wish now to edit B. You must first delete A, upon which B will be erased an unlocked.
  2. This calculator uses Sidney Self’s equations for focusing spherical Gaussian beams.
  3. Want to measure the actual beam size? Try a BeamTrack Power/Position/Size sensor, or a full-fledged beam profiler for a complete picture of your laser beam.

Laserparameter

  Passen Sie Ihre obigen Parameter an und wählen Sie nochmal 'Berechnen', um die Ergebnisse zu verfeinern.

Ergebnisse berechnen

zᵣ Rayleigh Länge
:
mm
s" Entfernung von der Linse zur "neuen" Taille
:
mm
d₀" Neuer Durchmesser der Strahltaille (nach der Linse)
:
mm
zᵣ" Neue Rayleigh Länge
:
mm

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