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laser
gaussian or embedded gaussian beam


depth of focus of a gaussian beam


Caution
Fill in all input cells.
Choose all parameters unit.
All parameters are strictly positive.

InputValueunit
wo
r
lam
OutputValueUnit
dzto be calculated
depth of focus of a gaussian beam
wo : waist radius r : maximum beam radius authorized lam : wavelength dz : depth of focus (maximum length of the beam portion in which beam radius is smaller than r )

Note
This calculation page can not detect all unrealistic inputs.



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