Laser Fundamentals
Rayleigh Length
Distance over which the beam expands from its waist until the spot area doubles.
z_R = π · w₀² / λ
Fill the inputs from a real part
Every number is read from that part's datasheet entry: peak power and pulse energy as rated, pulse width at the part's rated maximum.
Solve for
Inputs
Result
Live diagram
Drawn from the values above, redrawn as you type - the same physical schematic the mini-program shows.