Pulsed Laser Frequency & Power Calculator
Average power · Pulse energy · Repetition rate · Peak power — with live pulse-train timeline
P_avg = E_p × f
t
P_avg
P_peak
Pulse Parameters (any 2 of 3)
Average power P_avg
= E_p · f
nW
µW
mW
W
kW
MW
Pulse energy E_p
= P_avg / f
fJ
pJ
nJ
µJ
mJ
J
kJ
Repetition rate f
= P_avg / E_p
Hz
kHz
MHz
GHz
Pulse Width (for peak power)
Pulse duration τ
FWHM, must satisfy τ < 1/f
fs
ps
ns
µs
ms
s
Enter any two of P_avg, E_p, f — the third is computed. Then add τ to get peak power.
Peak power P_peak
—
P_peak ≈ E_p / τ
Duty cycle
—
D = τ · f
Period T
—
T = 1 / f
Max pulse width
—
= 1 / f (before overlap)
Laser presets
Q-switched Nd:YAG
10 W · 10 kHz · 10 ns
Ti:Sapphire fs
5 W · 1 MHz · 300 fs
ps fiber laser
20 W · 100 kHz · 10 ps
ns fiber marker
100 W · 50 kHz · 100 ns
LIDAR (eye-safe)
200 mW · 10 Hz · 5 ns
fs oscillator
1 W · 80 MHz · 100 fs