Flashlamp Calculator | MegaWatt Lasers

Variable Pulse Width Flashlamp Calculator

Estimate flashlamp current, capacitor voltage, delivered energy, lamp loading, and life for a variable-pulse flashlamp circuit.

Electrical Inputs

Capacitor Bank Voltage (V) Capacitance (µF) Desired Pulse Width (µs) Current Rise Time (µs) Repetition Rate (Hz)

Flashlamp Inputs

Arc Length (cm) Bore Diameter (cm) Outside Diameter (cm) Xenon Fill Pressure (torr) Explosion Limit Constant, f(d) (J/cm²) Lifetime Coefficient, B

Calculated Results

Total Energy—

Peak Current—

RMS Current—

Final Voltage—

Voltage Droop—

Lamp K₀—

Explosion Energy—

% Explosion Energy—

Estimated Life—

Current Density—

Average Power—

Wall Loading—

Current vs. Time

Capacitor Voltage vs. Time

Cumulative Energy vs. Time

Model: This web calculator reproduces the equations and 1,000-step numerical simulation used in the supplied MegaWatt Lasers variable pulse-width worksheet. Results are engineering estimates and should be verified against the actual lamp, power supply, cooling configuration, and operating limits.