Spectrum & Utilities
Fabry-Perot Etalon
Free spectral range (FSR) and finesse of a Fabry-Perot cavity.
F = π√R / (1-R), FSR = c / 2nL
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.