Devices, systems, and methods control pulse energies of excimer and other lasers,particularly for refractive correction in which a pulse rate, pulse energy,or other parameters of a pulsed laser is varied during use. A calibration lasermode may be used to fire a series of laser pulses to characterize a correlationbetween laser energy and a laser operation parameter (typically discharge highvoltage) throughout a range. During an operation mode, subsequent voltagesmay be set based on energies of prior pulses while accounting for a curve or changein rate of the correlation.
