A high-intensity narrow bandwidth pulsed submillimeter laser for plasma diagnostics

A CH
3
F laser oscillator producing between 0.5 and 1 kW pulses lasting 400 ns and confined to less than 27-MHz bandwidth at 496 μm is the basis of an injection laser assembly which generates up to 250 kW of far-infrared (FIR) output within a bandwidth of 55 MHz.