100Hz high repetition frequency and large energy DPL laser

The utility model discloses a 100Hz high repetition frequency and large energy DPL laser, which comprises a local oscillator structure, a secondary amplification structure, a tertiary amplification structure, a light path turn-back device, an integrated circulating water cooling device and a temperature control adjusting system, wherein the local oscillator structure, the secondary amplification structure and the tertiary amplification structure are arranged in a layered manner, and the light path turn-back device, the integrated circulating water cooling device and the temperature control adjusting system are matched with the structures. Wherein the pulse signal generation mechanism and the local oscillator structure are arranged on the upper layer, and the second-stage amplification structure and the third-stage amplification structure are arranged on the lower layer. According to the utility model, two resonant cavities work alternately, one resonant cavity works at 50Hz, alternate output is controlled by