Measurement device for strong laser power density

The utility model relates to a measurement device for strong laser power density includes laser instrument, focusing lens and vacuum cavity in proper order, the vacuum cavity is equipped with intake pipe and vacuum pump, intake -tube connection has gas bomb and nozzle, the nozzle has the polar molecule sport, the vacuum cavity is connected with the soft X -ray camera, the vacuum cavity is equipped with into light window and aluminium membrane, it is relative with the aluminium membrane to advance the light window, just it is adjacent with focusing lens to advance the light window, the aluminium membrane is adjacent with the soft X -ray camera. The utility model discloses strong laser power density's fields such as real -time detection can be be applied to, the blank that traditional laser power density detector can't detect strong laser power density compensatied.