It's just a matter of knowing te terminology, 1Mw (megawatt) 1Kw (kilowatt), 1W, (one watt), 1mW (milliwatt), 1uW (nano watt).
When you learn that than you realize the huge mistake you made. To run a 1Mw laser you probably would require of the energy of an electric power plant.
Read my friend, this forum can help you but just if you learn fist. No point in pretending that the users will answer every question like at school. Even at school there is a time for questions, but after the lesson has been explained, and this whole forum is your explanation.