There's an interesting demonstration of this on Youtube: "The Worlds Blackest Black vs The Worlds Brightest Flashlight (32,000 lumen)—Which Will Win?" https:/

There's an interesting demonstration of this on Youtube: "The Worlds Blackest Black vs The Worlds Brightest Flashlight (32,000 lumen)—Which Will Win?" https://www.youtube.com/watch?v=AaFdCvnV8PM https://www.youtube.com/watch?v=AaFdCvnV8PM To summarize, the flashlight wins, and it's reasonable to expect the effect would be the same with a laser and sensitive detection equipment.