> Most places where there are surveillance cameras are places where there are also people

I assume you're concerned about reflections from the camera lens or housing? In my mind, the archetypal camera is mounted on a nice tall pole, silhouetted against open sky, and painted matte black.

> watt class lasers

Surely those would be excessive for someone attacking the sensor, unless they want to remotely sear some graffiti by burning away paint.