I have a Coherent LaserCheck, Handheld Power Meter.
It can measure from 0.5 microWatts to 10 mW with it's native Silicon Cell Sensor, and it has a built in 1mm-thick NG-10 Attenuator that extends it's range up to 1 Watt.
How can I use it to measure laser power greater than 1 Watt?
I'm...
I have a 100mw green laser and when I point it at the sky the beam 'stops' abruptly.
Whichever way I point it, unless it hits something like a tree or a powerline, but just pointing it in the empty sky it appears to 'stop'.
And always the same distance away. What causes this effect? It's as...